🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 143 (from laksa128)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa143.int.ahrefs:8124/' \
  -H 'Content-Type: text/plain' \
  -H 'X-ClickHouse-Database: crawler3' \
  -H 'Authorization: Basic YXBpOg==' \
  -d 'SELECT getAhrefsURLFromUnparsed(src_unparsed) AS found_url, ifNull(toUnixTimestamp(download_stamp), 0) AS crawl_time, ifNull(toUnixTimestamp(props_url_first_seen), 0) AS first_indexed_time, download_http_code AS http_code, src_unparsed AS src_unparsed, src_root_hash AS src_root_hash, history_drop_reason AS history_drop_reason, meta_title AS meta_title, meta_descriptions AS meta_descriptions, attrs_boilerpipe_text AS attrs_boilerpipe_text, attrs_markdown AS attrs_markdown, attrs_readable_markdown AS attrs_readable_markdown, meta_canonical AS meta_canonical, ml_categories_json AS ml_categories_json, ml_types_json AS ml_types_json, ml_intent_types_json AS ml_intent_types_json, meta_language AS meta_language, attrs_author AS attrs_author, ifNull(toUnixTimestamp(attrs_publish_time), 0) AS attrs_publish_time, ifNull(toUnixTimestamp(attrs_original_publish_time), 0) AS attrs_original_publish_time, ifNull(attrs_is_republished, 0) AS attrs_is_republished, ifNull(attrs_nr_words, 0) AS attrs_nr_words, ifNull(attrs_boilerpipe_nr_words, 0) AS attrs_boilerpipe_nr_words, ifNull(body_ext_links_number, 0) AS body_ext_links_number, ifNull(body_int_links_number, 0) AS body_int_links_number, ifNull(meta_nofollow, 0) AS meta_nofollow, ifNull(meta_noarchive, 0) AS meta_noarchive, ifNull(props_was_rendered, 0) AS props_was_rendered, ifNull(src_redirect, \'\') AS src_redirect, ifNull(download_time_msec, 0) AS download_time_msec, ifNull(download_ttfb_msec, 0) AS download_ttfb_msec, ifNull(download_size, 0) AS download_size FROM crawler3.page_info_local FINAL PREWHERE (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://dermnetnz.org/topics/skin-problems-on-the-arms\')), getAhrefsUnparsedNoserviceFromURL(\'https://dermnetnz.org/topics/skin-problems-on-the-arms\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/dermnetnz.org\/topics\/skin-problems-on-the-arms","crawl_time":1769944282,"first_indexed_time":1575853515,"http_code":200,"src_unparsed":"org,dermnetnz!\/topics\/skin-problems-on-the-arms s443","src_root_hash":"6258778422224653543","history_drop_reason":null,"meta_title":"Skin problems on the arms","meta_descriptions":["Skin problems on the arms. Authoritative facts about the skin from DermNet New Zealand Trust."],"attrs_boilerpipe_text":"Skin problems on the arms — extra information\nCategories:\nInflammation\nICD-10:\nL70.9, L55.9, L50, W57, BO2.9, L01.0, B56, L23, L20, L30.0, L85.8, L40, L92.0, L80, L81.9\nICD-11:\nEJ40, ED80.Z, EB05, EK50.0, 1E91.Z, 1B72.Z, 1G04, EK00.Z, ED63.0, EA80, ED60.2, EA82, EA80.0, ED56, EA90.Z\nSNOMED CT:\n403194002, 126485001, 11381005, 287112003, 4740000, 48277006, 128869009, 238575004, 81418003, 5132005, 65508009, 9013002, 24079001, 95348005, 56727007\nArms: erythema without surface change\nArms: red papules\/pustules\nArms: erosions\/crusting\nArms: dry\/scaly and very itchy\nArms: dry and scaly with minimal itch\nArms: multiple skin coloured papules\nPigmentary changes\nLinks to pages about skin conditions that favour the arms.\nErythema\nRed papules\/pustules\nErosions, crusting\nDry scaly and itchy\nDry scaly but not very itchy\nSkin coloured papules\nPigmentary changes\nArms: erythema without surface change\nErythema\nis less pronounced in dark skin.\nSunburn\nSun-exposed site\nPainful\nConsider\nphototoxic\ndrugs\nUrticaria\nWeals\ncan arise on any site\nSpontaneous and\ninducible\ntypes\nArms: red papules\/pustules\nAcne vulgaris\nUpper trunk\nOpen and closed\ncomedones\nNodules\n+\ncysts\nif severe\nInsect bites\nCrops of\ngrouped\nitchy\npapules\nCentral\npunctum\nMay blister\nLichen planus\nInside wrists\nFirm,\nviolaceous\npapules + white streaks\nFavours areas of earlier injury\nAlso examine mouth, lower back, lower legs\nArms: erosions\/crusting\nHerpes zoster\nDermatomal\nPainful\nErythema may precede\nvesicles\nCulture\n\/\nPCR\n: Herpes varicella zoster\nImpetigo\nIrregular enlarging\nplaque\nHoney-coloured crusts\nCulture:\nStaphylococcus aureus\n+\/-\nStreptococcus pyogenes\nScabies\nrash\nBurrows\nbetween fingers, wrists\nNodules in\naxillae\n, groin\nIntense itch, especially at night\nDermatoscopy\nof\nburrow\nreveals\nmite\nArms: dry\/scaly and very itchy\nMay also blister, swell.\nAllergic contact dermatitis\nAcute\nflares on any site\nAsymmetrical\n, odd-shaped patches\/\nplaques\nPatch tests\npositive\nAtopic dermatitis\nPatchy or\ndiffuse\nAcute flares are\nerythematous\nChronic\neczema\nis\nlichenified\nNummular dermatitis\nCoin-shaped plaques\nConsider\nautoeczematisation\nfrom other site\nArms: dry and scaly with minimal itch\nKeratosis pilaris\nFollicular\npapules\nExtensor\nupper arms\nPsoriasis\nRoughly\nsymmetrical\ndistribution\nExtensor elbows\nWell-\ncircumscribed\nerythematous\nscaly\nplaques\nVariable itch\nArms: multiple skin coloured papules\nGranuloma annulare\nExtensor elbows,\ndorsum\nof hands and fingers\nArranged in rings\nPigmentary changes\nPigmentation\nis more pronounced in dark skin.\nPostinflammatory pigmentation\nPreceding eczema, psoriasis, acne etc\nDistribution depends on cause\nVitiligo\nMost often\nvolar\nwrists\nWhite, smooth surface\nSee also\npigmentary disorders\nOther recommended articles","attrs_markdown":"[![DermNet](https:\/\/dermnetnz.org\/topics\/_resources\/themes\/mercury\/dist\/images\/svg\/logo-white-tm.svg)](https:\/\/dermnetnz.org\/ \"DermNet\")\n\nAre you a healthcare professional\n\n[GO TO DERMNET PRO](https:\/\/pro.dermnetnz.org\/)\n\n[Home](https:\/\/dermnetnz.org\/)\n\n[Topics A-Z](https:\/\/dermnetnz.org\/topics)\n\n[Images](https:\/\/dermnetnz.org\/images)\n\n[Cases](https:\/\/dermnetnz.org\/cases)\n\n[Skin checker](https:\/\/dermnetnz.org\/dermdiag)\n\n[Give feedback](https:\/\/dermnetnz.org\/contact-us\/website-feedback)\n\nMain menu\n***\n\n[Home](https:\/\/dermnetnz.org\/)\n\n[Topics A-Z](https:\/\/dermnetnz.org\/topics)\n\n[Images](https:\/\/dermnetnz.org\/images)\n\n[Cases](https:\/\/dermnetnz.org\/cases)\n\n[Skin checker](https:\/\/dermnetnz.org\/dermdiag)\n\n[Give feedback](https:\/\/dermnetnz.org\/contact-us\/website-feedback)\n\nCommon skin conditions\n***\n\n[Acne](https:\/\/dermnetnz.org\/topics\/acne) [Athlete's foot](https:\/\/dermnetnz.org\/topics\/athletes-foot) [Cellulitis](https:\/\/dermnetnz.org\/topics\/cellulitis) [Cold sores](https:\/\/dermnetnz.org\/topics\/herpes-simplex) [Dermatitis\/Eczema](https:\/\/dermnetnz.org\/topics\/dermatitis) [Heat rash](https:\/\/dermnetnz.org\/topics\/miliaria) [Hives](https:\/\/dermnetnz.org\/topics\/urticaria-an-overview)  [Impetigo](https:\/\/dermnetnz.org\/topics\/impetigo) [Psoriasis](https:\/\/dermnetnz.org\/topics\/psoriasis) [Ringworm](https:\/\/dermnetnz.org\/topics\/tinea-corporis) [Rosacea](https:\/\/dermnetnz.org\/topics\/rosacea) [Seborrhoeic dermatitis](https:\/\/dermnetnz.org\/topics\/seborrhoeic-dermatitis) [Shingles](https:\/\/dermnetnz.org\/topics\/herpes-zoster) [Vitiligo](https:\/\/dermnetnz.org\/topics\/topics\/vitiligo)\n\n[![](https:\/\/dermnetnz.org\/assets\/images\/home-page-pro-waitlist.webp) **NEWS** **Join DermNet PRO** Read more](https:\/\/pro.dermnetnz.org\/)\n\nQuick links\n***\n\n[![](https:\/\/dermnetnz.org\/assets\/svg\/white-magnifying-glass.svg) Skin checker Try our skin symptom checker](https:\/\/dermnetnz.org\/dermdiag)\n\n[Home](https:\/\/dermnetnz.org\/ \"Home\")\n\n![divider](https:\/\/dermnetnz.org\/topics\/_resources\/themes\/mercury\/dist\/images\/svg\/divider.svg)\n\n[Topics A-Z](https:\/\/dermnetnz.org\/topics)\n\n![divider](https:\/\/dermnetnz.org\/topics\/_resources\/themes\/mercury\/dist\/images\/svg\/divider.svg)\n\n[Skin problems on the arms](https:\/\/dermnetnz.org\/topics\/skin-problems-on-the-arms)\n\n[![toggle glossary](https:\/\/dermnetnz.org\/topics\/_resources\/themes\/mercury\/dist\/images\/svg\/glossary.svg)](https:\/\/dermnetnz.org\/topics\/skin-problems-on-the-arms \"Toggle glossary items\")   [![topic information](https:\/\/dermnetnz.org\/topics\/_resources\/themes\/mercury\/dist\/images\/svg\/information.svg)](https:\/\/dermnetnz.org\/topics\/skin-problems-on-the-arms \"View topic information\")   [![print](https:\/\/dermnetnz.org\/topics\/_resources\/themes\/mercury\/dist\/images\/svg\/print.svg)](https:\/\/dermnetnz.org\/topics\/skin-problems-on-the-arms \"Print this page\")\n\n##### Skin problems on the arms — extra information\nCategories:\n\nInflammation\n\nICD-10:\n\nL70.9, L55.9, L50, W57, BO2.9, L01.0, B56, L23, L20, L30.0, L85.8, L40, L92.0, L80, L81.9\n\nICD-11:\n\nEJ40, ED80.Z, EB05, EK50.0, 1E91.Z, 1B72.Z, 1G04, EK00.Z, ED63.0, EA80, ED60.2, EA82, EA80.0, ED56, EA90.Z\n\nSNOMED CT:\n\n403194002, 126485001, 11381005, 287112003, 4740000, 48277006, 128869009, 238575004, 81418003, 5132005, 65508009, 9013002, 24079001, 95348005, 56727007\n\nADVERTISEMENT\n\n**[Inflammation](https:\/\/dermnetnz.org\/topics\/topics?category=Inflammation)**\n\n# **Skin problems on the arms**\nAuthor: Hon Assoc Prof Amanda Oakley, Dermatologist, Hamilton, New Zealand, September 2015.\n\n[Arms: erythema without surface change](https:\/\/dermnetnz.org\/topics\/skin-problems-on-the-arms#Arms:%20erythema%20without%20surface%20change) [Arms: red papules\/pustules](https:\/\/dermnetnz.org\/topics\/skin-problems-on-the-arms#Arms:%20red%20papules\/pustules) [Arms: erosions\/crusting](https:\/\/dermnetnz.org\/topics\/skin-problems-on-the-arms#Arms:%20erosions\/crusting) [Arms: dry\/scaly and very itchy](https:\/\/dermnetnz.org\/topics\/skin-problems-on-the-arms#Arms:%20dry\/scaly%20and%20very%20itchy) [Arms: dry and scaly with minimal itch](https:\/\/dermnetnz.org\/topics\/skin-problems-on-the-arms#Arms:%20dry%20and%20scaly%20with%20minimal%20itch) [Arms: multiple skin coloured papules](https:\/\/dermnetnz.org\/topics\/skin-problems-on-the-arms#Arms:%20multiple%20skin%20coloured%20papules) [Pigmentary changes](https:\/\/dermnetnz.org\/topics\/skin-problems-on-the-arms#Pigmentary%20changes)\n\nLinks to pages about skin conditions that favour the arms.\n\n- [Erythema](https:\/\/dermnetnz.org\/topics\/skin-problems-on-the-arms#e)\n- [Red papules\/pustules](https:\/\/dermnetnz.org\/topics\/skin-problems-on-the-arms#rp)\n- [Erosions, crusting](https:\/\/dermnetnz.org\/topics\/skin-problems-on-the-arms#ec)\n- [Dry scaly and itchy](https:\/\/dermnetnz.org\/topics\/skin-problems-on-the-arms#dsi)\n- [Dry scaly but not very itchy](https:\/\/dermnetnz.org\/topics\/skin-problems-on-the-arms#ds)\n- [Skin coloured papules](https:\/\/dermnetnz.org\/topics\/skin-problems-on-the-arms#scp)\n- [Pigmentary changes](https:\/\/dermnetnz.org\/topics\/skin-problems-on-the-arms#pc)\n## Arms: erythema without surface change\nErythema is less pronounced in dark skin.\n\n[Sunburn](https:\/\/dermnetnz.org\/topics\/sunburn)\n\n- Sun-exposed site\n- Painful\n- Consider phototoxic drugs\n\n[Urticaria](https:\/\/dermnetnz.org\/topics\/urticaria-an-overview)\n\n- Weals can arise on any site\n- Spontaneous and inducible types\n## Arms: red papules\/pustules\n[Acne vulgaris](https:\/\/dermnetnz.org\/topics\/acne-vulgaris)\n\n- Upper trunk\n- Open and closed comedones\n- Nodules + cysts if severe\n\n[Insect bites](https:\/\/dermnetnz.org\/topics\/arthropod-bites-and-stings)\n\n- Crops of grouped itchy papules\n- Central punctum\n- May blister\n\n[Lichen planus](https:\/\/dermnetnz.org\/topics\/lichen-planus)\n\n- Inside wrists\n- Firm, violaceous papules + white streaks\n- Favours areas of earlier injury\n- Also examine mouth, lower back, lower legs\n## Arms: erosions\/crusting\n[Herpes zoster](https:\/\/dermnetnz.org\/topics\/herpes-zoster)\n\n- Dermatomal\n- Painful\n- Erythema may precede vesicles\n- Culture\/PCR: Herpes varicella zoster\n\n[Impetigo](https:\/\/dermnetnz.org\/topics\/impetigo)\n\n- Irregular enlarging plaque\n- Honey-coloured crusts\n- Culture: [Staphylococcus aureus](https:\/\/dermnetnz.org\/topics\/staphylococcal-skin-infection) +\/- [Streptococcus pyogenes](https:\/\/dermnetnz.org\/topics\/streptococcal-skin-infections)\n\n[Scabies](https:\/\/dermnetnz.org\/topics\/scabies) rash\n\n- Burrows between fingers, wrists\n- Nodules in axillae, groin\n- Intense itch, especially at night\n- [Dermatoscopy](https:\/\/dermnetnz.org\/topics\/dermoscopy) of burrow reveals mite\n## Arms: dry\/scaly and very itchy\nMay also blister, swell.\n\n[Allergic contact dermatitis](https:\/\/dermnetnz.org\/topics\/allergic-contact-dermatitis)\n\n- Acute flares on any site\n- Asymmetrical, odd-shaped patches\/plaques\n- [Patch tests](https:\/\/dermnetnz.org\/topics\/patch-tests) positive\n\n[Atopic dermatitis](https:\/\/dermnetnz.org\/topics\/atopic-dermatitis)\n\n- Patchy or diffuse\n- Acute flares are erythematous\n- Chronic eczema is lichenified\n\n[Nummular dermatitis](https:\/\/dermnetnz.org\/topics\/discoid-eczema)\n\n- Coin-shaped plaques\n- Consider [autoeczematisation](https:\/\/dermnetnz.org\/topics\/disseminated-secondary-eczema) from other site\n## Arms: dry and scaly with minimal itch\n[Keratosis pilaris](https:\/\/dermnetnz.org\/topics\/keratosis-pilaris)\n\n- Follicular papules\n- Extensor upper arms\n\n[Psoriasis](https:\/\/dermnetnz.org\/topics\/psoriasis)\n\n- Roughly symmetrical distribution\n- Extensor elbows\n- Well-circumscribed erythematous scaly plaques\n- Variable itch\n## Arms: multiple skin coloured papules\n[Granuloma annulare](https:\/\/dermnetnz.org\/topics\/granuloma-annulare)\n\n- Extensor elbows, dorsum of hands and fingers\n- Arranged in rings\n## Pigmentary changes\nPigmentation is more pronounced in dark skin.\n\n[Postinflammatory pigmentation](https:\/\/dermnetnz.org\/topics\/postinflammatory-hyperpigmentation)\n\n- Preceding eczema, psoriasis, acne etc\n- Distribution depends on cause\n\n[Vitiligo](https:\/\/dermnetnz.org\/topics\/vitiligo)\n\n- Most often volar wrists\n- White, smooth surface\n\nSee also [pigmentary disorders](https:\/\/dermnetnz.org\/topics\/skin-pigmentation-problems)\n\nADVERTISEMENT\n\n### Books about skin diseases\n- [Books about the skin](https:\/\/dermnetnz.org\/topics\/books-about-the-skin\/)\n- [*Dermatology Made Easy* - second edition](https:\/\/www.amazon.com\/Dermatology-Made-second-Amanda-Oakley-dp-1914961161\/dp\/1914961161\/ref=dp_ob_title_bk?&_encoding=UTF8&tag=nzdermnet-20&linkCode=ur2&linkId=2addc7901a76f7726fa42eeeea7a28ea&camp=1789&creative=9325)\n\nADVERTISEMENT\n\n### Other recommended articles\n![close](https:\/\/dermnetnz.org\/topics\/_resources\/themes\/mercury\/dist\/images\/svg\/close.svg)\n\nADVERTISEMENT\n\nADVERTISEMENT\n\nADVERTISEMENT\n\nADVERTISEMENT\n\nDo Not Sell or Share My Personal Information\n\nDo Not Sell or Share My Personal Information\n\n## Join our newsletter\n**RESOURCES**\n\n[Skin checker](https:\/\/dermnetnz.org\/dermdiag)  \n [PO-PASI scoring](https:\/\/dermnetnz.org\/resources\/psoriasis-po-pasi)  \n [AI image 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DermNet® 2026\n\n[![Social link facebook](https:\/\/dermnetnz.org\/topics\/_resources\/themes\/mercury\/dist\/images\/svg\/footer-facebook.svg)](https:\/\/www.facebook.com\/dermnetnz\/)   [![Social link instagram](https:\/\/dermnetnz.org\/topics\/_resources\/themes\/mercury\/dist\/images\/svg\/footer-instagram.svg)](https:\/\/www.instagram.com\/dermnet)   [![Social link x](https:\/\/dermnetnz.org\/topics\/_resources\/themes\/mercury\/dist\/images\/svg\/footer-x.svg)](https:\/\/twitter.com\/dermnetnz)\n\n**IMPORTANT NOTICE:** DermNet does not provide a free online consultation service. If you have any concerns with your skin or its treatment, see a dermatologist for advice.","attrs_readable_markdown":"[![DermNet](https:\/\/dermnetnz.org\/_resources\/themes\/mercury\/dist\/images\/svg\/logo-white-tm.svg)](https:\/\/dermnetnz.org\/ \"DermNet\")\n\nSkin problems on the arms — extra information\n\nCategories:\n\nInflammation\n\nICD-10:\n\nL70.9, L55.9, L50, W57, BO2.9, L01.0, B56, L23, L20, L30.0, L85.8, L40, L92.0, L80, L81.9\n\nICD-11:\n\nEJ40, ED80.Z, EB05, EK50.0, 1E91.Z, 1B72.Z, 1G04, EK00.Z, ED63.0, EA80, ED60.2, EA82, EA80.0, ED56, EA90.Z\n\nSNOMED CT:\n\n403194002, 126485001, 11381005, 287112003, 4740000, 48277006, 128869009, 238575004, 81418003, 5132005, 65508009, 9013002, 24079001, 95348005, 56727007\n\n[Arms: erythema without surface change](https:\/\/dermnetnz.org\/topics\/skin-problems-on-the-arms#Arms:%20erythema%20without%20surface%20change) [Arms: red papules\/pustules](https:\/\/dermnetnz.org\/topics\/skin-problems-on-the-arms#Arms:%20red%20papules\/pustules) [Arms: erosions\/crusting](https:\/\/dermnetnz.org\/topics\/skin-problems-on-the-arms#Arms:%20erosions\/crusting) [Arms: dry\/scaly and very itchy](https:\/\/dermnetnz.org\/topics\/skin-problems-on-the-arms#Arms:%20dry\/scaly%20and%20very%20itchy) [Arms: dry and scaly with minimal itch](https:\/\/dermnetnz.org\/topics\/skin-problems-on-the-arms#Arms:%20dry%20and%20scaly%20with%20minimal%20itch) [Arms: multiple skin coloured papules](https:\/\/dermnetnz.org\/topics\/skin-problems-on-the-arms#Arms:%20multiple%20skin%20coloured%20papules) [Pigmentary changes](https:\/\/dermnetnz.org\/topics\/skin-problems-on-the-arms#Pigmentary%20changes)\n\nLinks to pages about skin conditions that favour the arms.\n\n- [Erythema](https:\/\/dermnetnz.org\/topics\/skin-problems-on-the-arms#e)\n- [Red papules\/pustules](https:\/\/dermnetnz.org\/topics\/skin-problems-on-the-arms#rp)\n- [Erosions, crusting](https:\/\/dermnetnz.org\/topics\/skin-problems-on-the-arms#ec)\n- [Dry scaly and itchy](https:\/\/dermnetnz.org\/topics\/skin-problems-on-the-arms#dsi)\n- [Dry scaly but not very itchy](https:\/\/dermnetnz.org\/topics\/skin-problems-on-the-arms#ds)\n- [Skin coloured papules](https:\/\/dermnetnz.org\/topics\/skin-problems-on-the-arms#scp)\n- [Pigmentary changes](https:\/\/dermnetnz.org\/topics\/skin-problems-on-the-arms#pc)\n## Arms: erythema without surface change\nErythema is less pronounced in dark skin.\n\n[Sunburn](https:\/\/dermnetnz.org\/topics\/sunburn)\n\n- Sun-exposed site\n- Painful\n- Consider phototoxic drugs\n\n[Urticaria](https:\/\/dermnetnz.org\/topics\/urticaria-an-overview)\n\n- Weals can arise on any site\n- Spontaneous and inducible types\n## Arms: red papules\/pustules\n[Acne vulgaris](https:\/\/dermnetnz.org\/topics\/acne-vulgaris)\n\n- Upper trunk\n- Open and closed comedones\n- Nodules + cysts if severe\n\n[Insect bites](https:\/\/dermnetnz.org\/topics\/arthropod-bites-and-stings)\n\n- Crops of grouped itchy papules\n- Central punctum\n- May blister\n\n[Lichen planus](https:\/\/dermnetnz.org\/topics\/lichen-planus)\n\n- Inside wrists\n- Firm, violaceous papules + white streaks\n- Favours areas of earlier injury\n- Also examine mouth, lower back, lower legs\n## Arms: erosions\/crusting\n[Herpes zoster](https:\/\/dermnetnz.org\/topics\/herpes-zoster)\n\n- Dermatomal\n- Painful\n- Erythema may precede vesicles\n- Culture\/PCR: Herpes varicella zoster\n\n[Impetigo](https:\/\/dermnetnz.org\/topics\/impetigo)\n\n- Irregular enlarging plaque\n- Honey-coloured crusts\n- Culture: [Staphylococcus aureus](https:\/\/dermnetnz.org\/topics\/staphylococcal-skin-infection) +\/- [Streptococcus pyogenes](https:\/\/dermnetnz.org\/topics\/streptococcal-skin-infections)\n\n[Scabies](https:\/\/dermnetnz.org\/topics\/scabies) rash\n\n- Burrows between fingers, wrists\n- Nodules in axillae, groin\n- Intense itch, especially at night\n- [Dermatoscopy](https:\/\/dermnetnz.org\/topics\/dermoscopy) of burrow reveals mite\n## Arms: dry\/scaly and very itchy\nMay also blister, swell.\n\n[Allergic contact dermatitis](https:\/\/dermnetnz.org\/topics\/allergic-contact-dermatitis)\n\n- Acute flares on any site\n- Asymmetrical, odd-shaped patches\/plaques\n- [Patch tests](https:\/\/dermnetnz.org\/topics\/patch-tests) positive\n\n[Atopic dermatitis](https:\/\/dermnetnz.org\/topics\/atopic-dermatitis)\n\n- Patchy or diffuse\n- Acute flares are erythematous\n- Chronic eczema is lichenified\n\n[Nummular dermatitis](https:\/\/dermnetnz.org\/topics\/discoid-eczema)\n\n- Coin-shaped plaques\n- Consider [autoeczematisation](https:\/\/dermnetnz.org\/topics\/disseminated-secondary-eczema) from other site\n## Arms: dry and scaly with minimal itch\n[Keratosis pilaris](https:\/\/dermnetnz.org\/topics\/keratosis-pilaris)\n\n- Follicular papules\n- Extensor upper arms\n\n[Psoriasis](https:\/\/dermnetnz.org\/topics\/psoriasis)\n\n- Roughly symmetrical distribution\n- Extensor elbows\n- Well-circumscribed erythematous scaly plaques\n- Variable itch\n## Arms: multiple skin coloured papules\n[Granuloma annulare](https:\/\/dermnetnz.org\/topics\/granuloma-annulare)\n\n- Extensor elbows, dorsum of hands and fingers\n- Arranged in rings\n## Pigmentary changes\nPigmentation is more pronounced in dark skin.\n\n[Postinflammatory pigmentation](https:\/\/dermnetnz.org\/topics\/postinflammatory-hyperpigmentation)\n\n- Preceding eczema, psoriasis, acne etc\n- Distribution depends on cause\n\n[Vitiligo](https:\/\/dermnetnz.org\/topics\/vitiligo)\n\n- Most often volar wrists\n- White, smooth surface\n\nSee also [pigmentary disorders](https:\/\/dermnetnz.org\/topics\/skin-pigmentation-problems)\n\nOther recommended 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URL	https://dermnetnz.org/topics/skin-problems-on-the-arms
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Meta Title	Skin problems on the arms
Meta Description	Skin problems on the arms. Authoritative facts about the skin from DermNet New Zealand Trust.
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Boilerpipe Text	Skin problems on the arms — extra information Categories: Inflammation ICD-10: L70.9, L55.9, L50, W57, BO2.9, L01.0, B56, L23, L20, L30.0, L85.8, L40, L92.0, L80, L81.9 ICD-11: EJ40, ED80.Z, EB05, EK50.0, 1E91.Z, 1B72.Z, 1G04, EK00.Z, ED63.0, EA80, ED60.2, EA82, EA80.0, ED56, EA90.Z SNOMED CT: 403194002, 126485001, 11381005, 287112003, 4740000, 48277006, 128869009, 238575004, 81418003, 5132005, 65508009, 9013002, 24079001, 95348005, 56727007 Arms: erythema without surface change Arms: red papules/pustules Arms: erosions/crusting Arms: dry/scaly and very itchy Arms: dry and scaly with minimal itch Arms: multiple skin coloured papules Pigmentary changes Links to pages about skin conditions that favour the arms. Erythema Red papules/pustules Erosions, crusting Dry scaly and itchy Dry scaly but not very itchy Skin coloured papules Pigmentary changes Arms: erythema without surface change Erythema is less pronounced in dark skin. Sunburn Sun-exposed site Painful Consider phototoxic drugs Urticaria Weals can arise on any site Spontaneous and inducible types Arms: red papules/pustules Acne vulgaris Upper trunk Open and closed comedones Nodules + cysts if severe Insect bites Crops of grouped itchy papules Central punctum May blister Lichen planus Inside wrists Firm, violaceous papules + white streaks Favours areas of earlier injury Also examine mouth, lower back, lower legs Arms: erosions/crusting Herpes zoster Dermatomal Painful Erythema may precede vesicles Culture / PCR : Herpes varicella zoster Impetigo Irregular enlarging plaque Honey-coloured crusts Culture: Staphylococcus aureus +/- Streptococcus pyogenes Scabies rash Burrows between fingers, wrists Nodules in axillae , groin Intense itch, especially at night Dermatoscopy of burrow reveals mite Arms: dry/scaly and very itchy May also blister, swell. Allergic contact dermatitis Acute flares on any site Asymmetrical , odd-shaped patches/ plaques Patch tests positive Atopic dermatitis Patchy or diffuse Acute flares are erythematous Chronic eczema is lichenified Nummular dermatitis Coin-shaped plaques Consider autoeczematisation from other site Arms: dry and scaly with minimal itch Keratosis pilaris Follicular papules Extensor upper arms Psoriasis Roughly symmetrical distribution Extensor elbows Well- circumscribed erythematous scaly plaques Variable itch Arms: multiple skin coloured papules Granuloma annulare Extensor elbows, dorsum of hands and fingers Arranged in rings Pigmentary changes Pigmentation is more pronounced in dark skin. Postinflammatory pigmentation Preceding eczema, psoriasis, acne etc Distribution depends on cause Vitiligo Most often volar wrists White, smooth surface See also pigmentary disorders Other recommended articles
Markdown	[![DermNet](https://dermnetnz.org/topics/_resources/themes/mercury/dist/images/svg/logo-white-tm.svg)](https://dermnetnz.org/ "DermNet") Are you a healthcare professional [GO TO DERMNET PRO](https://pro.dermnetnz.org/) [Home](https://dermnetnz.org/) [Topics A-Z](https://dermnetnz.org/topics) [Images](https://dermnetnz.org/images) [Cases](https://dermnetnz.org/cases) [Skin checker](https://dermnetnz.org/dermdiag) [Give feedback](https://dermnetnz.org/contact-us/website-feedback) Main menu * [Home](https://dermnetnz.org/) [Topics A-Z](https://dermnetnz.org/topics) [Images](https://dermnetnz.org/images) [Cases](https://dermnetnz.org/cases) [Skin checker](https://dermnetnz.org/dermdiag) [Give feedback](https://dermnetnz.org/contact-us/website-feedback) Common skin conditions * [Acne](https://dermnetnz.org/topics/acne) [Athlete's foot](https://dermnetnz.org/topics/athletes-foot) [Cellulitis](https://dermnetnz.org/topics/cellulitis) [Cold sores](https://dermnetnz.org/topics/herpes-simplex) [Dermatitis/Eczema](https://dermnetnz.org/topics/dermatitis) [Heat rash](https://dermnetnz.org/topics/miliaria) [Hives](https://dermnetnz.org/topics/urticaria-an-overview) [Impetigo](https://dermnetnz.org/topics/impetigo) [Psoriasis](https://dermnetnz.org/topics/psoriasis) [Ringworm](https://dermnetnz.org/topics/tinea-corporis) [Rosacea](https://dermnetnz.org/topics/rosacea) [Seborrhoeic dermatitis](https://dermnetnz.org/topics/seborrhoeic-dermatitis) [Shingles](https://dermnetnz.org/topics/herpes-zoster) [Vitiligo](https://dermnetnz.org/topics/topics/vitiligo) [![](https://dermnetnz.org/assets/images/home-page-pro-waitlist.webp) NEWS Join DermNet PRO Read more](https://pro.dermnetnz.org/) Quick links * [![](https://dermnetnz.org/assets/svg/white-magnifying-glass.svg) Skin checker Try our skin symptom checker](https://dermnetnz.org/dermdiag) [Home](https://dermnetnz.org/ "Home") ![divider](https://dermnetnz.org/topics/_resources/themes/mercury/dist/images/svg/divider.svg) [Topics A-Z](https://dermnetnz.org/topics) ![divider](https://dermnetnz.org/topics/_resources/themes/mercury/dist/images/svg/divider.svg) [Skin problems on the arms](https://dermnetnz.org/topics/skin-problems-on-the-arms) [![toggle glossary](https://dermnetnz.org/topics/_resources/themes/mercury/dist/images/svg/glossary.svg)](https://dermnetnz.org/topics/skin-problems-on-the-arms "Toggle glossary items") [![topic information](https://dermnetnz.org/topics/_resources/themes/mercury/dist/images/svg/information.svg)](https://dermnetnz.org/topics/skin-problems-on-the-arms "View topic information") [![print](https://dermnetnz.org/topics/_resources/themes/mercury/dist/images/svg/print.svg)](https://dermnetnz.org/topics/skin-problems-on-the-arms "Print this page") ##### Skin problems on the arms — extra information Categories: Inflammation ICD-10: L70.9, L55.9, L50, W57, BO2.9, L01.0, B56, L23, L20, L30.0, L85.8, L40, L92.0, L80, L81.9 ICD-11: EJ40, ED80.Z, EB05, EK50.0, 1E91.Z, 1B72.Z, 1G04, EK00.Z, ED63.0, EA80, ED60.2, EA82, EA80.0, ED56, EA90.Z SNOMED CT: 403194002, 126485001, 11381005, 287112003, 4740000, 48277006, 128869009, 238575004, 81418003, 5132005, 65508009, 9013002, 24079001, 95348005, 56727007 ADVERTISEMENT [Inflammation](https://dermnetnz.org/topics/topics?category=Inflammation) # Skin problems on the arms** Author: Hon Assoc Prof Amanda Oakley, Dermatologist, Hamilton, New Zealand, September 2015. [Arms: erythema without surface change](https://dermnetnz.org/topics/skin-problems-on-the-arms#Arms:%20erythema%20without%20surface%20change) [Arms: red papules/pustules](https://dermnetnz.org/topics/skin-problems-on-the-arms#Arms:%20red%20papules/pustules) [Arms: erosions/crusting](https://dermnetnz.org/topics/skin-problems-on-the-arms#Arms:%20erosions/crusting) [Arms: dry/scaly and very itchy](https://dermnetnz.org/topics/skin-problems-on-the-arms#Arms:%20dry/scaly%20and%20very%20itchy) [Arms: dry and scaly with minimal itch](https://dermnetnz.org/topics/skin-problems-on-the-arms#Arms:%20dry%20and%20scaly%20with%20minimal%20itch) [Arms: multiple skin coloured papules](https://dermnetnz.org/topics/skin-problems-on-the-arms#Arms:%20multiple%20skin%20coloured%20papules) [Pigmentary changes](https://dermnetnz.org/topics/skin-problems-on-the-arms#Pigmentary%20changes) Links to pages about skin conditions that favour the arms. - [Erythema](https://dermnetnz.org/topics/skin-problems-on-the-arms#e) - [Red papules/pustules](https://dermnetnz.org/topics/skin-problems-on-the-arms#rp) - [Erosions, crusting](https://dermnetnz.org/topics/skin-problems-on-the-arms#ec) - [Dry scaly and itchy](https://dermnetnz.org/topics/skin-problems-on-the-arms#dsi) - [Dry scaly but not very itchy](https://dermnetnz.org/topics/skin-problems-on-the-arms#ds) - [Skin coloured papules](https://dermnetnz.org/topics/skin-problems-on-the-arms#scp) - [Pigmentary changes](https://dermnetnz.org/topics/skin-problems-on-the-arms#pc) ## Arms: erythema without surface change Erythema is less pronounced in dark skin. [Sunburn](https://dermnetnz.org/topics/sunburn) - Sun-exposed site - Painful - Consider phototoxic drugs [Urticaria](https://dermnetnz.org/topics/urticaria-an-overview) - Weals can arise on any site - Spontaneous and inducible types ## Arms: red papules/pustules [Acne vulgaris](https://dermnetnz.org/topics/acne-vulgaris) - Upper trunk - Open and closed comedones - Nodules + cysts if severe [Insect bites](https://dermnetnz.org/topics/arthropod-bites-and-stings) - Crops of grouped itchy papules - Central punctum - May blister [Lichen planus](https://dermnetnz.org/topics/lichen-planus) - Inside wrists - Firm, violaceous papules + white streaks - Favours areas of earlier injury - Also examine mouth, lower back, lower legs ## Arms: erosions/crusting [Herpes zoster](https://dermnetnz.org/topics/herpes-zoster) - Dermatomal - Painful - Erythema may precede vesicles - Culture/PCR: Herpes varicella zoster [Impetigo](https://dermnetnz.org/topics/impetigo) - Irregular enlarging plaque - Honey-coloured crusts - Culture: [Staphylococcus aureus](https://dermnetnz.org/topics/staphylococcal-skin-infection) +/- [Streptococcus pyogenes](https://dermnetnz.org/topics/streptococcal-skin-infections) [Scabies](https://dermnetnz.org/topics/scabies) rash - Burrows between fingers, wrists - Nodules in axillae, groin - Intense itch, especially at night - [Dermatoscopy](https://dermnetnz.org/topics/dermoscopy) of burrow reveals mite ## Arms: dry/scaly and very itchy May also blister, swell. [Allergic contact dermatitis](https://dermnetnz.org/topics/allergic-contact-dermatitis) - Acute flares on any site - Asymmetrical, odd-shaped patches/plaques - [Patch tests](https://dermnetnz.org/topics/patch-tests) positive [Atopic dermatitis](https://dermnetnz.org/topics/atopic-dermatitis) - Patchy or diffuse - Acute flares are erythematous - Chronic eczema is lichenified [Nummular dermatitis](https://dermnetnz.org/topics/discoid-eczema) - Coin-shaped plaques - Consider [autoeczematisation](https://dermnetnz.org/topics/disseminated-secondary-eczema) from other site ## Arms: dry and scaly with minimal itch [Keratosis pilaris](https://dermnetnz.org/topics/keratosis-pilaris) - Follicular papules - Extensor upper arms [Psoriasis](https://dermnetnz.org/topics/psoriasis) - Roughly symmetrical distribution - Extensor elbows - Well-circumscribed erythematous scaly plaques - Variable itch ## Arms: multiple skin coloured papules [Granuloma annulare](https://dermnetnz.org/topics/granuloma-annulare) - Extensor elbows, dorsum of hands and fingers - Arranged in rings ## Pigmentary changes Pigmentation is more pronounced in dark skin. [Postinflammatory pigmentation](https://dermnetnz.org/topics/postinflammatory-hyperpigmentation) - Preceding eczema, psoriasis, acne etc - Distribution depends on cause [Vitiligo](https://dermnetnz.org/topics/vitiligo) - Most often volar wrists - White, smooth surface See also [pigmentary disorders](https://dermnetnz.org/topics/skin-pigmentation-problems) ADVERTISEMENT ### Books about skin diseases - [Books about the skin](https://dermnetnz.org/topics/books-about-the-skin/) - [Dermatology Made Easy - second edition](https://www.amazon.com/Dermatology-Made-second-Amanda-Oakley-dp-1914961161/dp/1914961161/ref=dp_ob_title_bk?&_encoding=UTF8&tag=nzdermnet-20&linkCode=ur2&linkId=2addc7901a76f7726fa42eeeea7a28ea&camp=1789&creative=9325) ADVERTISEMENT ### Other recommended articles ![close](https://dermnetnz.org/topics/_resources/themes/mercury/dist/images/svg/close.svg) ADVERTISEMENT ADVERTISEMENT ADVERTISEMENT ADVERTISEMENT Do Not Sell or Share My Personal Information Do Not Sell or Share My Personal Information ## Join our newsletter RESOURCES [Skin checker](https://dermnetnz.org/dermdiag) [PO-PASI scoring](https://dermnetnz.org/resources/psoriasis-po-pasi) [AI image dataset](https://dermnetnz.org/dermatology-image-dataset) [Quizzes](https://dermnetnz.org/quizzes) [Glossary](https://dermnetnz.org/glossary) [Translate](https://dermnetnz.org/about/translate) CONTACT [Contact us](https://dermnetnz.org/contact-us) [Website feedback](https://dermnetnz.org/contact-us/website-feedback) [Volunteer](https://dermnetnz.org/volunteer) [Donate](https://dermnetnz.org/donate) ABOUT [About DermNet](https://dermnetnz.org/about) [Editorial process](https://dermnetnz.org/about/editorial-process) [Website terms](https://dermnetnz.org/terms) [Image licence](https://dermnetnz.org/image-licence) [FAQ](https://dermnetnz.org/faq) Privacy settings [![DermNet®](https://dermnetnz.org/topics/_resources/themes/mercury/dist/images/svg/logo-white-tm.svg)](https://dermnetnz.org/ "DermNet®") [Privacy policy](https://dermnetnz.org/privacy-policy) © DermNet® 2026 [![Social link facebook](https://dermnetnz.org/topics/_resources/themes/mercury/dist/images/svg/footer-facebook.svg)](https://www.facebook.com/dermnetnz/) [![Social link instagram](https://dermnetnz.org/topics/_resources/themes/mercury/dist/images/svg/footer-instagram.svg)](https://www.instagram.com/dermnet) [![Social link x](https://dermnetnz.org/topics/_resources/themes/mercury/dist/images/svg/footer-x.svg)](https://twitter.com/dermnetnz) IMPORTANT NOTICE: DermNet does not provide a free online consultation service. If you have any concerns with your skin or its treatment, see a dermatologist for advice.
Readable Markdown	[![DermNet](https://dermnetnz.org/_resources/themes/mercury/dist/images/svg/logo-white-tm.svg)](https://dermnetnz.org/ "DermNet") Skin problems on the arms — extra information Categories: Inflammation ICD-10: L70.9, L55.9, L50, W57, BO2.9, L01.0, B56, L23, L20, L30.0, L85.8, L40, L92.0, L80, L81.9 ICD-11: EJ40, ED80.Z, EB05, EK50.0, 1E91.Z, 1B72.Z, 1G04, EK00.Z, ED63.0, EA80, ED60.2, EA82, EA80.0, ED56, EA90.Z SNOMED CT: 403194002, 126485001, 11381005, 287112003, 4740000, 48277006, 128869009, 238575004, 81418003, 5132005, 65508009, 9013002, 24079001, 95348005, 56727007 [Arms: erythema without surface change](https://dermnetnz.org/topics/skin-problems-on-the-arms#Arms:%20erythema%20without%20surface%20change) [Arms: red papules/pustules](https://dermnetnz.org/topics/skin-problems-on-the-arms#Arms:%20red%20papules/pustules) [Arms: erosions/crusting](https://dermnetnz.org/topics/skin-problems-on-the-arms#Arms:%20erosions/crusting) [Arms: dry/scaly and very itchy](https://dermnetnz.org/topics/skin-problems-on-the-arms#Arms:%20dry/scaly%20and%20very%20itchy) [Arms: dry and scaly with minimal itch](https://dermnetnz.org/topics/skin-problems-on-the-arms#Arms:%20dry%20and%20scaly%20with%20minimal%20itch) [Arms: multiple skin coloured papules](https://dermnetnz.org/topics/skin-problems-on-the-arms#Arms:%20multiple%20skin%20coloured%20papules) [Pigmentary changes](https://dermnetnz.org/topics/skin-problems-on-the-arms#Pigmentary%20changes) Links to pages about skin conditions that favour the arms. - [Erythema](https://dermnetnz.org/topics/skin-problems-on-the-arms#e) - [Red papules/pustules](https://dermnetnz.org/topics/skin-problems-on-the-arms#rp) - [Erosions, crusting](https://dermnetnz.org/topics/skin-problems-on-the-arms#ec) - [Dry scaly and itchy](https://dermnetnz.org/topics/skin-problems-on-the-arms#dsi) - [Dry scaly but not very itchy](https://dermnetnz.org/topics/skin-problems-on-the-arms#ds) - [Skin coloured papules](https://dermnetnz.org/topics/skin-problems-on-the-arms#scp) - [Pigmentary changes](https://dermnetnz.org/topics/skin-problems-on-the-arms#pc) ## Arms: erythema without surface change Erythema is less pronounced in dark skin. [Sunburn](https://dermnetnz.org/topics/sunburn) - Sun-exposed site - Painful - Consider phototoxic drugs [Urticaria](https://dermnetnz.org/topics/urticaria-an-overview) - Weals can arise on any site - Spontaneous and inducible types ## Arms: red papules/pustules [Acne vulgaris](https://dermnetnz.org/topics/acne-vulgaris) - Upper trunk - Open and closed comedones - Nodules + cysts if severe [Insect bites](https://dermnetnz.org/topics/arthropod-bites-and-stings) - Crops of grouped itchy papules - Central punctum - May blister [Lichen planus](https://dermnetnz.org/topics/lichen-planus) - Inside wrists - Firm, violaceous papules + white streaks - Favours areas of earlier injury - Also examine mouth, lower back, lower legs ## Arms: erosions/crusting [Herpes zoster](https://dermnetnz.org/topics/herpes-zoster) - Dermatomal - Painful - Erythema may precede vesicles - Culture/PCR: Herpes varicella zoster [Impetigo](https://dermnetnz.org/topics/impetigo) - Irregular enlarging plaque - Honey-coloured crusts - Culture: [Staphylococcus aureus](https://dermnetnz.org/topics/staphylococcal-skin-infection) +/- [Streptococcus pyogenes](https://dermnetnz.org/topics/streptococcal-skin-infections) [Scabies](https://dermnetnz.org/topics/scabies) rash - Burrows between fingers, wrists - Nodules in axillae, groin - Intense itch, especially at night - [Dermatoscopy](https://dermnetnz.org/topics/dermoscopy) of burrow reveals mite ## Arms: dry/scaly and very itchy May also blister, swell. [Allergic contact dermatitis](https://dermnetnz.org/topics/allergic-contact-dermatitis) - Acute flares on any site - Asymmetrical, odd-shaped patches/plaques - [Patch tests](https://dermnetnz.org/topics/patch-tests) positive [Atopic dermatitis](https://dermnetnz.org/topics/atopic-dermatitis) - Patchy or diffuse - Acute flares are erythematous - Chronic eczema is lichenified [Nummular dermatitis](https://dermnetnz.org/topics/discoid-eczema) - Coin-shaped plaques - Consider [autoeczematisation](https://dermnetnz.org/topics/disseminated-secondary-eczema) from other site ## Arms: dry and scaly with minimal itch [Keratosis pilaris](https://dermnetnz.org/topics/keratosis-pilaris) - Follicular papules - Extensor upper arms [Psoriasis](https://dermnetnz.org/topics/psoriasis) - Roughly symmetrical distribution - Extensor elbows - Well-circumscribed erythematous scaly plaques - Variable itch ## Arms: multiple skin coloured papules [Granuloma annulare](https://dermnetnz.org/topics/granuloma-annulare) - Extensor elbows, dorsum of hands and fingers - Arranged in rings ## Pigmentary changes Pigmentation is more pronounced in dark skin. [Postinflammatory pigmentation](https://dermnetnz.org/topics/postinflammatory-hyperpigmentation) - Preceding eczema, psoriasis, acne etc - Distribution depends on cause [Vitiligo](https://dermnetnz.org/topics/vitiligo) - Most often volar wrists - White, smooth surface See also [pigmentary disorders](https://dermnetnz.org/topics/skin-pigmentation-problems) Other recommended articles
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Language	en
Author	null
Publish Time	2023-10-26 03:28:10 (2 years ago)
Original Publish Time	2019-12-09 01:05:15 (6 years ago)
Republished	Yes
Word Count (Total)	612
Word Count (Content)	373
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