🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 7 (from laksa064)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa007.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 FROM crawler3.page_info_local FINAL PREWHERE (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'http://www.nlallergy.ca/for-patients/shellfish-allergy\')), getAhrefsUnparsedNoserviceFromURL(\'http://www.nlallergy.ca/for-patients/shellfish-allergy\'))) FORMAT JSONEachRow'

Response:

{"found_url":"http:\/\/www.nlallergy.ca\/for-patients\/shellfish-allergy","crawl_time":1775687360,"first_indexed_time":1494198122,"http_code":200,"src_unparsed":"ca,nlallergy!www,\/for-patients\/shellfish-allergy h80","src_root_hash":"13423386336901820807","history_drop_reason":null,"meta_title":"Shellfish Allergy — NL Allergy & Immunology","meta_descriptions":["SHELLFISH ALLERGY"],"attrs_boilerpipe_text":"General Information\nReactions to food are common and can be divided into two categories, those caused by food allergy and all other reactions\nFood allergies develop when the body’s immune system has an abnormal reaction to one or more proteins in a food that can lead to serious allergic reactions\nOther food reactions are not caused by the immune system but can cause unpleasant symptoms (examples include lactose intolerance, heartburn, food poisoning, and sensitivities)\nShellfish allergy is one of the most common food allergies\nThe majority of people experience their first reaction to shellfish as an adult\nShellfish allergy can occur after eating the food on a regular basis without reaction\nShellfish Avoidance\nTell anyone with regular contact with you or your child about the allergy and avoidance of shellfish\nRead labels every time you buy something. Manufacturers can change products at any time - Be aware of cross contamination (transfer of shellfish to a food that does not normally have shellfish as an ingredient)\nVery sensitive people can react if they are close to where shellfish is being cooked or fried\nAbout 75% of people with shellfish allergy will have reactions to more than one type of shellfish\nShrimp, crab and lobster cause most shellfish allergies\nOnly 10% of people with shellfish allergy have allergies to fish (being allergic to shellfish does not always mean avoiding fish as well)\nShellfish are divided into crustaceans (lobster, crab, shrimp) and mollusks (clams, mussels, oyster, scallops)\nCommon shellfish include:\nAbalone\nKrill\nQuahaugs\nBarnacle\nLimpets\nSea cucumber\nClam\nLobster\nSea urchin\nCrab\nMussels\nScallops\nCrayfish \/ crawfish\nOctopus\nShrimp \/ crevette \/ scampi\nCockle\nOysters\nSnails \/ escargot\nConch\nPeriwinkle\nSquid \/ calamari\nCuttlefish\nPrawns\nWhelks\nSome foods that contain or may contain shellfish\nCaviar\nImitation crab \/ lobster\nScrob\nCeviche\nKamaboko\nSurimi\nGravad lax\nMinced fillets\nSushi\nFish stock\nSashimi\nTarama\nAllergic Reactions\nSymptoms often occur within minutes up to 2 hours of exposure to shellfish\nOutside Symptoms\nFace: Redness, itchy eyes \/ nose, swelling\nSkin: Itching, redness, hives, swelling\nInside Symptoms\nFace: Swelling lips and tongue, itchy mouth\nThroat: Itching, tightness, hoarse voice, cough\nLungs: Trouble breathing, shortness of breath\nStomach: Vomiting, nausea, stomach pain, diarrhea\nGeneral: Dizzy, unsteady, drowsy, fainting\nNot every reaction will look the same, a person can have different symptoms each time\nSymptoms range from mild to life threatening, there is no way to predict if the reaction will be mild or severe\nAnaphylaxis is a severe life threatening reaction with more than one body system affected (skin, breathing, stomach, general) and can occur WITHOUT skin symptoms such as hives\nTreatment of Reactions\nAntihistamines such as Benadryl will NOT stop severe reactions\nAn epinephrine auto injector such as Allerject or EpiPen MUST be available at all times\nIf you are visiting an area without access to a hospital you should have 2 auto injectors available\nA medical identification device such a Medical Alert bracelet should be worn to outline the food allergy and that an epinephrine auto injector is carried\nGive epinephrine in the outer thigh if there are any of the following symptoms (listed in the table on the previous page)\nGeneral symptoms\nSevere outside symptoms\nAny inside symptoms\nIf you are in doubt, give the epinephrine\nAfter epinephrine is given\nLie down \/ lie your child down\nCall local emergency service and tell them someone is having an allergic reaction\nIf the reaction continues or worsens, give a second dose of epinephrine in 5 - 15 minutes (there is only 1 dose of epinephrine in each auto injector, a second dose requires a new auto-injector)\nGo to the nearest emergency room even if the symptoms are gone because the reaction can worsen or come back\nStay in the hospital for at least 4 - 6 hours of observation\nOutcomes for Shellfish Allergic Patients\nThe majority of people do not outgrow the shellfish allergy\nRepeat skin testing and blood work every 1 - 2 years will help determine if the allergy is outgrown\nAn oral food challenge (eating shellfish in small steps ONLY in the doctors office) will be offered if your doctor feels it is safe\nShellfish products should NEVER be tried outside of a doctors office to see if the shellfish allergy is outgrown\nAdditional information:\nwww.anaphylaxis.ca\nor\nwww.foodallergy.org","attrs_markdown":"- [Welcome](http:\/\/www.nlallergy.ca\/)\n- [For Physicians](http:\/\/www.nlallergy.ca\/for-physicians)\n- [For Patients](http:\/\/www.nlallergy.ca\/for-patients)\n- [About Us](http:\/\/www.nlallergy.ca\/about-us)\n\n# [![NL Allergy & Immunology](http:\/\/images.squarespace-cdn.com\/content\/v1\/549c852be4b0aae8e216201c\/1419544042659-29UOIT3X99WR1LUNPYZ1\/logo.png?format=1500w)](http:\/\/www.nlallergy.ca\/)\n- [Welcome](http:\/\/www.nlallergy.ca\/)\n- [For Physicians](http:\/\/www.nlallergy.ca\/for-physicians)\n- [For Patients](http:\/\/www.nlallergy.ca\/for-patients)\n- [About Us](http:\/\/www.nlallergy.ca\/about-us)\n\n![2\\.jpg]()\n\n# Shellfish Allergy\nSHELLFISH ALLERGY\n\n# General Information\n- Reactions to food are common and can be divided into two categories, those caused by food allergy and all other reactions\n- Food allergies develop when the body’s immune system has an abnormal reaction to one or more proteins in a food that can lead to serious allergic reactions\n- Other food reactions are not caused by the immune system but can cause unpleasant symptoms (examples include lactose intolerance, heartburn, food poisoning, and sensitivities)\n- Shellfish allergy is one of the most common food allergies\n- The majority of people experience their first reaction to shellfish as an adult\n- Shellfish allergy can occur after eating the food on a regular basis without reaction\n# Shellfish Avoidance\n- Tell anyone with regular contact with you or your child about the allergy and avoidance of shellfish\n- Read labels every time you buy something. Manufacturers can change products at any time - Be aware of cross contamination (transfer of shellfish to a food that does not normally have shellfish as an ingredient)\n- Very sensitive people can react if they are close to where shellfish is being cooked or fried\n- About 75% of people with shellfish allergy will have reactions to more than one type of shellfish\n- Shrimp, crab and lobster cause most shellfish allergies\n- Only 10% of people with shellfish allergy have allergies to fish (being allergic to shellfish does not always mean avoiding fish as well)\n- Shellfish are divided into crustaceans (lobster, crab, shrimp) and mollusks (clams, mussels, oyster, scallops)\n- Common shellfish include:\n  - Abalone\n  - Krill\n  - Quahaugs\n  - Barnacle\n  - Limpets\n  - Sea cucumber\n  - Clam\n  - Lobster\n  - Sea urchin\n  - Crab\n  - Mussels\n  - Scallops\n  - Crayfish \/ crawfish\n  - Octopus\n  - Shrimp \/ crevette \/ scampi\n  - Cockle\n  - Oysters\n  - Snails \/ escargot\n  - Conch\n  - Periwinkle\n  - Squid \/ calamari\n  - Cuttlefish\n  - Prawns\n  - Whelks\n- Some foods that contain or may contain shellfish\n  - Caviar\n  - Imitation crab \/ lobster\n  - Scrob\n  - Ceviche\n  - Kamaboko\n  - Surimi\n  - Gravad lax\n  - Minced fillets\n  - Sushi\n  - Fish stock\n  - Sashimi\n  - Tarama\n# Allergic Reactions\n- Symptoms often occur within minutes up to 2 hours of exposure to shellfish\n- Outside Symptoms\n  - Face: Redness, itchy eyes \/ nose, swelling\n  - Skin: Itching, redness, hives, swelling\n- Inside Symptoms\n  - Face: Swelling lips and tongue, itchy mouth\n  - Throat: Itching, tightness, hoarse voice, cough\n  - Lungs: Trouble breathing, shortness of breath\n  - Stomach: Vomiting, nausea, stomach pain, diarrhea\n  - General: Dizzy, unsteady, drowsy, fainting\n- Not every reaction will look the same, a person can have different symptoms each time\n- Symptoms range from mild to life threatening, there is no way to predict if the reaction will be mild or severe\n- Anaphylaxis is a severe life threatening reaction with more than one body system affected (skin, breathing, stomach, general) and can occur WITHOUT skin symptoms such as hives\n# Treatment of Reactions\n- Antihistamines such as Benadryl will NOT stop severe reactions\n- An epinephrine auto injector such as Allerject or EpiPen MUST be available at all times\n- If you are visiting an area without access to a hospital you should have 2 auto injectors available\n- A medical identification device such a Medical Alert bracelet should be worn to outline the food allergy and that an epinephrine auto injector is carried\n- Give epinephrine in the outer thigh if there are any of the following symptoms (listed in the table on the previous page)\n  - General symptoms\n  - Severe outside symptoms\n  - Any inside symptoms\n  - If you are in doubt, give the epinephrine\n- After epinephrine is given\n  - Lie down \/ lie your child down\n  - Call local emergency service and tell them someone is having an allergic reaction\n  - If the reaction continues or worsens, give a second dose of epinephrine in 5 - 15 minutes (there is only 1 dose of epinephrine in each auto injector, a second dose requires a new auto-injector)\n  - Go to the nearest emergency room even if the symptoms are gone because the reaction can worsen or come back\n  - Stay in the hospital for at least 4 - 6 hours of observation\n# Outcomes for Shellfish Allergic Patients\n- The majority of people do not outgrow the shellfish allergy\n- Repeat skin testing and blood work every 1 - 2 years will help determine if the allergy is outgrown\n- An oral food challenge (eating shellfish in small steps ONLY in the doctors office) will be offered if your doctor feels it is safe\n- Shellfish products should NEVER be tried outside of a doctors office to see if the shellfish allergy is outgrown\n\nAdditional information: [www.anaphylaxis.ca](http:\/\/www.anaphylaxis.ca\/) or [www.foodallergy.org](http:\/\/www.foodallergy.org\/)\n\n## ALLERGIES\n- [Animal Allergy](http:\/\/www.nlallergy.ca\/for-patients\/animal-allergy)\n- [Cow’s Milk Protein Allergy](http:\/\/www.nlallergy.ca\/for-patients\/cows-milk-protein-allergy)\n- [Egg Allergy](http:\/\/www.nlallergy.ca\/for-paitents\/egg-allergy)\n- [Fish Allergy](http:\/\/www.nlallergy.ca\/for-patients\/fish-allergy)\n- [House Dust Mite Allergy](http:\/\/www.nlallergy.ca\/for-patients\/house-dust-mite-allergy)\n- [Mold Allergy](http:\/\/www.nlallergy.ca\/for-patients\/mold-allergy)\n- [Peanut Allergy](http:\/\/www.nlallergy.ca\/for-patients\/peanut-allergy)\n- [Pollen Allergy](http:\/\/www.nlallergy.ca\/for-patients\/pollen-allergy)\n- [Sesame Allergy](http:\/\/www.nlallergy.ca\/for-patients\/sesame-allergy)\n- [Shellfish Allergy](http:\/\/www.nlallergy.ca\/for-patients\/shellfish-allergy)\n- [Soy Allergy](http:\/\/www.nlallergy.ca\/for-patients\/soy-allergy)\n- [Tree Nut Allergy](http:\/\/www.nlallergy.ca\/for-patients\/tree-nut-allergy)\n- [Venom Allergy](http:\/\/www.nlallergy.ca\/for-patients\/venom-allergy)\n- [Wheat Allergy](http:\/\/www.nlallergy.ca\/wheat-allergy)\n##\n## PROCEDURES\n- [Environmental Allergy Assessment](http:\/\/www.nlallergy.ca\/for-patients\/environmental-allergy-assessment)\n- [Food Allergy Assessment](http:\/\/www.nlallergy.ca\/for-patients\/food-allergy)\n- [Immunotherapy](http:\/\/www.nlallergy.ca\/for-patients\/immunotherapy)\n- [Medication Allergy Assessment](http:\/\/www.nlallergy.ca\/for-patients\/medication-allergy)\n- [Oral Food Challenge](http:\/\/www.nlallergy.ca\/for-patients\/oral-food-challenge)\n- [Skin Prick Testing](http:\/\/www.nlallergy.ca\/for-patients\/skin-prick-testing)\n- [Vaccine Allergy Assessment](http:\/\/www.nlallergy.ca\/for-patients\/vaccine-allergy)\n- [Venom Allergy Assessment](http:\/\/www.nlallergy.ca\/for-patients\/venom-allergy-assessment)\n##\n## CONDITIONS\n- [Asthma](http:\/\/www.nlallergy.ca\/for-patients\/asthma)\n- [Eczema \/ Atropic Dermatitis](http:\/\/www.nlallergy.ca\/ecema-atopic-dematitis)\n- [Pollen Food Syndrome](http:\/\/www.nlallergy.ca\/for-patients\/pollen-food-syndrome)\n- [Chronic Hives](http:\/\/www.nlallergy.ca\/chronic-hives)\n\n[Top](http:\/\/www.nlallergy.ca\/for-patients\/shellfish-allergy#top)\n\n### NL ALLERGY & IMMUNOLOGY\n### HOURS\n\n2 Mount Cashel Rd  \nSt. John's, NL  \nA1A 1X7\n\nPhone: (709) 726-7552  \nFax: (709) 726-6634  \nEmail: admin@nlallergy.ca\n\n*Monday — Friday*  \n8:30 am — 4:00pm","attrs_readable_markdown":"## General Information\n- Reactions to food are common and can be divided into two categories, those caused by food allergy and all other reactions\n- Food allergies develop when the body’s immune system has an abnormal reaction to one or more proteins in a food that can lead to serious allergic reactions\n- Other food reactions are not caused by the immune system but can cause unpleasant symptoms (examples include lactose intolerance, heartburn, food poisoning, and sensitivities)\n- Shellfish allergy is one of the most common food allergies\n- The majority of people experience their first reaction to shellfish as an adult\n- Shellfish allergy can occur after eating the food on a regular basis without reaction\n## Shellfish Avoidance\n- Tell anyone with regular contact with you or your child about the allergy and avoidance of shellfish\n- Read labels every time you buy something. Manufacturers can change products at any time - Be aware of cross contamination (transfer of shellfish to a food that does not normally have shellfish as an ingredient)\n- Very sensitive people can react if they are close to where shellfish is being cooked or fried\n- About 75% of people with shellfish allergy will have reactions to more than one type of shellfish\n- Shrimp, crab and lobster cause most shellfish allergies\n- Only 10% of people with shellfish allergy have allergies to fish (being allergic to shellfish does not always mean avoiding fish as well)\n- Shellfish are divided into crustaceans (lobster, crab, shrimp) and mollusks (clams, mussels, oyster, scallops)\n- Common shellfish include:\n  - Abalone\n  - Krill\n  - Quahaugs\n  - Barnacle\n  - Limpets\n  - Sea cucumber\n  - Clam\n  - Lobster\n  - Sea urchin\n  - Crab\n  - Mussels\n  - Scallops\n  - Crayfish \/ crawfish\n  - Octopus\n  - Shrimp \/ crevette \/ scampi\n  - Cockle\n  - Oysters\n  - Snails \/ escargot\n  - Conch\n  - Periwinkle\n  - Squid \/ calamari\n  - Cuttlefish\n  - Prawns\n  - Whelks\n- Some foods that contain or may contain shellfish\n  - Caviar\n  - Imitation crab \/ lobster\n  - Scrob\n  - Ceviche\n  - Kamaboko\n  - Surimi\n  - Gravad lax\n  - Minced fillets\n  - Sushi\n  - Fish stock\n  - Sashimi\n  - Tarama\n## Allergic Reactions\n- Symptoms often occur within minutes up to 2 hours of exposure to shellfish\n- Outside Symptoms\n  - Face: Redness, itchy eyes \/ nose, swelling\n  - Skin: Itching, redness, hives, swelling\n- Inside Symptoms\n  - Face: Swelling lips and tongue, itchy mouth\n  - Throat: Itching, tightness, hoarse voice, cough\n  - Lungs: Trouble breathing, shortness of breath\n  - Stomach: Vomiting, nausea, stomach pain, diarrhea\n  - General: Dizzy, unsteady, drowsy, fainting\n- Not every reaction will look the same, a person can have different symptoms each time\n- Symptoms range from mild to life threatening, there is no way to predict if the reaction will be mild or severe\n- Anaphylaxis is a severe life threatening reaction with more than one body system affected (skin, breathing, stomach, general) and can occur WITHOUT skin symptoms such as hives\n## Treatment of Reactions\n- Antihistamines such as Benadryl will NOT stop severe reactions\n- An epinephrine auto injector such as Allerject or EpiPen MUST be available at all times\n- If you are visiting an area without access to a hospital you should have 2 auto injectors available\n- A medical identification device such a Medical Alert bracelet should be worn to outline the food allergy and that an epinephrine auto injector is carried\n- Give epinephrine in the outer thigh if there are any of the following symptoms (listed in the table on the previous page)\n  - General symptoms\n  - Severe outside symptoms\n  - Any inside symptoms\n  - If you are in doubt, give the epinephrine\n- After epinephrine is given\n  - Lie down \/ lie your child down\n  - Call local emergency service and tell them someone is having an allergic reaction\n  - If the reaction continues or worsens, give a second dose of epinephrine in 5 - 15 minutes (there is only 1 dose of epinephrine in each auto injector, a second dose requires a new auto-injector)\n  - Go to the nearest emergency room even if the symptoms are gone because the reaction can worsen or come back\n  - Stay in the hospital for at least 4 - 6 hours of observation\n## Outcomes for Shellfish Allergic Patients\n- The majority of people do not outgrow the shellfish allergy\n- Repeat skin testing and blood work every 1 - 2 years will help determine if the allergy is outgrown\n- An oral food challenge (eating shellfish in small steps ONLY in the doctors office) will be offered if your doctor feels it is safe\n- Shellfish products should NEVER be tried outside of a doctors office to see if the shellfish allergy is outgrown\n\nAdditional information: [www.anaphylaxis.ca](http:\/\/www.anaphylaxis.ca\/) or [www.foodallergy.org](http:\/\/www.foodallergy.org\/)","meta_canonical":null}

3. Robots.txt Check

Query:

Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

ℹ️ Skipped - page is already crawled

📄

INDEXABLE

✅

CRAWLED

13 days ago

🤖

ROBOTS ALLOWED

Page Info Filters

Filter	Status	Condition	Details
HTTP status	PASS	`download_http_code = 200`	HTTP 200
Age cutoff	PASS	`download_stamp > now() - 6 MONTH`	0.4 months ago
History drop	PASS	`isNull(history_drop_reason)`	No drop reason
Spam/ban	PASS	`fh_dont_index != 1 AND ml_spam_score = 0`	ml_spam_score=0
Canonical	PASS	`meta_canonical IS NULL OR = '' OR = src_unparsed`	Not set

Page Details

Property	Value
URL	http://www.nlallergy.ca/for-patients/shellfish-allergy
Last Crawled	2026-04-08 22:29:20 (13 days ago)
First Indexed	2017-05-07 23:02:02 (8 years ago)
HTTP Status Code	200
Meta Title	Shellfish Allergy — NL Allergy & Immunology
Meta Description	SHELLFISH ALLERGY
Meta Canonical	null
Boilerpipe Text	General Information Reactions to food are common and can be divided into two categories, those caused by food allergy and all other reactions Food allergies develop when the body’s immune system has an abnormal reaction to one or more proteins in a food that can lead to serious allergic reactions Other food reactions are not caused by the immune system but can cause unpleasant symptoms (examples include lactose intolerance, heartburn, food poisoning, and sensitivities) Shellfish allergy is one of the most common food allergies The majority of people experience their first reaction to shellfish as an adult Shellfish allergy can occur after eating the food on a regular basis without reaction Shellfish Avoidance Tell anyone with regular contact with you or your child about the allergy and avoidance of shellfish Read labels every time you buy something. Manufacturers can change products at any time - Be aware of cross contamination (transfer of shellfish to a food that does not normally have shellfish as an ingredient) Very sensitive people can react if they are close to where shellfish is being cooked or fried About 75% of people with shellfish allergy will have reactions to more than one type of shellfish Shrimp, crab and lobster cause most shellfish allergies Only 10% of people with shellfish allergy have allergies to fish (being allergic to shellfish does not always mean avoiding fish as well) Shellfish are divided into crustaceans (lobster, crab, shrimp) and mollusks (clams, mussels, oyster, scallops) Common shellfish include: Abalone Krill Quahaugs Barnacle Limpets Sea cucumber Clam Lobster Sea urchin Crab Mussels Scallops Crayfish / crawfish Octopus Shrimp / crevette / scampi Cockle Oysters Snails / escargot Conch Periwinkle Squid / calamari Cuttlefish Prawns Whelks Some foods that contain or may contain shellfish Caviar Imitation crab / lobster Scrob Ceviche Kamaboko Surimi Gravad lax Minced fillets Sushi Fish stock Sashimi Tarama Allergic Reactions Symptoms often occur within minutes up to 2 hours of exposure to shellfish Outside Symptoms Face: Redness, itchy eyes / nose, swelling Skin: Itching, redness, hives, swelling Inside Symptoms Face: Swelling lips and tongue, itchy mouth Throat: Itching, tightness, hoarse voice, cough Lungs: Trouble breathing, shortness of breath Stomach: Vomiting, nausea, stomach pain, diarrhea General: Dizzy, unsteady, drowsy, fainting Not every reaction will look the same, a person can have different symptoms each time Symptoms range from mild to life threatening, there is no way to predict if the reaction will be mild or severe Anaphylaxis is a severe life threatening reaction with more than one body system affected (skin, breathing, stomach, general) and can occur WITHOUT skin symptoms such as hives Treatment of Reactions Antihistamines such as Benadryl will NOT stop severe reactions An epinephrine auto injector such as Allerject or EpiPen MUST be available at all times If you are visiting an area without access to a hospital you should have 2 auto injectors available A medical identification device such a Medical Alert bracelet should be worn to outline the food allergy and that an epinephrine auto injector is carried Give epinephrine in the outer thigh if there are any of the following symptoms (listed in the table on the previous page) General symptoms Severe outside symptoms Any inside symptoms If you are in doubt, give the epinephrine After epinephrine is given Lie down / lie your child down Call local emergency service and tell them someone is having an allergic reaction If the reaction continues or worsens, give a second dose of epinephrine in 5 - 15 minutes (there is only 1 dose of epinephrine in each auto injector, a second dose requires a new auto-injector) Go to the nearest emergency room even if the symptoms are gone because the reaction can worsen or come back Stay in the hospital for at least 4 - 6 hours of observation Outcomes for Shellfish Allergic Patients The majority of people do not outgrow the shellfish allergy Repeat skin testing and blood work every 1 - 2 years will help determine if the allergy is outgrown An oral food challenge (eating shellfish in small steps ONLY in the doctors office) will be offered if your doctor feels it is safe Shellfish products should NEVER be tried outside of a doctors office to see if the shellfish allergy is outgrown Additional information: www.anaphylaxis.ca or www.foodallergy.org
Markdown	- [Welcome](http://www.nlallergy.ca/) - [For Physicians](http://www.nlallergy.ca/for-physicians) - [For Patients](http://www.nlallergy.ca/for-patients) - [About Us](http://www.nlallergy.ca/about-us) # [![NL Allergy & Immunology](http://images.squarespace-cdn.com/content/v1/549c852be4b0aae8e216201c/1419544042659-29UOIT3X99WR1LUNPYZ1/logo.png?format=1500w)](http://www.nlallergy.ca/) - [Welcome](http://www.nlallergy.ca/) - [For Physicians](http://www.nlallergy.ca/for-physicians) - [For Patients](http://www.nlallergy.ca/for-patients) - [About Us](http://www.nlallergy.ca/about-us) ![2\.jpg]() # Shellfish Allergy SHELLFISH ALLERGY # General Information - Reactions to food are common and can be divided into two categories, those caused by food allergy and all other reactions - Food allergies develop when the body’s immune system has an abnormal reaction to one or more proteins in a food that can lead to serious allergic reactions - Other food reactions are not caused by the immune system but can cause unpleasant symptoms (examples include lactose intolerance, heartburn, food poisoning, and sensitivities) - Shellfish allergy is one of the most common food allergies - The majority of people experience their first reaction to shellfish as an adult - Shellfish allergy can occur after eating the food on a regular basis without reaction # Shellfish Avoidance - Tell anyone with regular contact with you or your child about the allergy and avoidance of shellfish - Read labels every time you buy something. Manufacturers can change products at any time - Be aware of cross contamination (transfer of shellfish to a food that does not normally have shellfish as an ingredient) - Very sensitive people can react if they are close to where shellfish is being cooked or fried - About 75% of people with shellfish allergy will have reactions to more than one type of shellfish - Shrimp, crab and lobster cause most shellfish allergies - Only 10% of people with shellfish allergy have allergies to fish (being allergic to shellfish does not always mean avoiding fish as well) - Shellfish are divided into crustaceans (lobster, crab, shrimp) and mollusks (clams, mussels, oyster, scallops) - Common shellfish include: - Abalone - Krill - Quahaugs - Barnacle - Limpets - Sea cucumber - Clam - Lobster - Sea urchin - Crab - Mussels - Scallops - Crayfish / crawfish - Octopus - Shrimp / crevette / scampi - Cockle - Oysters - Snails / escargot - Conch - Periwinkle - Squid / calamari - Cuttlefish - Prawns - Whelks - Some foods that contain or may contain shellfish - Caviar - Imitation crab / lobster - Scrob - Ceviche - Kamaboko - Surimi - Gravad lax - Minced fillets - Sushi - Fish stock - Sashimi - Tarama # Allergic Reactions - Symptoms often occur within minutes up to 2 hours of exposure to shellfish - Outside Symptoms - Face: Redness, itchy eyes / nose, swelling - Skin: Itching, redness, hives, swelling - Inside Symptoms - Face: Swelling lips and tongue, itchy mouth - Throat: Itching, tightness, hoarse voice, cough - Lungs: Trouble breathing, shortness of breath - Stomach: Vomiting, nausea, stomach pain, diarrhea - General: Dizzy, unsteady, drowsy, fainting - Not every reaction will look the same, a person can have different symptoms each time - Symptoms range from mild to life threatening, there is no way to predict if the reaction will be mild or severe - Anaphylaxis is a severe life threatening reaction with more than one body system affected (skin, breathing, stomach, general) and can occur WITHOUT skin symptoms such as hives # Treatment of Reactions - Antihistamines such as Benadryl will NOT stop severe reactions - An epinephrine auto injector such as Allerject or EpiPen MUST be available at all times - If you are visiting an area without access to a hospital you should have 2 auto injectors available - A medical identification device such a Medical Alert bracelet should be worn to outline the food allergy and that an epinephrine auto injector is carried - Give epinephrine in the outer thigh if there are any of the following symptoms (listed in the table on the previous page) - General symptoms - Severe outside symptoms - Any inside symptoms - If you are in doubt, give the epinephrine - After epinephrine is given - Lie down / lie your child down - Call local emergency service and tell them someone is having an allergic reaction - If the reaction continues or worsens, give a second dose of epinephrine in 5 - 15 minutes (there is only 1 dose of epinephrine in each auto injector, a second dose requires a new auto-injector) - Go to the nearest emergency room even if the symptoms are gone because the reaction can worsen or come back - Stay in the hospital for at least 4 - 6 hours of observation # Outcomes for Shellfish Allergic Patients - The majority of people do not outgrow the shellfish allergy - Repeat skin testing and blood work every 1 - 2 years will help determine if the allergy is outgrown - An oral food challenge (eating shellfish in small steps ONLY in the doctors office) will be offered if your doctor feels it is safe - Shellfish products should NEVER be tried outside of a doctors office to see if the shellfish allergy is outgrown Additional information: [www.anaphylaxis.ca](http://www.anaphylaxis.ca/) or [www.foodallergy.org](http://www.foodallergy.org/) ## ALLERGIES - [Animal Allergy](http://www.nlallergy.ca/for-patients/animal-allergy) - [Cow’s Milk Protein Allergy](http://www.nlallergy.ca/for-patients/cows-milk-protein-allergy) - [Egg Allergy](http://www.nlallergy.ca/for-paitents/egg-allergy) - [Fish Allergy](http://www.nlallergy.ca/for-patients/fish-allergy) - [House Dust Mite Allergy](http://www.nlallergy.ca/for-patients/house-dust-mite-allergy) - [Mold Allergy](http://www.nlallergy.ca/for-patients/mold-allergy) - [Peanut Allergy](http://www.nlallergy.ca/for-patients/peanut-allergy) - [Pollen Allergy](http://www.nlallergy.ca/for-patients/pollen-allergy) - [Sesame Allergy](http://www.nlallergy.ca/for-patients/sesame-allergy) - [Shellfish Allergy](http://www.nlallergy.ca/for-patients/shellfish-allergy) - [Soy Allergy](http://www.nlallergy.ca/for-patients/soy-allergy) - [Tree Nut Allergy](http://www.nlallergy.ca/for-patients/tree-nut-allergy) - [Venom Allergy](http://www.nlallergy.ca/for-patients/venom-allergy) - [Wheat Allergy](http://www.nlallergy.ca/wheat-allergy) ## ## PROCEDURES - [Environmental Allergy Assessment](http://www.nlallergy.ca/for-patients/environmental-allergy-assessment) - [Food Allergy Assessment](http://www.nlallergy.ca/for-patients/food-allergy) - [Immunotherapy](http://www.nlallergy.ca/for-patients/immunotherapy) - [Medication Allergy Assessment](http://www.nlallergy.ca/for-patients/medication-allergy) - [Oral Food Challenge](http://www.nlallergy.ca/for-patients/oral-food-challenge) - [Skin Prick Testing](http://www.nlallergy.ca/for-patients/skin-prick-testing) - [Vaccine Allergy Assessment](http://www.nlallergy.ca/for-patients/vaccine-allergy) - [Venom Allergy Assessment](http://www.nlallergy.ca/for-patients/venom-allergy-assessment) ## ## CONDITIONS - [Asthma](http://www.nlallergy.ca/for-patients/asthma) - [Eczema / Atropic Dermatitis](http://www.nlallergy.ca/ecema-atopic-dematitis) - [Pollen Food Syndrome](http://www.nlallergy.ca/for-patients/pollen-food-syndrome) - [Chronic Hives](http://www.nlallergy.ca/chronic-hives) [Top](http://www.nlallergy.ca/for-patients/shellfish-allergy#top) ### NL ALLERGY & IMMUNOLOGY ### HOURS 2 Mount Cashel Rd St. John's, NL A1A 1X7 Phone: (709) 726-7552 Fax: (709) 726-6634 Email: admin@nlallergy.ca Monday — Friday 8:30 am — 4:00pm
Readable Markdown	## General Information - Reactions to food are common and can be divided into two categories, those caused by food allergy and all other reactions - Food allergies develop when the body’s immune system has an abnormal reaction to one or more proteins in a food that can lead to serious allergic reactions - Other food reactions are not caused by the immune system but can cause unpleasant symptoms (examples include lactose intolerance, heartburn, food poisoning, and sensitivities) - Shellfish allergy is one of the most common food allergies - The majority of people experience their first reaction to shellfish as an adult - Shellfish allergy can occur after eating the food on a regular basis without reaction ## Shellfish Avoidance - Tell anyone with regular contact with you or your child about the allergy and avoidance of shellfish - Read labels every time you buy something. Manufacturers can change products at any time - Be aware of cross contamination (transfer of shellfish to a food that does not normally have shellfish as an ingredient) - Very sensitive people can react if they are close to where shellfish is being cooked or fried - About 75% of people with shellfish allergy will have reactions to more than one type of shellfish - Shrimp, crab and lobster cause most shellfish allergies - Only 10% of people with shellfish allergy have allergies to fish (being allergic to shellfish does not always mean avoiding fish as well) - Shellfish are divided into crustaceans (lobster, crab, shrimp) and mollusks (clams, mussels, oyster, scallops) - Common shellfish include: - Abalone - Krill - Quahaugs - Barnacle - Limpets - Sea cucumber - Clam - Lobster - Sea urchin - Crab - Mussels - Scallops - Crayfish / crawfish - Octopus - Shrimp / crevette / scampi - Cockle - Oysters - Snails / escargot - Conch - Periwinkle - Squid / calamari - Cuttlefish - Prawns - Whelks - Some foods that contain or may contain shellfish - Caviar - Imitation crab / lobster - Scrob - Ceviche - Kamaboko - Surimi - Gravad lax - Minced fillets - Sushi - Fish stock - Sashimi - Tarama ## Allergic Reactions - Symptoms often occur within minutes up to 2 hours of exposure to shellfish - Outside Symptoms - Face: Redness, itchy eyes / nose, swelling - Skin: Itching, redness, hives, swelling - Inside Symptoms - Face: Swelling lips and tongue, itchy mouth - Throat: Itching, tightness, hoarse voice, cough - Lungs: Trouble breathing, shortness of breath - Stomach: Vomiting, nausea, stomach pain, diarrhea - General: Dizzy, unsteady, drowsy, fainting - Not every reaction will look the same, a person can have different symptoms each time - Symptoms range from mild to life threatening, there is no way to predict if the reaction will be mild or severe - Anaphylaxis is a severe life threatening reaction with more than one body system affected (skin, breathing, stomach, general) and can occur WITHOUT skin symptoms such as hives ## Treatment of Reactions - Antihistamines such as Benadryl will NOT stop severe reactions - An epinephrine auto injector such as Allerject or EpiPen MUST be available at all times - If you are visiting an area without access to a hospital you should have 2 auto injectors available - A medical identification device such a Medical Alert bracelet should be worn to outline the food allergy and that an epinephrine auto injector is carried - Give epinephrine in the outer thigh if there are any of the following symptoms (listed in the table on the previous page) - General symptoms - Severe outside symptoms - Any inside symptoms - If you are in doubt, give the epinephrine - After epinephrine is given - Lie down / lie your child down - Call local emergency service and tell them someone is having an allergic reaction - If the reaction continues or worsens, give a second dose of epinephrine in 5 - 15 minutes (there is only 1 dose of epinephrine in each auto injector, a second dose requires a new auto-injector) - Go to the nearest emergency room even if the symptoms are gone because the reaction can worsen or come back - Stay in the hospital for at least 4 - 6 hours of observation ## Outcomes for Shellfish Allergic Patients - The majority of people do not outgrow the shellfish allergy - Repeat skin testing and blood work every 1 - 2 years will help determine if the allergy is outgrown - An oral food challenge (eating shellfish in small steps ONLY in the doctors office) will be offered if your doctor feels it is safe - Shellfish products should NEVER be tried outside of a doctors office to see if the shellfish allergy is outgrown Additional information: [www.anaphylaxis.ca](http://www.anaphylaxis.ca/) or [www.foodallergy.org](http://www.foodallergy.org/)
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