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Medical problem? Call 1800 022 222. If you need urgent medical help, call triple zero immediately
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beginning of content
8-minute read
Key facts
Rashes are marks or lesions on the skin ā they can be red, pink, purple, flat or bumpy, itchy, scaly or pus filled. They can look different on different skin tones.
Rashes can be caused by infections, allergic reactions, immune-system problems or by reactions to medicines.
Most rashes are harmless and will go away without treatment, but some rashes are more serious and will need to be checked and treated by your doctor.
The treatment of rashes depends on the cause, severity and location of the rash.
If you or your child has a rash as well as difficulty breathing, wheezing, swelling of the tongue and throat, dizziness or collapse, you should see a doctor immediately, or call triple zero (000) and ask for an ambulance.
On this page
What are rashes?
What causes a rash?
Common types of rashes and their symptoms
How are rashes treated?
Can rashes be prevented?
When should I see a doctor?
Resources and support
Related information on Australian websites
What are rashes?
Rashes are marks or lesions on the skin. There are many different types of rashes. They can be on any area of the body, they can be localised or widespread, and there are many different causes of rashes. Rashes can be red, pink, purple, flat or bumpy,
itchy
, dry, scaley,
spidery
or pus filled. Rashes can last for days to weeks. Most are harmless and will go away without treatment. Somes rashes are more serious and will need to be checked and treated by your doctor.
What causes a rash?
There are many causes of rashes. Rashes can be caused by infections such as
STIs
allergic reactions
,
immune system
problems and by reactions to medicines. In children, most rashes are caused by common
viral infections
.
Common types of rashes and their symptoms
Rashes can have different appearances. They can also appear different on different skin tones. Some common skin rashes and their related symptoms include:
Medicine allergy
can cause a widespread symmetrical rash with pink or red dots that may join in patches. This rash can occur within 2 weeks of starting a new medicine.
Contact dermatitis
is caused by direct contact of the skin with a substance that you are allergic to. Your skin can appear red, swollen, blistered or dry, and it may be itchy.
Eczema
(atopic dermatitis) is very common in children but occurs in adults too. It is a disease of the immune system and causes patches of intensely itchy red skin, sometimes with blisters and weepy patches.
Psoriasis
is a chronic immune disorder that causes red plaques with well-defined edges and silvery white scales. The plaques can be a few millimetres or up to a few centimetres across.
Tinea
is caused by a fungal infection and looks like a circular or oval patch, often appearing like a red, scaley ring.
Shingles
occurs due to a reactivation of the
chickenpox
virus, usually many years after the original infection. Shingles begins with pain or burning of the skin followed in 1 to 3 days by a rash of red raised bumps that then blister and crust over. The rash is usually limited to a narrow area of skin.
Hives
are pink or red itchy rashes that appear as raised blotches on the skin. The lesions can be the size of a pin head or the size of a dinner plate. Hives can occur independently or more rarely as part of a more serious allergic reaction called
anaphylaxis
. In anaphylaxis, there will be other symptoms like difficulty breathing or
wheezing
, cough, swelling of the tongue and throat, dizziness and collapse.
Rosacea
is a skin condition that causes redness on the face, usually the cheeks, chin and nose.
If you think someone is having an allergic reaction, call triple zero (000) and ask for an ambulance. If you have access to an allergy action plan, follow it, including using an
adrenaline autoinjector
(such as an
EpiPenā¢
or
Anapenā¢
) if you have one.
CHECK YOUR SYMPTOMS
ā Use the
Symptom Checker
and find out if you need to seek medical help.
How are rashes treated?
The treatment of rashes depends on the cause and severity of the rash. Most rashes in children are viral rashes and need no specific treatment as they will get better on their own. Other rashes may need treatment with one or more medicines, including:
prescription creams, such as steroid,
antibiotic
or antifungal creams
oral antibiotics or antiviral medicines
other oral medicines, such as
antihistamines
, steroids or other medicines that suppress the immune system
moisturising creams and lotions
Can rashes be prevented?
Some rashes can be prevented. For example, if you have eczema, you can prevent flares by moisturising often as well as avoiding triggers, like
stress
, allergens, like
pollen
, and irritants, such as soap or perfumes.
If you have had episodes of contact dermatitis, avoiding the substance that caused the rash can prevent further episodes.
Other types of rashes, like those caused by viruses or problems with the immune system, cannot be prevented.
When should I see a doctor?
If you or your child has a rash as well as difficulty breathing, wheezing, swelling of the tongue and throat, dizziness or collapse, call triple zero (000) and ask for an ambulance.
If your child has a fever and rash at the same time, or if you think they may have
meningococcal
or
measles
, they should see a doctor.
Read more on
serious childhood rashes
and
common childhood rashes
on Pregnancy Birth and Baby.
You should also see a doctor if you have a rash that is not going away by itself, is getting worse or spreading.
Left: Measles rash, Right: Meningococcal rash.
FIND A HEALTH SERVICE
ā The
Service Finder
can help you find doctors, pharmacies, hospitals and other health services.
Resources and support
For more information about the symptoms and management of rashes in children, see the
Royal Childrens Hospital website
.
The
Ethnic Communities Council of NSW
has produced a series of podcasts on caring for common skin conditions, translated in several languages. Find the episode in
your spoken language here
.
For information about the symptoms, causes and management of common rashes in adults and children, see the
University of Queensland website
.
You can also call the
healthdirect helpline
on
1800 022 222
(known as NURSE-ON-CALL in Victoria). A registered nurse is available 24 hours a day, 7 days a week.
Learn more here about the
development and quality assurance of healthdirect content
.
Last reviewed: March 2024
Need more information?
These trusted information partners have more on this topic.
General search results
Results for medical professionals
Top results
Childhood rashes - myDr.com.au
Distinguish between the childhood rashes of rubella (German measles), measles, chickenpox and fifth disease ('slapped cheek' disease).
Read more on myDoctor website
Parsnip rash | National Centre for Farmer Health
Parsnip rash, also called phytophotodermatitis, is a skin condition caused by contact with juice or sap from a causative plant (e.g. parsnip, celery, lime juice).
Read more on National Centre for Farmer Health website
Rash fact sheet | NHMRC
Urgent medical attention is needed if a child has a rash of flat spots that do not whiten if you press on them. The spots can be very small or quite large, and are coloured red or purple. These rashes are caused by burst blood vessels under the skin. They may indicate a serious infection such as meningococcal disease.
Read more on NHMRC website
ACD A-Z of Skin - Notalgia paraesthetica
Notalgia paraesthetica is a disorder where an often intense localised itch occurs without a rash on the mid to upper back between the shoulder blades. It is thought to be due to sensory nerve irritation rather than a primary skin condition. It tends to run a chronic course. There is currently no cure but there are treatments that can help control the itch.
Read more on Australasian College of Dermatologists website
Serious childhood rashes
Childhood rashes are very common and usually nothing to worry about. Learn more about different types of rashes and when to see your doctor.
Read more on Pregnancy,Birth & Baby website
Prurigo of pregnancy
Prurigo of pregnancy is a harmless, itchy, bumpy rash that may develop during pregnancy. It usually appears in the first or second trimester.
Read more on Pregnancy,Birth & Baby website
Common childhood rashes
Childhood rashes, like eczema, ringworm, and impetigo are common. They often vanish on their own. Learn about symptoms and treatments.
Read more on Pregnancy,Birth & Baby website
Kids Health Info : Rashes
Read more on Royal Children's Hospital website
Top results
Common Rashes: An Overview
A rash is an area of skin that has undergone a change in texture or colour and may appear irritated or inflamed. It may be localised, or affect the whole body.
Read more on Ausmed Education website
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[beginning of content]()
# Rashes
*8-minute read*
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**If you or your child has a rash of small, bright-red or purple spots or bruises that do not turn white (blanch) when you push on them, along with a fever, headache, stiff neck or back pain they may have meningococcal infection ā go to your nearest emergency department, or call triple-zero (000) and ask for an ambulance.**
## Key facts
- Rashes are marks or lesions on the skin ā they can be red, pink, purple, flat or bumpy, itchy, scaly or pus filled. They can look different on different skin tones.
- Rashes can be caused by infections, allergic reactions, immune-system problems or by reactions to medicines.
- Most rashes are harmless and will go away without treatment, but some rashes are more serious and will need to be checked and treated by your doctor.
- The treatment of rashes depends on the cause, severity and location of the rash.
- If you or your child has a rash as well as difficulty breathing, wheezing, swelling of the tongue and throat, dizziness or collapse, you should see a doctor immediately, or call triple zero (000) and ask for an ambulance.
## On this page
- [What are rashes?](https://www.healthdirect.gov.au/rashes#what-is)
- [What causes a rash?](https://www.healthdirect.gov.au/rashes#causes)
- [Common types of rashes and their symptoms](https://www.healthdirect.gov.au/rashes#symptoms)
- [How are rashes treated?](https://www.healthdirect.gov.au/rashes#treatment)
- [Can rashes be prevented?](https://www.healthdirect.gov.au/rashes#prevented)
- [When should I see a doctor?](https://www.healthdirect.gov.au/rashes#doctor)
- [Resources and support](https://www.healthdirect.gov.au/rashes#resources)
- [Related information on Australian websites](https://www.healthdirect.gov.au/rashes#searchGeneralResults)
## What are rashes?
Rashes are marks or lesions on the skin. There are many different types of rashes. They can be on any area of the body, they can be localised or widespread, and there are many different causes of rashes. Rashes can be red, pink, purple, flat or bumpy, [itchy](https://www.healthdirect.gov.au/itchy-skin), dry, scaley, [spidery](https://www.healthdirect.gov.au/varicose-veins) or pus filled. Rashes can last for days to weeks. Most are harmless and will go away without treatment. Somes rashes are more serious and will need to be checked and treated by your doctor.
## What causes a rash?
There are many causes of rashes. Rashes can be caused by infections such as [STIs](https://www.healthdirect.gov.au/sexually-transmitted-infections-sti) [allergic reactions](https://www.healthdirect.gov.au/allergies-and-hypersensitivities), [immune system](https://www.healthdirect.gov.au/immune-system) problems and by reactions to medicines. In children, most rashes are caused by common [viral infections](https://www.healthdirect.gov.au/viral-infections).
## Common types of rashes and their symptoms
Rashes can have different appearances. They can also appear different on different skin tones. Some common skin rashes and their related symptoms include:
- **Medicine allergy** can cause a widespread symmetrical rash with pink or red dots that may join in patches. This rash can occur within 2 weeks of starting a new medicine.
- **[Contact dermatitis](https://www.healthdirect.gov.au/contact-dermatitis)** is caused by direct contact of the skin with a substance that you are allergic to. Your skin can appear red, swollen, blistered or dry, and it may be itchy.
- **[Eczema](https://www.healthdirect.gov.au/eczema)** (atopic dermatitis) is very common in children but occurs in adults too. It is a disease of the immune system and causes patches of intensely itchy red skin, sometimes with blisters and weepy patches.
- **[Psoriasis](https://www.healthdirect.gov.au/psoriasis)** is a chronic immune disorder that causes red plaques with well-defined edges and silvery white scales. The plaques can be a few millimetres or up to a few centimetres across.
- **[Tinea](https://www.healthdirect.gov.au/tinea)** is caused by a fungal infection and looks like a circular or oval patch, often appearing like a red, scaley ring.
- **[Shingles](https://www.healthdirect.gov.au/shingles)** occurs due to a reactivation of the [chickenpox](https://www.healthdirect.gov.au/chickenpox) virus, usually many years after the original infection. Shingles begins with pain or burning of the skin followed in 1 to 3 days by a rash of red raised bumps that then blister and crust over. The rash is usually limited to a narrow area of skin.
- **[Hives](https://www.healthdirect.gov.au/hives)** are pink or red itchy rashes that appear as raised blotches on the skin. The lesions can be the size of a pin head or the size of a dinner plate. Hives can occur independently or more rarely as part of a more serious allergic reaction called [anaphylaxis](https://www.healthdirect.gov.au/anaphylaxis). In anaphylaxis, there will be other symptoms like difficulty breathing or [wheezing](https://www.healthdirect.gov.au/wheezing), cough, swelling of the tongue and throat, dizziness and collapse.
- **[Rosacea](https://www.healthdirect.gov.au/rosacea)** is a skin condition that causes redness on the face, usually the cheeks, chin and nose.
**If you think someone is having an allergic reaction, call triple zero (000) and ask for an ambulance. If you have access to an allergy action plan, follow it, including using an [adrenaline autoinjector](https://www.healthdirect.gov.au/how-to-use-an-adrenaline-autoinjector-epipen-anapen) (such as an [EpiPenā¢](https://www.healthdirect.gov.au/medicines/brand/amt,59781000168101/epipen-auto-injector) or [Anapenā¢](https://www.healthdirect.gov.au/medicines/brand/amt,21251000168102/anapen-auto-injector)) if you have one.**
[**CHECK YOUR SYMPTOMS** ā Use the **Symptom Checker** and find out if you need to seek medical help.](https://www.healthdirect.gov.au/symptom-checker)
## How are rashes treated?
The treatment of rashes depends on the cause and severity of the rash. Most rashes in children are viral rashes and need no specific treatment as they will get better on their own. Other rashes may need treatment with one or more medicines, including:
- prescription creams, such as steroid, [antibiotic](https://www.healthdirect.gov.au/antibiotics) or antifungal creams
- oral antibiotics or antiviral medicines
- other oral medicines, such as [antihistamines](https://www.healthdirect.gov.au/antihistamines), steroids or other medicines that suppress the immune system
- moisturising creams and lotions
## Can rashes be prevented?
Some rashes can be prevented. For example, if you have eczema, you can prevent flares by moisturising often as well as avoiding triggers, like [stress](https://www.healthdirect.gov.au/stress), allergens, like [pollen](https://www.healthdirect.gov.au/pollen-allergy), and irritants, such as soap or perfumes.
If you have had episodes of contact dermatitis, avoiding the substance that caused the rash can prevent further episodes.
Other types of rashes, like those caused by viruses or problems with the immune system, cannot be prevented.
## When should I see a doctor?
**If you or your child has a rash as well as difficulty breathing, wheezing, swelling of the tongue and throat, dizziness or collapse, call triple zero (000) and ask for an ambulance.**
If your child has a fever and rash at the same time, or if you think they may have [meningococcal](https://www.healthdirect.gov.au/meningococcal-disease) or [measles](https://www.healthdirect.gov.au/measles), they should see a doctor.
Read more on [serious childhood rashes](https://www.pregnancybirthbaby.org.au/serious-childhood-rashes) and [common childhood rashes](https://www.pregnancybirthbaby.org.au/common-childhood-rashes) on Pregnancy Birth and Baby.
You should also see a doctor if you have a rash that is not going away by itself, is getting worse or spreading.

Left: Measles rash, Right: Meningococcal rash.
[**FIND A HEALTH SERVICE** ā The **Service Finder** can help you find doctors, pharmacies, hospitals and other health services.](https://www.healthdirect.gov.au/australian-health-services)
## Resources and support
For more information about the symptoms and management of rashes in children, see the [Royal Childrens Hospital website](https://www.rch.org.au/kidsinfo/fact_sheets/rashes/).
The [Ethnic Communities Council of NSW](https://eccnsw.org.au/) has produced a series of podcasts on caring for common skin conditions, translated in several languages. Find the episode in [your spoken language here](https://www.healthtranslations.vic.gov.au/resources/caring-for-the-skin-youre-in-podcasts-audio).
For information about the symptoms, causes and management of common rashes in adults and children, see the [University of Queensland website](https://medicine.uq.edu.au/article/2018/03/common-skin-rashes-and-what-do-about-them).
You can also call the [healthdirect helpline](https://www.healthdirect.gov.au/how-healthdirect-can-help-you) on [1800 022 222](tel:1800022222) (known as NURSE-ON-CALL in Victoria). A registered nurse is available 24 hours a day, 7 days a week.
#### Sources:
The University of Queensland *[(Common skin rashes and what to do about)](https://medicine.uq.edu.au/article/2018/03/common-skin-rashes-and-what-do-about-them "Common skin rashes and what to do about")*, The Royal Childrenās Hospital *[(Rashes)](https://www.rch.org.au/kidsinfo/fact_sheets/rashes/ "Rashes")*, Australasian Society of Clinical Immunology and Allergy *[(Hives (urticaria))](https://www.allergy.org.au/patients/skin-allergy/urticaria-hives "Hives (urticaria)")*, Australasian Society of Clinical Immunology and Allergy *[(Anaphylaxis)](https://www.allergy.org.au/patients/about-allergy/anaphylaxis "Anaphylaxis")*
Learn more here about the [development and quality assurance of healthdirect content](https://www.healthdirect.gov.au/about-our-content).
Last reviewed: March 2024
[Back To Top](https://www.healthdirect.gov.au/rashes#backToTop)
## Related pages
- [Viral rash](https://www.healthdirect.gov.au/viral-rash "Viral rash")
## Search our site for
- [Hives](https://www.healthdirect.gov.au/search-results/Hives "Search results for: Hives")
- [Dermatitis](https://www.healthdirect.gov.au/search-results/Dermatitis "Search results for: Dermatitis")
- [Chickenpox](https://www.healthdirect.gov.au/search-results/Chickenpox "Search results for: Chickenpox")
- [Prickly Heat](https://www.healthdirect.gov.au/search-results/Prickly%20Heat "Search results for: Prickly Heat")
- [Seborrhoeic Dermatitis](https://www.healthdirect.gov.au/search-results/Seborrhoeic%20Dermatitis "Search results for: Seborrhoeic Dermatitis")
- [Eczema](https://www.healthdirect.gov.au/search-results/Eczema "Search results for: Eczema")
- [Nappy Rash](https://www.healthdirect.gov.au/search-results/Nappy%20Rash "Search results for: Nappy Rash")
- [Molluscum Contagiosum](https://www.healthdirect.gov.au/search-results/Molluscum%20Contagiosum "Search results for: Molluscum Contagiosum")
- [Toxic plants](https://www.healthdirect.gov.au/search-results/Toxic%20plants "Search results for: Toxic plants")
- [Fifth Disease](https://www.healthdirect.gov.au/search-results/Fifth%20Disease "Search results for: Fifth Disease")
## Need more information?
These trusted information partners have more on this topic.
General search results
Results for medical professionals
Top results
[Childhood rashes - myDr.com.au Distinguish between the childhood rashes of rubella (German measles), measles, chickenpox and fifth disease ('slapped cheek' disease). *Read more on myDoctor website* ](https://mydr.com.au/skin-hair/childhood-rashes/)
[Parsnip rash \| National Centre for Farmer Health Parsnip rash, also called phytophotodermatitis, is a skin condition caused by contact with juice or sap from a causative plant (e.g. parsnip, celery, lime juice). *Read more on National Centre for Farmer Health website* ](https://farmerhealth.org.au/2017/03/20/parsnip-rash)
[Rash fact sheet \| NHMRC Urgent medical attention is needed if a child has a rash of flat spots that do not whiten if you press on them. The spots can be very small or quite large, and are coloured red or purple. These rashes are caused by burst blood vessels under the skin. They may indicate a serious infection such as meningococcal disease. *Read more on NHMRC website* ](https://www.nhmrc.gov.au/about-us/publications/staying-healthy-guidelines/fact-sheets/rash)
[ACD A-Z of Skin - Notalgia paraesthetica Notalgia paraesthetica is a disorder where an often intense localised itch occurs without a rash on the mid to upper back between the shoulder blades. It is thought to be due to sensory nerve irritation rather than a primary skin condition. It tends to run a chronic course. There is currently no cure but there are treatments that can help control the itch. *Read more on Australasian College of Dermatologists website* ](https://www.dermcoll.edu.au/atoz/notalgia-paraesthetica/)
[Serious childhood rashes Childhood rashes are very common and usually nothing to worry about. Learn more about different types of rashes and when to see your doctor. *Read more on Pregnancy,Birth & Baby website* ](https://www.pregnancybirthbaby.org.au/serious-childhood-rashes)
[Prurigo of pregnancy Prurigo of pregnancy is a harmless, itchy, bumpy rash that may develop during pregnancy. It usually appears in the first or second trimester. *Read more on Pregnancy,Birth & Baby website* ](https://www.pregnancybirthbaby.org.au/skin-changes-during-pregnancy-prurigo-of-pregnancy)
[Common childhood rashes Childhood rashes, like eczema, ringworm, and impetigo are common. They often vanish on their own. Learn about symptoms and treatments. *Read more on Pregnancy,Birth & Baby website* ](https://www.pregnancybirthbaby.org.au/common-childhood-rashes)
[Kids Health Info : Rashes *Read more on Royal Children's Hospital website* ](https://www.rch.org.au/kidsinfo/fact_sheets/Rashes/)
Show more
Top results
[Common Rashes: An Overview A rash is an area of skin that has undergone a change in texture or colour and may appear irritated or inflamed. It may be localised, or affect the whole body. *Read more on Ausmed Education website* ](https://www.ausmed.com/learn/articles/rashes)
Show more
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| Readable Markdown | [](https://www.healthdirect.gov.au/)
Healthdirect Free Australian health advice you can count on.
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[beginning of content]()
*8-minute read*
## Key facts
- Rashes are marks or lesions on the skin ā they can be red, pink, purple, flat or bumpy, itchy, scaly or pus filled. They can look different on different skin tones.
- Rashes can be caused by infections, allergic reactions, immune-system problems or by reactions to medicines.
- Most rashes are harmless and will go away without treatment, but some rashes are more serious and will need to be checked and treated by your doctor.
- The treatment of rashes depends on the cause, severity and location of the rash.
- If you or your child has a rash as well as difficulty breathing, wheezing, swelling of the tongue and throat, dizziness or collapse, you should see a doctor immediately, or call triple zero (000) and ask for an ambulance.
## On this page
- [What are rashes?](https://www.healthdirect.gov.au/rashes#what-is)
- [What causes a rash?](https://www.healthdirect.gov.au/rashes#causes)
- [Common types of rashes and their symptoms](https://www.healthdirect.gov.au/rashes#symptoms)
- [How are rashes treated?](https://www.healthdirect.gov.au/rashes#treatment)
- [Can rashes be prevented?](https://www.healthdirect.gov.au/rashes#prevented)
- [When should I see a doctor?](https://www.healthdirect.gov.au/rashes#doctor)
- [Resources and support](https://www.healthdirect.gov.au/rashes#resources)
- [Related information on Australian websites](https://www.healthdirect.gov.au/rashes#searchGeneralResults)
## What are rashes?
Rashes are marks or lesions on the skin. There are many different types of rashes. They can be on any area of the body, they can be localised or widespread, and there are many different causes of rashes. Rashes can be red, pink, purple, flat or bumpy, [itchy](https://www.healthdirect.gov.au/itchy-skin), dry, scaley, [spidery](https://www.healthdirect.gov.au/varicose-veins) or pus filled. Rashes can last for days to weeks. Most are harmless and will go away without treatment. Somes rashes are more serious and will need to be checked and treated by your doctor.
## What causes a rash?
There are many causes of rashes. Rashes can be caused by infections such as [STIs](https://www.healthdirect.gov.au/sexually-transmitted-infections-sti) [allergic reactions](https://www.healthdirect.gov.au/allergies-and-hypersensitivities), [immune system](https://www.healthdirect.gov.au/immune-system) problems and by reactions to medicines. In children, most rashes are caused by common [viral infections](https://www.healthdirect.gov.au/viral-infections).
## Common types of rashes and their symptoms
Rashes can have different appearances. They can also appear different on different skin tones. Some common skin rashes and their related symptoms include:
- **Medicine allergy** can cause a widespread symmetrical rash with pink or red dots that may join in patches. This rash can occur within 2 weeks of starting a new medicine.
- **[Contact dermatitis](https://www.healthdirect.gov.au/contact-dermatitis)** is caused by direct contact of the skin with a substance that you are allergic to. Your skin can appear red, swollen, blistered or dry, and it may be itchy.
- **[Eczema](https://www.healthdirect.gov.au/eczema)** (atopic dermatitis) is very common in children but occurs in adults too. It is a disease of the immune system and causes patches of intensely itchy red skin, sometimes with blisters and weepy patches.
- **[Psoriasis](https://www.healthdirect.gov.au/psoriasis)** is a chronic immune disorder that causes red plaques with well-defined edges and silvery white scales. The plaques can be a few millimetres or up to a few centimetres across.
- **[Tinea](https://www.healthdirect.gov.au/tinea)** is caused by a fungal infection and looks like a circular or oval patch, often appearing like a red, scaley ring.
- **[Shingles](https://www.healthdirect.gov.au/shingles)** occurs due to a reactivation of the [chickenpox](https://www.healthdirect.gov.au/chickenpox) virus, usually many years after the original infection. Shingles begins with pain or burning of the skin followed in 1 to 3 days by a rash of red raised bumps that then blister and crust over. The rash is usually limited to a narrow area of skin.
- **[Hives](https://www.healthdirect.gov.au/hives)** are pink or red itchy rashes that appear as raised blotches on the skin. The lesions can be the size of a pin head or the size of a dinner plate. Hives can occur independently or more rarely as part of a more serious allergic reaction called [anaphylaxis](https://www.healthdirect.gov.au/anaphylaxis). In anaphylaxis, there will be other symptoms like difficulty breathing or [wheezing](https://www.healthdirect.gov.au/wheezing), cough, swelling of the tongue and throat, dizziness and collapse.
- **[Rosacea](https://www.healthdirect.gov.au/rosacea)** is a skin condition that causes redness on the face, usually the cheeks, chin and nose.
**If you think someone is having an allergic reaction, call triple zero (000) and ask for an ambulance. If you have access to an allergy action plan, follow it, including using an [adrenaline autoinjector](https://www.healthdirect.gov.au/how-to-use-an-adrenaline-autoinjector-epipen-anapen) (such as an [EpiPenā¢](https://www.healthdirect.gov.au/medicines/brand/amt,59781000168101/epipen-auto-injector) or [Anapenā¢](https://www.healthdirect.gov.au/medicines/brand/amt,21251000168102/anapen-auto-injector)) if you have one.**
[**CHECK YOUR SYMPTOMS** ā Use the **Symptom Checker** and find out if you need to seek medical help.](https://www.healthdirect.gov.au/symptom-checker)
## How are rashes treated?
The treatment of rashes depends on the cause and severity of the rash. Most rashes in children are viral rashes and need no specific treatment as they will get better on their own. Other rashes may need treatment with one or more medicines, including:
- prescription creams, such as steroid, [antibiotic](https://www.healthdirect.gov.au/antibiotics) or antifungal creams
- oral antibiotics or antiviral medicines
- other oral medicines, such as [antihistamines](https://www.healthdirect.gov.au/antihistamines), steroids or other medicines that suppress the immune system
- moisturising creams and lotions
## Can rashes be prevented?
Some rashes can be prevented. For example, if you have eczema, you can prevent flares by moisturising often as well as avoiding triggers, like [stress](https://www.healthdirect.gov.au/stress), allergens, like [pollen](https://www.healthdirect.gov.au/pollen-allergy), and irritants, such as soap or perfumes.
If you have had episodes of contact dermatitis, avoiding the substance that caused the rash can prevent further episodes.
Other types of rashes, like those caused by viruses or problems with the immune system, cannot be prevented.
## When should I see a doctor?
**If you or your child has a rash as well as difficulty breathing, wheezing, swelling of the tongue and throat, dizziness or collapse, call triple zero (000) and ask for an ambulance.**
If your child has a fever and rash at the same time, or if you think they may have [meningococcal](https://www.healthdirect.gov.au/meningococcal-disease) or [measles](https://www.healthdirect.gov.au/measles), they should see a doctor.
Read more on [serious childhood rashes](https://www.pregnancybirthbaby.org.au/serious-childhood-rashes) and [common childhood rashes](https://www.pregnancybirthbaby.org.au/common-childhood-rashes) on Pregnancy Birth and Baby.
You should also see a doctor if you have a rash that is not going away by itself, is getting worse or spreading.

Left: Measles rash, Right: Meningococcal rash.
[**FIND A HEALTH SERVICE** ā The **Service Finder** can help you find doctors, pharmacies, hospitals and other health services.](https://www.healthdirect.gov.au/australian-health-services)
## Resources and support
For more information about the symptoms and management of rashes in children, see the [Royal Childrens Hospital website](https://www.rch.org.au/kidsinfo/fact_sheets/rashes/).
The [Ethnic Communities Council of NSW](https://eccnsw.org.au/) has produced a series of podcasts on caring for common skin conditions, translated in several languages. Find the episode in [your spoken language here](https://www.healthtranslations.vic.gov.au/resources/caring-for-the-skin-youre-in-podcasts-audio).
For information about the symptoms, causes and management of common rashes in adults and children, see the [University of Queensland website](https://medicine.uq.edu.au/article/2018/03/common-skin-rashes-and-what-do-about-them).
You can also call the [healthdirect helpline](https://www.healthdirect.gov.au/how-healthdirect-can-help-you) on [1800 022 222](tel:1800022222) (known as NURSE-ON-CALL in Victoria). A registered nurse is available 24 hours a day, 7 days a week.
Learn more here about the [development and quality assurance of healthdirect content](https://www.healthdirect.gov.au/about-our-content).
Last reviewed: March 2024
## Need more information?
These trusted information partners have more on this topic.
General search results
Results for medical professionals
Top results
[Childhood rashes - myDr.com.au Distinguish between the childhood rashes of rubella (German measles), measles, chickenpox and fifth disease ('slapped cheek' disease). *Read more on myDoctor website* ](https://mydr.com.au/skin-hair/childhood-rashes/)
[Parsnip rash \| National Centre for Farmer Health Parsnip rash, also called phytophotodermatitis, is a skin condition caused by contact with juice or sap from a causative plant (e.g. parsnip, celery, lime juice). *Read more on National Centre for Farmer Health website* ](https://farmerhealth.org.au/2017/03/20/parsnip-rash)
[Rash fact sheet \| NHMRC Urgent medical attention is needed if a child has a rash of flat spots that do not whiten if you press on them. The spots can be very small or quite large, and are coloured red or purple. These rashes are caused by burst blood vessels under the skin. They may indicate a serious infection such as meningococcal disease. *Read more on NHMRC website* ](https://www.nhmrc.gov.au/about-us/publications/staying-healthy-guidelines/fact-sheets/rash)
[ACD A-Z of Skin - Notalgia paraesthetica Notalgia paraesthetica is a disorder where an often intense localised itch occurs without a rash on the mid to upper back between the shoulder blades. It is thought to be due to sensory nerve irritation rather than a primary skin condition. It tends to run a chronic course. There is currently no cure but there are treatments that can help control the itch. *Read more on Australasian College of Dermatologists website* ](https://www.dermcoll.edu.au/atoz/notalgia-paraesthetica/)
[Serious childhood rashes Childhood rashes are very common and usually nothing to worry about. Learn more about different types of rashes and when to see your doctor. *Read more on Pregnancy,Birth & Baby website* ](https://www.pregnancybirthbaby.org.au/serious-childhood-rashes)
[Prurigo of pregnancy Prurigo of pregnancy is a harmless, itchy, bumpy rash that may develop during pregnancy. It usually appears in the first or second trimester. *Read more on Pregnancy,Birth & Baby website* ](https://www.pregnancybirthbaby.org.au/skin-changes-during-pregnancy-prurigo-of-pregnancy)
[Common childhood rashes Childhood rashes, like eczema, ringworm, and impetigo are common. They often vanish on their own. Learn about symptoms and treatments. *Read more on Pregnancy,Birth & Baby website* ](https://www.pregnancybirthbaby.org.au/common-childhood-rashes)
[Kids Health Info : Rashes *Read more on Royal Children's Hospital website* ](https://www.rch.org.au/kidsinfo/fact_sheets/Rashes/)
Top results
[Common Rashes: An Overview A rash is an area of skin that has undergone a change in texture or colour and may appear irritated or inflamed. It may be localised, or affect the whole body. *Read more on Ausmed Education website* ](https://www.ausmed.com/learn/articles/rashes)
## Disclaimer
Healthdirect Australia is not responsible for the content and advertising on the external website you are now entering.
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Ā© 2026 Healthdirect Australia Limited
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