A rash causes reddening of the skin and can be itchy.

There are many different kinds of rash. They have a variety of causes – such as diseases, allergies and fungal infections.

Find out about some causes of rashes on the pages below.

When to see your doctor

See your doctor if:

  • you’re worried about your rash and how to treat it
  • your rash is caused by a disease or infection that needs treatment.

Call Healthline 0800 611 116 if you’re unsure what you should do.

More about rashes

DermNet New Zealand Trust’s Dermnet website has detailed information on different skin rashes.

The Ministry of Health is grateful to the DermNet New Zealand Trust for permission to link to its Dermnet website.

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