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Rash facts

  • Rash is not a specific diagnosis. Instead it refers to any sort of inflammation and/or discoloration that distorts the skin's normal appearance.
  • Common rashes include eczema, poison ivy, hives, and athlete's foot.
  • Infections that cause rashes may be fungal, bacterial, parasitic, or viral.
  • Over-the-counter products may be helpful treatments for many skin rashes.
  • Rashes lasting more than a few days that are unexplained should be evaluated by a doctor.

What are the causes, symptoms, and signs of common noninfectious rashes?

Some common, noninfectious rashes are listed on the following pages. If you have a new rash and you have a fever or some other generalized illness associated with it, it would be best to see your doctor.

Reviewed on 5/2/2017

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