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Non-Specific Leg Rash

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Last updated October 27, 2021

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What is a nonspecific leg rash?

Common causes of a rash on your leg are contact dermatitis, sun damage, or an allergic reaction. However, many rashes are a symptom of disease and should not be ignored.


Nonspecific rashes have widely varied symptoms, including:

  • Flat and smooth
  • Slightly raised or with swollen welts
  • Clean and dry
  • Blistered and oozing
  • Spread widely over the body
  • Be confined to the leg
  • May appear after eating certain foods; or after exposure to certain plants or to insect stings or bites.
  • Other symptoms may be present, including pain anywhere in the body, nausea, vomiting, fever, headache, or abdominal pain and upset.


You can take a wait and see approach if you don’t have any serious bodywise symptoms. If you see a doctor, they will do a patient history and physical examination to determine the exact type, location, and history of the rash, along with any other symptoms you may have.

Skin swabs may be taken and tested. Treatment will depend on what caused the rash.

You can use over-the-counter topical cortisone creams to help with the itch and inflammation.  These can be used on dry rashes to relieve itching and prevent secondary infections which can be caused by scratching.

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