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A rash is a skin reaction that changes your skin's color, appearance, or texture. A rash can appear on just one part of your body or all over it. A rash may be the sign of an allergic reaction or infection.

Symptoms of a rash include:

Any medicine has the potential to cause a rash in some people.

Breast cancer treatments that may cause a rash are:

Some pain medications also can cause a rash.

Managing a rash

If you think your rash is an allergic reaction to a medication or a sign of infection, stop taking the medication and call your doctor immediately.

If your rash isn't an allergic reaction, here are some tips to ease any discomfort you may have:

  • Wear loose clothes. Tight clothes can rub and irritate a rash.
  • Wash with mild soap that contains no perfumes to reduce irritation.
  • Pat yourself dry after bathing — don’t rub your skin.
  • Protect your skin with clothing and sunscreen when outdoors.
  • Stop using perfumes, deodorants, body lotions, as well as powders, body oils, and creams that could make the rash worse.
  • Avoid scratching — it could make the rash worse.
  • Ask your doctor about anti-itch creams, antihistamines, and pain relievers to help ease rash discomfort.

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