The Most Common Skin Rashes in Older Adults: Causes, Symptoms, and Treatments

• Localized rash right where the irritant touched your skin
• Swelling, itching, or tenderness
• Blisters that may ooze or form crusts

Fortunately, the solution is often straightforward: identify and avoid the trigger. Over-the-counter hydrocortisone creams can help, but for severe cases, prescription treatments may be needed. If a rash keeps returning, see a dermatologist near you for allergy testing.

4. Pityriasis Versicolor: A Lesser-Known but Common Fungal Rash

Not all rashes are red and itchy. Some cause changes in skin color, often appearing as lighter or darker patches on the trunk, neck, or arms. This might be a sign of pityriasis versicolor, a fungal condition caused by the Malassezia yeast — a natural part of our skin flora that can overgrow in warm, humid conditions.

It’s more commonly diagnosed in younger adults, but older adults can develop it too, especially during hot summers or in tropical climates.

Signs of Pityriasis Versicolor:

• Discolored patches of skin (white, pink, or brown)
• Mild flaking or peeling
• Slight itching, especially when sweating

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