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

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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

Though it may look alarming, this condition is not contagious, and it’s usually treated with antifungal creams or shampoos. It can return, so keeping skin clean and dry is essential.

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