Is It Heat Rash or Poison Ivy? Decoding Your Summer Skin Worries
Warm weather brings more opportunities to spend time outdoors, along with a greater chance of developing certain skin rashes. McLaren Greater Lansing family medicine physician Dr. Clio Metakides says the cause of a rash often helps explain its appearance. Heat rash develops when sweat becomes trapped in blocked ducts, while poison ivy causes an allergic reaction to plant oil. Insect bites and sun-related reactions can produce different patterns of redness and itching.
Heat rash may appear in skin folds or areas covered by tight clothing. Poison ivy can create intensely itchy patches or blisters, sometimes in streaks where the plant touched the skin. Insect bites often cause small bumps, although some reactions become more extensive. Swimmer's itch can develop after exposure to certain freshwater environments.
Cooling the skin, wearing breathable clothing and avoiding known irritants can help prevent some summer rashes. Treatment depends on the cause and may include cool compresses or medications recommended by a clinician. Rapidly spreading redness, fever, significant pain or signs of infection should be evaluated. Breathing difficulty or swelling of the lips or tongue after a sting requires emergency care.
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