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Over-the-counter antifungal creams: clotrimazole (Lotrimin), miconazole (Micatin), or terbinafine (Lamisil)
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Apply to the rash AND 1–2 inches beyond the border
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Use twice daily for 2–4 weeks—even after symptoms improve
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Severe cases may require prescription oral medication from a doctor
For chafing or contact dermatitis:
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Hydrocortisone cream (1%, over-the-counter) reduces inflammation and itching
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Apply twice daily for up to 7 days only (longer use can thin the skin)
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For severe contact dermatitis, a doctor may prescribe a stronger steroid cream
For heat rash:
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Get out of the heat. Cool the area with a cold compress.
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Stop sweating. Use air conditioning or a fan.
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Calamine lotion can soothe the prickly sensation.
For intertrigo:
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Keep skin folds separated (use a soft cloth or gauze between folds)
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Apply zinc oxide cream (diaper rash cream) to protect raw skin
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Lose weight if obesity is a contributing factor
Step 4: Change Your Daily Habits
Long-term prevention is easier than repeated treatment.