Who should take anti-itch medications?

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Your skin may itch for many reasons: an insect bite, dry skin, sunburn, irritation from your clothes detergent, an allergic reaction to poison ivy or a medical condition such as psoriasis. How you treat itchiness depends on the cause. Skin creams and ointments that contain hydrocortisone, a steroid, can relieve itch on a short-term basis. You may use these for up to seven days, but if your itchiness still persists, talk to your doctor.