Slide show: Poison ivy and other summer skin irritants
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Chiggers are tiny mites found in tall grass and weeds. If you brush against infested plants, chiggers might attach to your pant cuffs or shirt sleeves and make their way onto your skin. They fall off after a few days, leaving behind clusters of itchy, pink bumps. When scratched, chigger bites can become red and crusty.

Chigger bites usually heal on their own within one to two weeks. In the meantime, control itching with calamine lotion or an over-the-counter anti-itch cream, such as hydrocortisone cream. Placing plastic wrap around the area treated with hydrocortisone cream might improve the treatment's effectiveness.

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