Start with a cool compress
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Allergic reactions on the skin usually show up as a red, itchy skin rashes. The skin can sometimes feel warm to the touch, and the symptoms appear when you come in contact with a substance that the skin mistakes for a threat. Poison ivy is one of these, but soaps, moisturizers, and even clothing can cause an allergic reaction. Home remedies for allergic skin reactions are among the best treatments. You can use cool compresses to ease the pain and itchiness. (Make sure you never, ever do these things to your skin, according to dermatologists.)
Soak in an oatmeal bath
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Bathing the skin in colloidal oatmeal has also shown good results in providing relief for allergic skin rashes. “Oatmeal is a humectant, meaning it helps moisturize skin, and it contains inflammation-quelling compounds,” Ranella Hirsch, MD a Boston dermatologist, told Prevention. Oatmeal baths are also great home remedies for eczema and psoriasis. Add one to two cups of colloidal oatmeal to slightly warm water and soak for half an hour. Be sure not to use hot water, as it can make the itchiness worse.