Most of the time, a minor skin rash or itch is not a major medical concern. You may find the uncomfortable irritation and urge to scratch incredibly annoying, however. See your doctor if you suspect an allergic reaction is the cause of your rash or if it does not begin to clear up within a few days. In the meantime, remedies can help with discomfort.
Home Care
You can soothe many minor rashes and itches at home with no need for topical products. Applying a cool compress on your skin can help eliminate the urge to scratch and soothe irritated skin from a rash. If your skin is itchy due to dry skin, eczema or psoriasis, try soaking in a cool bath with uncooked oatmeal or baking soda. Resist scratching your skin as much as possible, as it can lead to further irritation and open wounds. Wearing loose cotton clothing can prevent further skin irritation caused by rubbing fabric. Use mild, unscented soap to wash your skin and avoid wearing cosmetics, scented lotions and perfumes.
Over-the-Counter Products
Calamine lotion can help soothe itchy rashes caused by poison ivy, sumac, oak and contact dermatitis, according to Medline Plus. Lotions containing menthol or camphor can also temporarily relieve itchy skin. Over-the-counter anti-itch creams with hydrocortisone can relieve the urge to scratch your skin and help soothe irritated skin. Oral antihistamines, such as allergy medications, can also relieve itchy skin. Check with your doctor or pharmacist before taking oral antihistamines if you currently take other medications.
Medical Treatment
While most rashes go away on their own, some require medical treatment. A rash may be a common sign of a drug or food allergy that could be serious. Your doctor may prescribe prescription-strength topical anesthetics, including lidocaine or benzocaine, to ease itching and painful rashes. If you have a chronic skin condition such as eczema or psoriasis, your doctor may prescribe topical corticosteroids or special shampoos. Light therapy can also help with eczema and psoriasis by exposing the skin to controlled amounts of natural or artificial sunlight to help clear the affected skin.
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