A quick cure for poison ivy is to immediately wash the skin with warm, soapy water, states the American Academy of Dermatology. Washing the skin is crucial as it prevents the oils from the poison ivy from spreading to other parts of the skin and on to clothing.
Applying calamine lotion or hydrocortisone cream can help relieve itching, along with applying cool compresses to the affected skin, according to the American Academy of Dermatology. It notes that it is important to not scratch nor to try to pop blisters because these increase the risk of infection. It is also recommended that all clothing that was worn during poison ivy exposure be washed as well as any surfaces that might have been touched by skin that was exposed to poison ivy. It's necessary to prevent the spread of the plant's oils, as the American Academy of Dermatology stresses.
To help soothe the itching, a poison ivy relief regimen should involve taking short, lukewarm baths throughout the day that have an oatmeal additive in the water, available at drug stores, indicates WebMD. It is important that the skin does not be allowed to dry out as a result of taking baths, so applying moisturizers while the skin is still wet is highly recommended. Medications that can be taken are over-the-counter antihistamine pills or oral hydrocortisone pills. Both help relieve the irritation, according to WebMD.