When poison sumac touches the skin, a susceptible individual may suffer from contact dermatitis. Symptoms of contact dermatitis include a rash, itchy red skin and blisters. Symptoms generally appear within 24 to 48 hours after exposure. Poison sumac grows in bushes along the Mississippi River as well as other swampy regions. The shrub's leaves grow in pairs of seven to 13 on each stem. The oil found on the plant, called urushiol, causes the allergic reaction on skin. Treatment involves making the patient comfortable until the reaction dissipates on its own.
Washing
Washing the skin immediately after touching poison sumac is recommended by MedlinePlus. se warm soap and water to clean skin and underneath fingernails. Once all the allergy -causing urushiol is removed from the skin the condition is no longer contagious. Urushiol must be removed within one hour to avoid contact dermatitis, reports Drugs.com. Eyes must be flushed with water. Clothing, pets and other outdoor items which may have been exposed to the poison sumac plant must also be cleansed to avoid reinfection.
Itch Relief
Cool showers and compresses give itch relief for some people. Apply the compresses or take showers as often as needed for relief. Over-the-counter products may also decrease discomfort. Look for products containing diphenhydramine, such as Benadryl. These medications may cause drowsiness and users should not perform hazardous activities or drink alcohol, advises Drugs.com. Hydrocortisone creams containing 1 percent or more may temporarily relieve itching, advises MayoClinic.com. Anti-itch lotions and creams, such as calamine lotion, can sooth irritated rashes and blisters.
Oatmeal and Baking Soda Remedies
A small amount of uncooked oatmeal or baking soda added to tepid bath water is a quick and inexpensive home remedy, advises MayoClinic.com. Both ingredients may also be mixed with a small amount of water to create a paste. Apply the paste to the skin and allow the mixture to dry. Repeat as necessary for itch relief.
