Sumac rashes which are also known as contact dermatitis are allergic reactions and are developed due to the direct contact with a type of poison called sumac. The rashes will be itchy, red and uncomfortable and they usually develops in streaks or lines. Since, they developed due to the contact with plant, it is also called plant dermatitis.

Sumac is a noxious weed with red veins on the leaves and produce grey or white, small berries. Poison sumac contains oil called urushiol in every part including the leaves, flowers, stems, berries, roots etc.

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Urushiol is an allergen which when comes in contact with the body produces an allergic reaction in some people. Even indirect contact with urushiol leads to rashes on the skin.

Sumac Rash And Its Effects On The Skin

Identify Sumac Rash

The rashes normally develop one or two days after the exposure to sumac, but may even appear after fifteen days of direct contact. The first symptoms include curved lines of itchy red bumps, which continue to last for two to three weeks.

The extend of severity of the symptoms depends upon the reaction of the patient towards urushiols and the quantum of the resin that comes in contact with the skin.

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Rashes will develop only on the points of contact with sumac and the rashes will start to itch in one or two days and if the bumps are scratched, it breaks open and releases oil.

Once the bumps breaks, it starts to swell up and forms blister. On scratching the blisters, it creates burning sensations and causes more pain. In very rare cases it affects the airways, eyes and lungs. Sumac rashes are not contagious nor does it spread from a broken blister.

First Aid

Whenever there is a direct or indirect contact with sumac, wash the area with warm water and soap and this should be done within thirty minutes of contact with the poison. Also scrub the fingernails with brush to remove the traces of oil.

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Wash the shoe, clothes and also bathe the pet animals to get rid of even the traces of plant oil. Sweating or body heat may aggravate the symptoms, hence try to remain cool and apply cool compress on the affected parts.

Oatmeal bath is a good solution for itching. Similarly hydrocortisone, antihistamines and calamine lotion are also good for itching.

When To Seek Medical Assistance

If there are rashes over large areas of the body or if there are rashes on eyes, mouth and genitals or if the rashes gets infected, or if there is any dizziness or difficulty in breathing etc. you should seek medical assistance immediately.

Your doctor may prescribe topical corticosteroids, oral corticosteroids, oral antihistamines and even antibiotics, depending upon the severity of the symptoms.

Some best methods to avoid sumac rashes is, to avoid contact with these plants, and wear proper clothing such as gloves, long pants and long sleeves while going closer to plants. Take a warm water bath immediately after returning from such places. Also bathe your pets regularly to prevent the spreading of oil from their fur.