Stephen J. Schueler, M.D.

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Poison Oak Overview

Another name for Poison Oak is Poison Ivy.

What is poison ivy?
A person with poison ivy has a rash, caused by an allergy to a substance found in a plant. The allergic reaction causes inflammation of the skin, which results in a rash and intense itching. About 9 out of 10 people are allergic to poison ivy, poison oak, or poison sumac.

What are the symptoms of poison ivy?
Symptoms of poison ivy include intense itching and a rash that may form red streaks and blisters on the skin. The skin may become swollen and clear fluid may ooze from the blisters.

How does the doctor treat poison ivy?
Treatment for poison ivy includes oral antihistamines, corticosteroid creams, Calamine lotion, and oral corticosteroids.

Continue to Poison Oak Incidence

Last Updated: Aug 3, 2010 References
Authors: Stephen J. Schueler, MD; John H. Beckett, MD; D. Scott Gettings, MD
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PubMed Poison Oak References
  1. Guin JD. Treatment of toxicodendron dermatitis (poison ivy and poison oak). Skin Therapy Lett. 2001 Apr;6(7):3-5. [11376396]
  2. Stibich AS, Yagan M, Sharma V, Herndon B, Montgomery C. Cost-effective post-exposure prevention of poison ivy dermatitis. Int J Dermatol. 2000 Jul;39(7):515-8. [10940115]
  3. Tanner TL. Rhus (Toxicodendron) dermatitis. Prim Care. 2000 Jun;27(2):493-502. [10815057]
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