If you know you will be working around
poison ivy, oak, or sumac, you may think about using a
barrier cream or lotion. This will help prevent the plant oil (urushiol) from
contacting your skin and causing a rash (allergic
Products containing bentoquatam (Ivy Block) have been
shown to be highly effective in preventing the rash and reducing its severity.1
Ivy Block should not be used on children younger than age
6 or by anyone who already has a rash from the poison ivy, oak, or sumac
plants. Another product that may help protect against a rash is Hollister Moisture Barrier. You can get these products without a prescription.
Barrier creams and lotions do not completely protect against getting a poison ivy rash.
Gladman AC (2006). Toxicodendron dermatitis: Poison ivy, oak, and sumac.
Wilderness and Environmental Medicine, 17(2):
October 28, 2011
William H. Blahd, Jr., MD, FACEP - Emergency Medicine
& Anne C. Poinier, MD - Internal Medicine & H. Michael O'Connor, MD - Emergency Medicine
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