Poison oak rash is an allergic reaction to the leaves ... depending on the time of year. Like poison ivy and poison sumac, poison oak releases an oil called urushiol when it sustains damage.

Poison ivy oil can spread quickly and easily (just like poison oak does). Poison ivy rash can spread from clothes, skin ...

Poison ivy and poison oak are two other commonly known poisonous plants that can cause a rash, but they look different from poison sumac. Poison ivy typically has three shiny green leaves (or red ...

In more severe cases, your doctor may prescribe you pills to help reduce swelling, relieve itching, or fight a bacteria infection. Other symptoms to note: A poison ivy rash is extremely itchy and ...

Rhonda Goodman, PhD, ARNP, FNP-BC, is a Family Nurse Practitioner, The Little Clinic, Deerfield Beach, FL, and a Dermatology Nursing Editorial Board Member. Deborah ...

Amanda Gardner is a health reporter whose stories have appeared in cnn.com, health.com, cnn.com, WebMD, HealthDay, Self Magazine, the New York Daily News, Teachers & Writers Magazine, the Foreign ...

Poison ivy, poison oak, and sumac grow in wooded and ... OTC topical treatments, such as calamine lotion and hydrocortisone, can help relieve itching and swelling. A doctor may prescribe an ...

usually an itchy rash. A mild reaction might last 5 to 12 days. A more serious reaction can last 30 days or even longer. Most people don't come into contact with poison ivy, oak, or sumac on purpose.

From eczema to allergic reactions to bug bites, here’s what common skin rashes look like in photos, and the symptoms that can help you I.D. the condition.