Poison Ivy | Symptoms

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What does a poison ivy rash look like?

A poison ivy rash will usually begin to appear 1 to 2 days after coming in contact with poison ivy. The affected area will get red and swollen. A day or so later, small blisters will begin to form, and the rash will become very itchy. During this time, it's important to try to keep from scratching the blisters. Bacteria from under your fingernails can get into the blisters and cause an infection. After about a week, the blisters will start to dry up and the rash will start to go away. In severe cases, where the poison ivy rash covers large parts of the body, it may last much longer.

Written by familydoctor.org editorial staff

Reviewed/Updated: 04/14
Created: 06/05

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