Poison ivy, oak, and sumac: What does the rash look like?
https://www.aad.org/public/everyday-care/itchy-skin/poison-ivy/what-rash-looks-like
WebHow long does a rash from poison ivy, oak, or sumac last? How long you have a rash depends on whether you’ve had a rash from one of these plants before. Here’s the general rule: Previous rash from poison ivy, oak, or sumac: The rash tends to last 1 to 14 days before it clears on its own.
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