Poison oak rash is an allergic reaction to the leaves or stems of the western poison oak plant (Toxicodendron diversilobum). Home remedies and medical treatments can help manage symptoms.

poison oak produces small, white, or yellow berries. Poison sumac is less common but more toxic than its counterparts. It grows as a tall shrub or small tree, typically found in wet, swampy areas.

Poison oak has leaves that grow in groups of three, have wavy edges, and fuzzy undersides. A poison oak rash is usually pink or red and will usually appear within 24 hours. You can treat poison ...

The effects range from a small itch to large-scale rashes. Interestingly, some people appear to be immune to the effects of poison oak. The cluster of three oak-like leaves are a hint you may be near ...

Poison sumac is a shrub or small tree that grows in wet ... Poison sumac works the same way as poison ivy and poison oak — all three plants contain an oil called urushiol that causes an allergic ...