Identifying Poison Ivy, Oak, and Sumac The first step in dealing with these plants is proper identification. Each plant has distinct characteristics that can help you recognize and avoid them.

We’ve all had those encounters when we’re walking around in forests. Is that shrub poison oak? We’ve also seen the Batman ...

Like poison ivy and poison sumac, poison oak releases an oil called urushiol when it sustains damage. Your skin absorbs this allergen when you touch the plant. You may be able to reduce symptoms ...

Antihistamines and topical corticosteroids may help relieve symptoms. Poison ivy, poison oak, and sumac grow in wooded and marshy areas. Their sap contains an allergen called urushiol. Urushiol ...