Poison ivy, poison oak, and poison sumac are three ... over-the-counter treatments like calamine lotion, hydrocortisone cream, and antihistamines can help alleviate itching and inflammation.

If you come into contact with poison ivy, wash the area with soap and water as soon as possible. Soaking in an oatmeal bath and applying anti-itch creams can provide relief from an itchy rash.

Poison ivy has leaves in groups of three ... and over-the-counter creams may help. But if the rash covers more than a small area and doesn't go away after a few days, you should see a board ...