Poison ivy, along with poison oak and poison sumac, has an oily coating called urushiol, which often causes redness, swelling ...

Medically reviewed by Stella Bard, MD Rhus tox, also known as Rhus toxicodendron, is a homeopathic remedy derived from the poison oak plant, traditionally used for joint and muscle pain and relieving ...

(NEXSTAR) – You may have managed to dodge the dreaded rashes often associated with poison ivy, poison oak or poison sumac, ...