(NEXSTAR) – You may have managed to dodge the dreaded rashes often associated with poison ivy, poison oak or poison sumac, but that doesn’t necessarily mean you’re not allergic. While it’s true that a ...

The red drupe and fuzzy stem of a staghorn sumac. Photo from AdobeStock. All these varieties are found in USDA Plant Hardiness Zones 4-8 and grow best in full sun to partial shade. Penn State ...

When skin touches poison ivy, poison oak or poison sumac plants, the oils from the plant can cause a rash. This rash can be very uncomfortable, itchy and unsightly. The medical name for this rash is ...

Poison ivy is a plant that can cause an itchy rash when touched. Poison ivy, poison oak, and poison sumac all contain urushiol (yoo-ROO-shee-ol), a sticky, colorless, odorless oil. Urushiol is not ...

When skin touches poison ivy, poison oak or poison sumac plants, the oils from the plant can cause a rash. This rash can be very uncomfortable, itchy and unsightly. The medical name for this rash is ...

Just thinking about poison ivy can make you itch. Blistering rashes on your arms and ankles, oozing bumps between your fingers and eyelid-swelling exposures are all-too-familiar summer hazards. Poison ...

Poison ivy, oak, and sumac contain an oil called urushiol that causes an allergic skin rash. These plants can be identified by their leaf structure, though some non-toxic plants look similar. To avoid ...

Gardeners and hikers beware: Poison ivy may look like an unassuming plant, but it's one you're going to want to be able to identify before you wind up with an uncomfortable rash. If you do come home ...

Have you ever spent a long day working in the yard, only to find yourself itching a red rash on your skin hours later? It’s probably poison ivy making its presence known. Poison ivy contains urushiol, ...

One recent hot morning a light wind was blowing yellow leaves off walnut and poplar trees. It had been hot and humid for several days, which accounts for some of the yellow leaves, but these leaf ...