Poison ivy, oak and sumac all can create itchy rashes from urushiol. What you need to know before the rash starts.

Poison ivy, oak and sumac all can create itchy rashes from urushiol. What you need to know before the rash starts.

Another poison ivy relative, poison sumac is a flowering shrub or woody plant that contains the same ... Poison sumac is found across a large portion of the southeastern and eastern United States ...

Jeff Hoyle points out the garlic mustard's distinctive white flowers. He's a gardener and a former agricultural chemist with ...

The most commonly known poisonous plants are poison ivy, poison sumac and poison oak. English ivy is often overlooked and is used in landscaping as ground cover, but it can be just as dangerous for ...

Summer’s almost here, and that means nuisances: mosquitoes, poison ivy, and visiting relatives. Two cause itching, one causes emotional damage, and it doesn't respond to bug spray. But only poison ivy ...

Rhonda Goodman, PhD, ARNP, FNP-BC, is a Family Nurse Practitioner, The Little Clinic, Deerfield Beach, FL, and a Dermatology Nursing Editorial Board Member. Deborah ...

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