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Dermatitis, Toxicodendron MeSH Descriptor Data 2025
Toxicodendron or Rhus is the genus name for poison ivy; includes poison oak & poison sumac
Scope Note
An allergic contact dermatitis caused by exposure to plants of the genus Toxicodendron (formerly Rhus). These include poison ivy, poison oak, and poison sumac, all plants that contain the substance urushiol, a potent skin sensitizing agent. (From Dorland, 27th ed)
Entry Term(s)
Dermatitis, Poison Ivy
Poison Ivy Dermatitis
Rhus Dermatitis
Toxicodendron Dermatitis
NLM Classification #
WR 175
Public MeSH Note
93; was POISON IVY DERMATITIS 1963-92
Online Note
use DERMATITIS, TOXICODENDRON to search POISON IVY DERMATITIS 1966-92
An allergic contact dermatitis caused by exposure to plants of the genus Toxicodendron (formerly Rhus). These include poison ivy, poison oak, and poison sumac, all plants that contain the substance urushiol, a potent skin sensitizing agent. (From Dorland, 27th ed)