rhus dermatitis
Definition
Noun: * A specific type of contact dermatitis (skin inflammation) caused by contact with plants of the genus Toxicodendron. This genus includes poison ivy, poison oak, and poison sumac. The reaction is an allergic response to the oily resin urushiol found in these plants.
Usage
- "Rhus dermatitis" is a medical and botanical term. It is used in clinical, scientific, and educational contexts to precisely identify the cause of the allergic skin reaction.
- It is a formal term. In everyday conversation, people are more likely to say "poison ivy rash" or "poison oak reaction."
Examples
- The patient presented with severe rhus dermatitis after hiking in the woods.
- Rhus dermatitis is characterized by an itchy, red rash that often forms blisters.
- To prevent rhus dermatitis, learn to identify plants like poison ivy.
Advanced Usage
- The term is often used in differential diagnosis to distinguish this plant-induced allergy from other forms of contact dermatitis (e.g., caused by metals or chemicals).
Variants and Related Words
- Toxicodendron dermatitis: A more precise scientific synonym, directly referencing the plant genus.
- Urushiol-induced contact dermatitis: A causal synonym focusing on the allergenic agent, urushiol.
Synonyms
- Poison ivy/oak/sumac rash (common terms)
- Toxicodendron dermatitis (scientific synonym)
Related Phrases/Idioms
- "Leaves of three, let it be": A common idiom and warning to avoid plants like poison ivy, which is a primary cause of rhus dermatitis.
Noun
-
contact dermatitis resulting from contact with plants of the genus Toxicodendron
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