Toxicodendron radicans; poison ivy
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Introduction
Poisonous plant containing the toxin urushiol which causes allergic contact dermatitis.
Laboratory
Management
- barrier products prevent contact of urushiol with skin
- bentoquatam (Ivy Block) is of some benefit[2]
- soap & water after exposure
- wash, clothes, tools, shoe laces
- dogs in contact with poison oak or poison ivy may spread urushiol to those that have contact with them
- Zanfel, an OTC wash allegedly binds & removes urushiol from skin after exposure, but data is lacking[2]
- glucocorticoids[2]
- topical if prior to formation of vesicles
- oral glucocorticoids for severe cases involving face, genitals or > 25% body surface
- prednisone 60 mg PO QD X 4 days (adults), then decrease dose by 10 mg every 2 days
- prednisone 1-2 mg/kg QD for 7-10 days (children)
- then taper over 7-10 days
More general terms
Additional terms
References
- ↑ Stedman's Medical Dictionary 26th ed, Williams & Wilkins, Baltimore, 1995
- ↑ 2.0 2.1 2.2 2.3 Prescriber's Letter 12(7): 2005 Management of Poison Ivy Detail-Document#: http://prescribersletter.com/(5bhgn1a4ni4cyp2tvybwfh55)/pl/ArticleDD.aspx?li=1&st=1&cs=&s=PRL&pt=3&fpt=25&dd=210706&pb=PRL (subscription needed) http://www.prescribersletter.com