Poison Oak, Ivy, Sumac dermatitis: Difference between revisions

Revision as of 08:38, 30 October 2014

ivy
- found east coast- 3 leaf structure
oak
- along Pacific Coast can be tree bush or vine- jet black stain on leaf, 3 leaf structure
sumac
- in swamps- 2 opposing leaflets single terminal leaf

-Ivy Shield, Stokogard, Organoclay, IvyBlock

-Technu Poison Cleanser- may solubilize bound resin several hours post exposure

-Dr Wests Ivy Detox Cleanser chelates urushiol- decreases itching even if have rash

if small can use topical Temovate 0.05%
topical anesthetic- menthol or pramoxine
single IM dose of Triamcinolone or Prednisone taper over 15-20 days
- 60mg x 4d then 50mg x 4d then 40 30 20....Use oral steroid for 3wks until skin turns over
systemic antihistamines
cooling soothing baths
Pentoxifylline- blocks formation of TNF alpha- suppresses allergic patch testing
Put sunscreen first, then prexposure ivy cream, then mosquito repellant

Authors:

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 ==Background==
 [[File:PoisonIvyOakSumac.jpeg|thumbnail]]
-- ivy found east coast- 3 leaf structure
+*ivy
+**found east coast- 3 leaf structure
-- oak- along Pacific Coast can be tree bush or vine- jet black stain on leaf, 3 leaf structure
+*oak
+**along Pacific Coast can be tree bush or vine- jet black stain on leaf, 3 leaf structure
-- sumac- in swamps- 2 opposing leaflets single terminal leaf
+*sumac
+**in swamps- 2 opposing leaflets single terminal leaf
--Mango and Cashews can cross react
-- toxicodendron- antigen is urushiole
-- T- cell mediated delayed hypersensitivity
-- resin carried by smoke of burning leaves
-- resin found in leaves and stems- not surface
-- must break or crush to release resin
-- resin binds in 30sec. After binds cannot wash off
-- lesions start in 48hrs
-- linear array of vesicles
-- vesicle fluid not antigenic
 ==Treatment==