24 Poison - Ivy and Poison - Oak Dermatitis Steven
نویسنده
چکیده
From the Department Poison-ivy and poison-oak dermatitis are entities well-known to of Dermatology, Un iall primary care physicians, dermatologists, and most of the genrqersity of California, era1 populace in this country. Much has been written about this San Francisco, problem-probably the commonest of all allergic diseases in the School of Medicine. United States. It is a significant occupational affliction in agriculSan Francisco. ture, estimated, in the past, to account for 0.11% of workmen’s California compensation.1 This chapter will review important aspects of the allergen(s), clinical manifestations of the disease, and therapy. The family Anacardiaceae includes plants that probably cause more cases of allergic phytodermatitis than all other plant families combined. The genus Twicodendron is the most notorious of the family, containing the plants which cause dermatitis: poison ivy (Toxicodundrorr rudiwns, Toxicodendron rydbergii), poison oak (To.ricodunrlrorl diwrsilobum. Toxicodendron toxicarium), and poison sumac (Toxicodendron vernix).2 The identification and geographic distribution of these species are detailed in chapter 16.
منابع مشابه
Characterization of 42 Microsatellite Markers from Poison Ivy, Toxicodendron radicans (Anacardiaceae)
Poison ivy, Toxicodendron radicans, and poison oaks, T. diversilobum and T. pubescens, are perennial woody species of the Anacardiaceae and are poisonous, containing strong allergens named urushiols that cause allergic contact dermatitis. Poison ivy is a species distributed from North America to East Asia, while T. diversilobum and T. pubescens are distributed in western and eastern North Ameri...
متن کاملTreatment of toxicodendron dermatitis (poison ivy and poison oak).
Toxicodendron dermatitis results from a reaction to an oil soluble oleoresin that is present in many parts of the poison ivy and poison oak plants. Prophylactic measures include avoidance, protective clothing, barrier creams and hyposensitization. Treatments include washing the area immediately with a solvent suitable for lipids and the use of anti-inflammatory agents, especially corticosteroids.
متن کاملTreatment of Severe Poison Ivy: A Randomized, Controlled Trial of Long Versus Short Course Oral Prednisone
BACKGROUND Toxidendron (poison ivy, oak, and sumac) contact dermatitis is a common complaint in the outpatient primary care setting with little evidence-based guidance on best treatment duration. METHODS This randomized, controlled trial examined the efficacy and side effects of a 5-day regimen of 40 mg oral prednisone daily (short course) compared to the same 5-day regimen followed by a pred...
متن کاملPrevention of poison ivy dermatitis with oral homeopathic Rhus toxicodendron.
Acute allergic contact dermatitis to poison ivy is acommon and miserable dermatosis which affectsmillions of Americans each year. Preventativemeasures, such as avoidance, protective clothing,barrier creams, soaps, and solvents often fail despiteour patients' best attempts. Severe allergic reactionsto poison ivy are a significant source of decreasedemployee productivity owing to inability to wor...
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