Acute allergic contact dermatitis. How to manage severe cases.

@article{Wooldridge1990AcuteAC,
  title={Acute allergic contact dermatitis. How to manage severe cases.},
  author={Wilfred E. Wooldridge},
  journal={Postgraduate medicine},
  year={1990},
  volume={87 4},
  pages={
          221-4
        }
}
An understanding of the causes and course of acute allergic contact dermatitis aids in recognition of this common problem. The most frequent cause is the Rhus group (poison ivy, oak, and sumac), and a large percentage of the US population is sensitized to this group of allergens. With severe cases, prompt administration of systemic corticosteroids alleviates discomfort and shortens the course of disease. Local treatment may give added relief. However, no treatment is as satisfactory as… 
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With a basic understanding of the types of reaction and the common plants that cause each type, physicians can help patients discover the source of the dermatitis and thus prevent reexposure.
Toxicodendron Dermatitis: Poison Ivy, Oak, and Sumac
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This review considers the epidemiology, identification, immunochemistry, pathophysiology, clinical features, treatment, and prevention of this common dermatologic problem.
Rhus (Toxicodendron) dermatitis.
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It is found that a tapering dose of prednisone over 12 days has not been associated with another flare-up of symptoms in severe cases of Rhus dermatitis.
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It is suggested that a longer course prescription may save patients’ time and exposure to excess medication in the treatment of severe poison ivy and reduce excess non-prescription medication administration to individual patients.
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Despite recommendations to treat TD with oral steroids for at least 14 days, most emergency clinicians offered this treatment for shorter durations and was associated with return visits, so emergency clinicians should consider treatment of two to three weeks when providing systemic steroid coverage when there are no limiting contraindications.