ID reaction
ID reaction
Updated: 02/25/2021
© Jun Wang, MD, PhD
General features
- Also called autoeczematization, eczematous reaction
- Occurs at a site distant to the location of a prior existing inflammatory rash
- Generalized acute reaction to variety of stimuli, including infection or inflammation
- More commonly seen in elder patients who neglected a primary rash
Pathogenesis
- Associated with abnormal immune activity
Clinical features
- Usually 1-2 weeks after primary infection/dermatitis
- Generalized pruritic, erythematous, morbilliform,or papulovesicular rash
Management
- Treat underlying infection or dermatitis
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