Phytophotodermatitis
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Contents
Background
- The result of chemicals in certain foods reacting with sunlight to cause an aggrevated "sun-burn" like rash
Common Causative Agents
- Celery
- Parsnip
- Fennel
- Lime
- Carrot
- Mustard
- Parley
- Dill
- Grapefruit
- Lemon
- Fig
- St. John's wort
Clinical Features
- Bizzarre, linear streaking rash that can be painful or burning
- Bullae and vesicles
- Often in a "dripping" pattern or with hand-prints
- Acute phase 3-5 days, may then progress to hyperpigmentation for months
Differential Diagnosis
Diagnosis
- Clinical diagnosis
Management
- Topical steroids (e.g. topical triamcinolone)
Disposition
- Outpatient