Phytophotodermatitis: Difference between revisions
| Line 16: | Line 16: | ||
*St. John's wort | *St. John's wort | ||
==Clinical Features== | ==Clinical Features<ref>Raam et al. "Phytophotodermatitis: The other lime disease." Annals of EM. April 2016. 67(4):554-556</ref>== | ||
*Bizzarre, linear streaking rash that can be painful or burning | *Bizzarre, linear streaking rash that can be painful or burning | ||
*Bullae and vesicles | *Bullae and vesicles | ||
*Often in a "dripping" pattern or with hand-prints | *Often in a "dripping" pattern or with hand-prints | ||
*Acute phase 3-5 days, may then progress to hyperpigmentation for months | *Acute phase 3-5 days, may then progress to hyperpigmentation for months | ||
==Differential Diagnosis== | ==Differential Diagnosis== | ||
Revision as of 10:13, 8 July 2016
Background
- The result of chemicals in certain foods reacting with sunlight to cause an aggrevated "sun-burn" like rash
Common Causative Agents[1]
- Celery
- Parsnip
- Fennel
- Lime
- Carrot
- Mustard
- Parley
- Dill
- Grapefruit
- Lemon
- Fig
- St. John's wort
Clinical Features[2]
- 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
Vesiculobullous rashes
Febrile
- Diffuse distribution
- Varicella (chickenpox)
- Smallpox
- Monkeypox
- Disseminated gonococcal disease
- DIC
- Purpural fulminans
- Localized distribution
Afebrile
- Diffuse distribution
- Bullous pemphigoid
- Drug-Induced bullous disorders
- Pemphigus vulgaris
- Phytophotodermatitis
- Erythema multiforme major
- Bullous impetigo
- Localized distribution
- Contact dermatitis
- Herpes zoster (shingles)
- Dyshidrotic eczema
- Burn
- Dermatitis herpetiformis
- Erythema multiforme minor
- Poison Oak, Ivy, Sumac dermatitis
- Bullosis diabeticorum
- Bullous impetigo
- Folliculitis
Diagnosis
- Clinical diagnosis
Management
- Topical steroids (e.g. topical triamcinolone)
Disposition
- Outpatient