Cutaneous larva migrans
Background
- Caused by movement of hookworm larvae through epidermis[1]
- Ancylostoma caninum and Ancylostoma braziliense are most common pathogens
- Typically occurs due to contact with dog/cat feces in soil/sand
- More common in warm/tropical areas
Clinical Features
- Pruritis serpiginous eruption[1]
- Usually unilateral, but can be bilateral
Differential Diagnosis
- Papules
- Insect bites
- Scabies
- Seabather's eruption
- Cercarial dermatitis (Swimmer's Itch)
- Macular
- Sub Q Swelling and Nodules
- Ulcers
- Tropical pyoderma
- Leishmaniasis
- Mycobacterium marinum
- Buruli ulcer
- Dracunculiasis (Guinea Worm disease)
- Linear and Migratory Lesions
- Cutaneous larvae migrans
- Photodermatitis
See also domestic U.S. ectoparasites
Diagnosis
- Clinical diagnosis, based on history and physical exam
Management
- Self-limited condition - larvae die within 2-8 weeks[1]
- Albendazole 400mg PO QD x3-5 days OR Ivermectin 12mg PO x1 OR topical thiabendazole TID x15 days
Disposition
- Discharge