Larva Migrans, Currens, Loa Loa

Larva migrans
  • Topography: plantar (contact with sand on beach)
  • Distribution: Caribbean, West Africa, East Asia
  • Fine, immobile, serpentine grooves
  • Eczematization with vesicobullous eruptions
  • Infeccio disse para colher hemograma e serologia do strongiloides.
  • Fez Crioterapia e albendazol 400mg 12/12h 4 dias (8 comprimidos)
 
Visceral larva migrans
  • Contamination from ingestion of poorly cooked traditional dishes (fish, frogs, chicken)
  • Thailand, Japan, China
 
Larva currens
  • Predominantly on the lower back and buttocks
  • More stocky and above all fleeting, easily simulating hives
  • Corticosteroid may be fatal because facilitates development of generalized roundworm infection, particularly in the brain)
 
 
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Loiasis (loa loa)
  • Subcutaneous or subconjuntival migration of adult filariae (Loa loa) in the form of a single, long, thin (10cmx1cm) groove that moves rapidly (1cm/min)
  • Calabar edema: elastic, slightly inflammatory, pruritic, fleeting and recurrent edema, confined to the forearm, more rarely to the leg
  • Treatment
    • Ivermectin → careful → risk of immunoallergic encephalitis if microfilaremia is high