Toxocara infection

Presentation

Appropriate Tests

 

Testing is often initiated following the finding of marked and/or persistent eosinophilia in a patient with an unexplained illness. Toxocara Ab. Tissue biopsy may identify larvae, but biopsies are seldom diagnostic.

Visceral larva migrans

 

Ocular larva migrans

Diagnosis suggested by retinal examination and supported by detection of Toxocara Ab.

  • Visual loss

 

  • Strabismus

 

  • Eye pain