DO_infectious_disease_slim DO_rare_slim NCIthesaurus has material basis in has symptom disease has location muscular disease heart disease liver disease eye disease lung disease parasitic helminthiasis infectious disease brain disease toxocariasis Infection by Toxascaris UMLS_CUI:C0023049 SNOMEDCT_US_2025_09_01:87121004 disease_ontology MESH:D007816 DOID:9790 DOID:9791 NCI:C34758 ICD10CM:B83.0 GARD:7788 A parasitic helminthiasis infectious disease that involves zoonotic infection of humans by the larvae of Toxocara canis or Toxocara cati. The larvae invade multiple tissues like liver, heart, lungs, brain, muscle and eyes causing various symptoms including fever, anorexia, weight loss, cough, wheezing, rashes, hepatosplenomegaly, hypereosinophilia and ophthalmologic lesions. Toxocara infection visceral larva migrans Toxocara hepatosplenomegaly weight loss rash anorexia wheezing fever cough heart brain eye lung liver muscle tissue