[Toxocariasis].

Up to present time the data concerning toxocariasis++ have been presented. Toxocariasis++ is difficult for diagnosis because of lack of specificity and multiorgan changes due to the invasion by Toxocara canis or cati. We pay attention the problem distribution of this parasitosis in Poland and world is still actual especially among children. We have presented epidemiological data and means diagnosis of this diseases and the treatment patients and prophylaxis has been stressed.