Nitazoxanide is an antiparasitic medication used to treat certain worm infections in kids, but it does not work against all types of worms. It is primarily effective against Cryptosporidium and Giardia, which cause diarrhea, rather than common intestinal worms like roundworms, tapeworms, or pinworms. For other worm infections, doctors may prescribe specific antihelminthic medications like albendazole or mebendazole. Before using nitazoxanide, consulting a pediatrician is essential to determine the correct treatment based on the type of infection. While nitazoxanide is useful for some parasitic infections, it is not a universal solution for all worm-related illnesses in children.