<prompt> Drug of choice for medical treatment of hydatid cyst of liver isPraziquantelThiabendazoleIvermectinAlbendazole  <response>: Ans. d Albendazole. Ref. Harrison, Medicine, 18th Table 208-1Albendazole is a broad spectrum, single dose anti-helminthic drug.Used in treatment of:Ascariasis, hookworm, tapeworm, enterobius, strongylodoisis, trichuris infestations. Trichinosis Neurocysticercosis DOC, however it should not be used in ocular cysticercosis as blindness can occur due to reaction. Hydatid disease DOC--MH 2006.Q FilariasisALBENDAZOLEUsed in Parasitic InfectionsAdverse EffectsMajor Drug-InteractionsAscariasis, clonorchiasis, cutaneous larva migrans, cysticercosis, echinococcosis, enterobiasis, eosinophilic enterocolitis, gnathostomiasis, hookworm, lymphatic filariasis, microsporidiosis, strongyloidiasis, trichinellosis, trichostrongyliasis, trichuriasis, visceral larva migrans.Nausea, vomiting, abdominal pain, headache, reversible alopecia, elevated aminotransferases. Rare: leukopenia,rashDexamethasone, praziquantel: plasma level of albendazole sulfoxide increased by 50 