A rare case of Diphyllobothriasis and Megaloblastic anaemia in a middle-aged lady from South India

Tapeworms (Cestoda) continue to be an important cause of morbidity in humans worldwide. Diphyllobothriasis, a human disease caused by tapeworms of the genus Diphyllobothrium, is the most important fish-borne zoonosis caused by a cestode parasite. We report a rare case of Diphyllobothrium latum from South India seen in a middle-aged lady with two month history of vague abdominal pain, spontaneous passage of proglottids in stool, on and off diarrhea and megaloblastic anaemia. Treatment with niclosamide ultimately led to resolution of her symptoms.