Triclabend 250mg tablets are used to treat fascioliasis, an infection caused by liver flukes, also known as Fasciola hepatica. These flukes typically live in the liver and bile ducts, causing symptoms like abdominal pain, loss of appetite, and jaundice. Triclabendazole, the active ingredient in Triclabend 250mg tablets, is an anthelmintic that works by killing the liver fluke.