The Bendex 400 Tablet is used to treat illnesses caused by parasitic worms. An antibiotic called Bendex 400 Tablet aids in the treatment of numerous parasitic worm illnesses. It functions by eliminating the infection-causing parasites and preventing their continued proliferation. Usually, this medication helps you feel better quite soon. Even when you feel better, you should keep taking it as directed to ensure that all parasites are eliminated and do not develop resistance. Generally speaking, this medication is safe to take while pregnant or nursing, but you should check with your doctor.