CLARITEK 250MG SYRUPCLARITEK 250mg Syrup contains Clarithromycin, a macrolide antibiotic used to treat a wide range of bacterial infections. It works by stopping the growth of bacteria, making it effective for respiratory tract infections, throat and sinus infections, ear infections, skin infections, and certain stomach infections caused by Helicobacter pylori. The syrup form makes it especially suitable for children and patients who have difficulty swallowing tablets.