CLARTIS – 250 TABLETS with powerful formulation of Clarithromycin 250mg is it works by inhibiting bacterial protein synthesis , thereby stopping the growth of infection-causing bacteria. CLARTIS-250 TABLETS should be taken as prescribed by a qualified healthcare professional.the treatment of various bacterial infections , including respiratory tract infections , ear , nose and throat infections, skin and soft tissue infections, and certain gastrointestinal infections caused by Helicobacter pylori when used in combination therapy.