Treatment of infections eg, actinomycoses, biliary tract infections, bronchitis, gastroenteritis (including salmonella enteritis but not shigellosis), gonorrhea, Lyme disease, mouth infections, otitis media, pneumonia, spleen disorders (pneumococcal infection prophylaxis), typhoid & paratyphoid fever & UTI. Prophylaxis for endocarditis & pneumococcal infections. Used when resistance to amoxicillin is prevalent.