For the treatment of infections of the ear, nose, and throat, the genitourinary tract, the skin and skin structure, and the lower respiratory tract due to susceptible (only b-lactamase-negative) strains of <i>Streptococcus</i> spp. (a- and b-hemolytic strains only), <i>S. pneumoniae</i>, <i>Staphylococcus</i> spp., <i>H. influenzae</i>, <i>E. coli</i>, <i>P. mirabilis</i>, or <i>E. faecalis</i>. Also for the treatment of acute, uncomplicated gonorrhea (ano-genital and urethral infections) due to <i>N. gonorrhoeae</i> (males and females).