or
Erythromycin (EES, E-Mycin): estolate /stearate /base formulations: 250 mg PO q6h or 500 mg PO q12h. Ethylsuccinate salt (EES): 400-800mg q6-12 hours.
Resistant strains (beta-lactamase producing):
Augmentin 875mg orally twice daily or 250-500 mg three times daily