class="Serp__item__snippet--34vQF">A new macrolide drug, clarithromycin (Biaxin) was compared with amoxicillin/clavulanate (Augmentin) in a single-blind (investigator-blind), randomized, multicenter study of 497 outpatients with acute maxillary sinusitis; treatment was 500 mg clarithromycin bid (n =...