NOTE: Combination products containing two or more active ingredients from the same subclassification are classified in that subclassification (e.g.,triple sulfas in AM650). Products containing two or more active ingredients from different subclassifications are classified under "anti-infectives, other" (e.g., tetracycline and amphotericin B (AM900). Products containing probenecid or clavulanic acid are classified under the subclassification of the antimicrobial agent. Beta-lactam antibiotics not classified under penicillins or cephalosporins are classified (AM130). Excludes topical anti-infectives (DE100), topical anti- infective/anti-inflammatory combinations (DE250), ophthalmic anti-infectives (OP200), ophthalmic anti- infective/anti-inflammatory combinations (OP350), otic anti-infectives (OT100), otic anti-infective/anti- inflammatory combinations (OT250); vaginal anti- infectives (GU300).