Some classes of drugs include so many agents that hospital formulary committees, managed care organizations and individual practitioners may find it difficult to choose among them. Fifteen beta-adrenergic receptor antagonists (beta-blockers) are now marketed for systemic use in the USA. One or more have been approved by the FDA for use in hypertension and eight other indications.

View the Table: Treatments Considered for COVID-19

Ceftibuten (Cedax - Schering), an oral cephalosporin similar to cefixime (Suprax - Medical Letter, 31:73, 1989), has been approved by the US Food and Drug Administration (FDA) for treatment of acute otitis media, pharyngitis or tonsillitis, and for acute bacterial exacerbations of chronic bronchitis.

Two cholesterol-lowering margarines have been marketed in the USA.

View the Comparison Chart: Some Drugs for HFrEF

Enoxacin (en ox' a sin; Penetrex - Rh ne-Poulenc Rorer), a fluoroquinolone antimicrobial for oral use, has now been marketed in the USA for treatment of urinary tract infections and uncomplicated urethral or cervical gonorrhea.

Rofecoxib, a selective COX-2 inhibitor, has been approved by the FDA for treatment of osteoarthritis, acute pain and menstrual pain.

The FDA has approved a nasal spray fixed-dose combination (Dymista – Meda) of the H₁-antihistamine azelastine (Astelin, Astepro, and generics) and the corticosteroid fluticasone propionate (Flonase, and generics) for treatment of seasonal allergic rhinitis (SAR) in patients ≥12 years old who need both medications for symptomatic relief. It is the first nasal spray to be approved in the US that contains both an H₁-antihistamine and a corticosteroid.

View the Comparison Table: Some FDA-Approved Drugs for Weight Management

The FDA has approved Vtama (Dermavant), a 1% cream formulation of the aryl hydrocarbon receptor (AhR) agonist tapinarof, for treatment of adults with plaque psoriasis. It is the first AhR agonist to be approved by the FDA.