Azithromycin (ay zi thro my’ sin) AzaSite, Zithromax, Zmax PREGNANCY CATEGORY B Drug class Macrolide antibiotic Therapeutic Actions Bacteriostatic or bactericidal in susceptible bacteria; interferes with protein synthesis. Indications Treatment…

Azilsartan Medoxomil (ay’ zil sar’ tan) Edarbi PREGNANCY CATEGORY D (SECOND AND THIRD TRIMESTERS) Drug Classes Angiotensin II receptor blocker Antihypertensive Therapeutic Actions Selectively blocks the binding of angiotensin II…

Azathioprine (ay za thye’ oh preen) Azasan, Imuran PREGNANCY CATEGORY D Drug class Immunosuppressant Therapeutic Actions Suppresses cell-mediated hypersensitivities and alters antibody production; exact mechanisms of action in increasing homograft…

Azacitidine

Axitinib

Avanafil (ah van’ ah fil) Stendra PREGNANCY CATEGORY C Drug Classes Impotence drug Phosphodiesterase-5 inhibitor Therapeutic Actions Selectively inhibits cyclic guanosine monophosphate (cGMP)–specific phosphodiesterase type 5. The mechanism of penile…

Auranofin

Atropine Sulfate (a’ troe peen) Parenteral and oral preparations: AtroPen Ophthalmic solution: Atropine Sulfate Ophthalmic, Isopto Atropine Ophthalmic PREGNANCY CATEGORY C Drug Classes Anticholinergic Antidote Antimuscarinic Antiparkinsonian Belladonna alkaloid Diagnostic…

Atorvastatin Calcium (ah tor’ va stah tin) Lipitor PREGNANCY CATEGORY X Drug Classes Antihyperlipidemic HMG-CoA reductase inhibitor Therapeutic Actions Inhibits HMG-CoA reductase, the enzyme that catalyzes the first step in…

Atovaquone (a toe’ va kwon) Mepron PREGNANCY CATEGORY C Drug class Antiprotozoal Therapeutic Actions Directly inhibits enzymes required for nucleic acid and ATP synthesis in protozoa; effective against Pneumocystis carinii,…