Itraconazole (eye tra kon’ a zole) Sporanox PREGNANCY CATEGORY C Drug class Antifungal—triazole Therapeutic Actions Binds to sterols in the fungal cell membrane, changing membrane permeability; fungicidal or fungistatic depending…

Isradipine (eyes rad’ i peen) DynaCirc CRDNC PREGNANCY CATEGORY C Drug Classes Antihypertensive Calcium channel blocker Therapeutic Actions Inhibits the movement of calcium ions across the membranes of cardiac and…

Isotretinoin (13-Cis-Retinoic Acid, Vitamin A Metabolite) (eye so tret’ i noyn) AmnesteemDNC, ClaravisDNC, SotretDNC PREGNANCY CATEGORY X Drug Classes Acne product Retinoid (first generation) Vitamin metabolite Therapeutic Actions Decreases sebaceous…

Isosorbide Nitrates (eye soe sor’ bide) Isosorbide Dinitrate Apo-ISDN (CAN), Dilatrate SRDNC, IsochronDNC, Isordil Titradose Isosorbide Mononitrate ImdurDNC, ISMO, Monoket PREGNANCY CATEGORY C PREGNANCY CATEGORY B (IMDUR, MONOKET) Drug Classes…

Dangerous Drug: Isoproterenol (eye soe proe ter’ e nole) Dangerous Drug: Isoproterenol Hydrochloride Isuprel PREGNANCY CATEGORY C Drug Classes Antiasthmatic Beta1– and beta2-adrenergic agonist Bronchodilator Sympathomimetic Vasopressor in shock Therapeutic…

Isoniazid (Isonicotinic Acid Hydrazide, INH) (eye soe nye’ a zid) Isotamine (CAN), Nydrazid PREGNANCY CATEGORY C Drug class Antituberculotic Therapeutic Actions Bactericidal: Interferes with lipid and nucleic acid biosynthesis in…

Isocarboxazid

Iron Sucrose

Iron Dextran DexFerrum, INFeD, Infufer (CAN) PREGNANCY CATEGORY C Drug class Iron preparation Therapeutic Actions Elevates the serum iron concentration and is then converted to Hgb or trapped in the…

Dangerous Drug: Irinotecan Hydrochloride (eh rin oh’ te kan) Camptosar PREGNANCY CATEGORY D Drug Classes Antineoplastic DNA topoisomerase inhibitor Therapeutic Actions Cytotoxic: Causes death of cells during cell division by…