What is etidronate, and how does it work (mechanism of action)? Etidronate is in a class of drugs called bisphosphonates that is used for treating osteoporosis (reduced density of bone that leads to fractures) and bone pain from diseases such as metastatic breast cancer, multiple myeloma, and Paget's disease. The bisphosphonate class includes alendronate (Fosamax),...
What is fluvastatin, and how does it work (mechanism of action)? Fluvastatin is an oral, cholesterol-lowering drug. It belongs to a class of drugs called HMG-CoA reductase inhibitors, commonly called "statins." Other statins include lovastatin (Mevacor), atorvastatin (Lipitor), simvastatin (Zocor), and rosuvastatin (Crestor). Statins reduce cholesterol by inhibiting an enzyme in the liver (HMG-CoA reductase)...
What is zaleplon, and how does it work (mechanism of action)? Zaleplon is a hypnotic (a medication that induces sleep) that is used for treating insomnia. It is chemically unrelated to the benzodiazepine class of medications for sleep, for example, lorazepam (Ativan), oxazepam (Serax), flurazepam (Dalmane), triazolam (Halcion), and temazepam (Restoril), but it has similar...
What is quinapril? What is quinapril used for? Quinapril belongs in a class of drugs called angiotensin converting enzyme (ACE) inhibitors. ACE inhibitors are used for treating high blood pressure and heart failure and for preventing kidney failure due to high blood pressure and diabetes. Other drugs in this class are enalapril (Vasotec), ramipril (Altace),...
What is nortriptyline? What is nortriptyline used for? Nortriptyline is in the class of drugs called tricyclic antidepressants (TCAs) and is used for treating depression. Other drugs in the same class include: amitriptyline (Endep, Elavil), clomipramine (Anafranil), doxepin (Sinequan), imipramine (Tofranil), trimipramine (Surmontil), amoxapine (Amoxapine), desipramine (Norpramin), and protriptyline (Vivactil). Individuals with depression may have...
What is azelaic acid gel, and how does it work (mechanism of action)? Azelaic acid is a topical (applied to the skin) medication used for treating acne. Its exact mechanism of action is unknown. Azelaic acid may work as an antibacterial agent that blocks protein synthesis and therefore growth of Propionibacterium acnes and other bacteria...
What is clonidine, and how does it work? Clonidine (Catapres, Catapres-TTS) is an oral and topical (applied to the skin) medication prescribed by a doctor for the treatment of high blood pressure (hypertension). It acts by stimulating receptors on nerves in the brain that reduces the transmission of messages from nerves in the brain to...
What is bisacodyl-rectal suppository, and how does it work (mechanism of action)? Bisacodyl is a stimulant laxative. It stimulates the muscles in the wall of the small intestine and colon to generate a bowel movement. It also alters water and electrolyte levels in intestines, increasing the level of fluids which also produce a laxative-like effect....
What is aminophylline, and how does it work (mechanism of action)? Aminophylline is a methylxanthine bronchodilator composed of theophylline (Respbid, Slo-Bid, Theo-24, Theolair) and ethylenediamine. The mechanism of action of aminophylline is not completely understood. Theophylline relaxes smooth muscle in the respiratory tract and suppresses airway stimuli. Theophylline also increases contraction of diaphragm muscles by...
What is clomiphene, and how does it work (mechanism of action)? Clomiphene is an oral medication used for stimulating ovulation. It binds to estrogen receptors in the hypothalamus, pituitary gland, ovary, endometrium, vagina, and cervix. It causes production of hormones (gonadotropins) by the pituitary which stimulates ovulation. The FDA approved clomiphene in February 1967. What...