What is ketorolac-oral, and how does it work (mechanism of action)? Ketorolac is a member of a class of drugs called nonsteroidal anti-inflammatory drugs (NSAIDs) that are used for treating inflammation and pain. Other drugs in this class include ibuprofen (Motrin) and naproxen (Naprosyn, Aleve), but ketorolac is more effective than other NSAIDs in reducing …

What is losartan and hydrochlorothiazide, and how does it work (mechanism of action)? Hyzaar is a combination of losartan (Cozaar) and hydrochlorothiazide and is used for treating high blood pressure. Losartan is an oral medication that belongs to a class of drugs called angiotensin receptor blockers (ARBs). Other ARBs include irbesartan (Avapro), valsartan (Diovan), and candesartan (Atacand). Angiotensin, formed in …

What is Flomax (tamsulosin) drug? Flomax (tamsulosin) is an oral drug for the treatment of men who are having difficulty urinating because of enlarged prostates from benign prostatic hyperplasia (BPH). Why is Flomax (tamsulosin) prescribed to patients? Flomax is used to treat men who are having problems urinating because of benign prostatic hyperplasia (BPH). Flomax is not approved for the …

What is febuxostat, and how does it work (mechanism of action)? Febuxostat is a xanthine oxidase inhibitor used for treating gout caused by excessive levels of uric acid in the blood (hyperuricemia). Uric acid is formed from the breakdown of certain chemicals (purines) in the body. Hyperuricemia occurs when the body produces more uric acid than it can eliminate. The …

What is cyclosporine-ophthalmic, and how does it work (mechanism of action)? Restasis ophthalmic emulsion is a prescription eye drop that helps patients increase their eyes’ natural ability to produce tears. It is used to treat a type of chronic dry eye condition caused by inflammation. Cyclosporine, the medicine in Restasis, is also available in oral and injectable formulations that are …

What is captopril, and how does it work (mechanism of action)? Captopril is an oral drug and a member of a class of drugs called angiotensin converting enzyme (ACE) inhibitors. ACE inhibitors are used for treating high blood pressure, heart failure, and for preventing kidney failure due to high blood pressure and diabetes. Other ACE inhibitors include enalapril (Vasotec), quinapril …

What is buspirone (Buspar)? How does it work (mechanism of action)? Buspirone is a medication that is used for the treatment of anxiety. Its mechanism of action is not clearly understood but may involve effects on neurotransmitters, chemicals that nerves use to communicate with one another. Serotonin and dopamine are two of these neurotransmitters. Buspirone may work by stimulating serotonin …

What is benzonatate, and how does it work (mechanism of action)? Benzonatate is a medication taken orally to suppress coughs. It has an anesthetic (numbing) action similar to that of benzocaine and numbs the stretch sensors in the lungs. It is the stretching of these sensors with breathing that causes the cough. Benzonatate begins to work within 15 to 20 …

What is baclofen, and how does it work (mechanism of action)? Baclofen is an oral and injectable medication that relaxes skeletal muscles, the muscles that move the skeleton (and also called striated muscle). Chemically, baclofen is related to gamma-aminobutyric acid (GABA), a naturally occurring neurotransmitter in the brain. Neurotransmitters are chemicals that nerves use to communicate with one another. GABA …

What is arnica (Arnica montana)-topical, and how does it work (mechanism of action)? Arnica montana is a homeopathic topical pain relief agent. Its mechanism of action is not well known. Arnica preparations have shown wound healing, antiseptic, anti-inflammatory, and pain relieving properties. Arnica’s actions may be due to two chemicals called helenalin and dihyrdohelenalin. These chemicals may modify the action …