What is guarana (Paullinia cupana)-oral, and how does it work (mechanism of action)? Guarana is a natural herbal supplement. The exact mechanism of how guarana works is not known. Guarana contains more than 2.5% to 5% caffeine by weight. Caffeine is a stimulant and is most likely responsible for most of guarana's effects. There is …
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What is efalizumab, and how does it work (mechanism of action)? Efalizumab is a synthetic (man-made) antibody that is used for the treatment of psoriasis. Psoriasis is a disease of the skin in which the cells of the skin reproduce more rapidly than normal. This increased reproduction is thought to be stimulated by activation of the immune system, in particular, …
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What are PEG and electrolytes? PEG and electrolytes are oral solutions used prior to colonoscopy and other examinations or procedures to cleanse the intestines, in particular, the large bowel or colon. The PEG remains in the intestines where it retains water by producing an osmotic effect. This causes a watery stool, in fact, diarrhea, which rapidly cleanses the bowel within …
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What is feverfew (tanacetum parthenium)-oral, and how does it work (mechanism of action)? Tanacetum parthenium is an herb. The leaves are used as a natural herbal supplement. Tanacetum parthenium contains parthenolide, which works on serotonin receptors in the brain, giving relief from migraine headaches. Tanacetum parthenium is also believed to have anti-inflammatory, pain relieving, and anti-histamine effects. Check with your …
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What is becaplermin, and how does it work (mechanism of action)? Becaplermin is a gel applied topically to diabetic ulcers on the lower limbs (foot, ankle, and leg) to promote healing of the ulcers. It belongs to a class of man-made drugs called platelet-derived growth factors or PDGFs that are similar to naturally-occurring PDGFs. Becaplermin is made using recombinant DNA …
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What is Cylert (pemoline), and how does it work? Cylert (pemoline) is a central nervous system stimulant used to treat attention deficit hyperactivity disorder (ADHD). The brand name Cylert is no longer available in the U.S. Generic versions may be available. Cylert (pemoline) is a central nervous system stimulant. Pemoline is structurally dissimilar to the amphetamines and methylphenidate. It is …
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What is miglitol, and how does it work (mechanism of action)? Miglitol is an oral medication used to control blood glucose (sugar) levels in type 2 diabetes. It belongs to a class of drugs called alpha-glucosidase inhibitors which also includes acarbose (Precose). Carbohydrates that are eaten are digested by enzymes in the intestine into smaller sugars which are absorbed into …
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What is procainamide, and how does it work (mechanism of action)? Procainamide is an injectable antiarrhythmic drug that is used to correct disturbances in the heart's rhythm. Three actions are responsible for its ability to correct disturbances of rhythm and prevent their recurrence. Procainamide decreases the speed of electrical conduction through the heart muscle, prolongs the electrical phase during which …
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What is salsalate, and how does it work (mechanism of action)? Salsalate is a nonsteroidal anti-inflammatory drug (NSAID) that is used for treating fever, pain, and inflammation in the body. Salsalate is converted in the body to salicylic acid which is its active form and is closely related to aspirin. Other NSAIDs include ibuprofen (Motrin), indomethacin (Indocin), nabumetone (Relafen), naproxen …
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What is beclomethasone dipropionate inhaler, and how does it work? Beclomethasone is a synthetic steroid drug of the glucocorticoid family. The naturally-occurring glucocorticoid (cortisol or hydrocortisone) is produced in the adrenal glands. Glucocorticoid steroids have potent anti-inflammatory actions. When used as an inhaler, the medication goes directly into the lungs, and very little finds its way into the rest of …
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