What is linaclotide (Linzess)? What is linaclotide used for? Linaclotide is an oral medication for the treatment of constipation. It is the first in a new class of drugs called guanylate cyclase-C agonists. It is used for relieving symptoms of irritable bowel syndrome (IBS) with constipation and for treating chronic constipation of unknown cause (idiopathic …
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Nitrofurantoin vs. amoxicillin: What’s the difference? Nitrofurantoin and amoxicillin are antibiotics used to treat urinary tract infections (UTIs). Amoxicillin is also used to treat bacterial infections of the middle ear, tonsils, throat, larynx (laryngitis), bronchi (bronchitis), lungs (pneumonia), and skin. It is also used to treat gonorrhea. Brand names of nitrofurantoin include Macrobid, Macrodantin, and Furadantin. A brand name of …
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What are nasal decongestants? What are the uses of nasal decongestants? Nasal decongestants are used to treat nasal congestion. Nasal decongestants are applied to nasal passages to reduce congestion and discomfort due to allergies and the common cold. Decongestants cause blood vessels in the nasal passages to shrink (vasoconstrict). Vasoconstriction reduces nasal congestion by preventing fluid from draining from blood …
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What is propoxyphene? What is propoxyphene used for? Propoxyphene is indicated for the relief of mild to moderate pain. It is a narcotic pain-reliever and cough suppressant but is weaker than morphine, codeine, and hydrocodone. The precise mechanism of action is not known but may involve stimulation of opioid (narcotic) receptors in the brain. Propoxyphene increases pain tolerance and decreases …
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What is carbamazepine, and how does it work (mechanism of action)? Carbamazepine is an anti-seizure medication. Recurrent seizures (epilepsy) are divided into two main categories according to how much of the brain is involved, either partial or generalized epilepsy (which includes petit mal, grand mal, and myoclonic epilepsy). Seizures are called "simple" if there is no loss of consciousness and …
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What is dronabinol-oral, and how does it work (mechanism of action)? Dronabinol (Marinol) is a man-made compound that contains cannabinoids found in the marijuana plant (Cannabis sativa L). Dronabinol contains tetrahydrocannabinol (THC) in standardized concentrations and does not contain other compounds found in street marijuana that is not approved by the FDA for medical use. Dronabinol activates cannabinoid receptors causing …
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What is sulfamethoxazole, and how does it work (mechanism of action)? Sulfamethoxazole is an anti- bacterial sulfonamide. It prevents the formation of dihydrofolic acid, a compound that bacteria must be able to make in order to survive. Although it was once a very useful antibiotic, it is almost obsolete as a single agent today due to the development of bacterial …
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What is cocaine hydrochloride-topical, and how does it work (mechanism of action)? Cocaine is a naturally occurring chemical found in the leaves of Erythroxylum coca or coca plant, which is native to South America. Coca leaves have been used and abused for hundreds of years. Cocaine is a highly addictive stimulant drug that directly affects the nervous system, including the …
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What is bisoprolol? What is bisoprolol used for? Bisoprolol is used for treating high blood pressure and heart pain (angina). Bisoprolol prevents the neurotransmitters (chemicals that nerves use to communicate with other nerves), norepinephrine and epinephrine (adrenaline), from binding to beta receptors on nerves. Bisoprolol belongs to a class of drugs called beta-adrenergic receptor blocking agents that also includes propranolol …
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What is tadalafil, and how does it work (mechanism of action)? Tadalafil is an oral drug that is used for treating impotence (the inability to attain or maintain a penile erection) and benign prostatic hyperplasia (BPH). It is in a class of drugs called phosphodiesterase-5 (PDE5) inhibitors that also includes sildenafil (Viagra) and vardenafil (Levitra). Erection of the penis is …
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