What is pirfenidone (Esbriet)? What is pirfenidone used for? Pirfenidone (Esbriet) is a prescription medicine used to prevent and improve lung function in idiopathic pulmonary fibrosis, a type of serious lung disease in which the lung progressively develops scar tissue. The mechanism of action of pirfenidone is not understood. Scientists believe that pirfenidone prevents lung …
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What is sofosbuvir and velpatasvir? What is sofosbuvir and velpatasvir used for? Epclusa is an oral tablet containing two drugs used for the treatment of chronic infection with the hepatitis C virus (HCV), genotype 1,2,3,4, 5, or 6 in adults. The components belong to a class of drugs called direct-acting antiviral agents. Similar drugs include boceprevir (Victrelis), sofosbuvir (Sovaldi), simeprevir …
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What is progesterone vaginal gel? What is progesterone gel used for? Intravaginal progesterone gel is used for supplementing or replacing progesterone in infertile women with progesterone deficiency who are receiving treatment utilizing assisted reproductive technology (ART).Progesterone intravaginal gel is also used for the treatment of secondary amenorrhea (absence of menses). Progesterone is a female hormone and is the principal progestational …
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What is cefaclor, and how does it work (mechanism of action)? Cefaclor is a semi-synthetic (partially man-made) oral antibiotic in the cephalosporin family of antibiotics. The cephalosporin family includes cephalexin (Keflex), cefuroxime (Zinacef), cefpodoxime (Vantin), cefixime (Suprax), cefprozil (Cefzil) as well as many injectable antibiotics. Like other cephalosporins, cefaclor stops bacteria from multiplying by preventing bacteria from forming the walls …
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What is butorphanol? What is butorphanol used for? Butorphanol is a synthetic opioid narcotic pain reliever. It prevents pain in a similar way as morphine (MS Contin), hydrocodone (Zohydro), oxycodone (Oxycontin), and other opioids. Like other opioids, it stimulates receptors in the brain to increase the threshold to pain (the amount of stimulation it takes to feel pain) and reduce …
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What is pseudoephedrine, and how does it work (mechanism of action)? Pseudoephedrine is a decongestant used for reducing nasal congestion caused by allergies or the common cold. Pseudoephedrine causes blood vessels in the nasal passages to shrink (vasoconstrict). Vasoconstriction reduces nasal congestion by preventing fluid from draining from blood vessels into nasal passages. Pseudoephedrine also directly stimulates beta-adrenergic receptors and …
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What is zolmitriptan, and how does it work (mechanism of action)? Zolmitriptan is a drug for treating migraine headaches. Migraine headaches are believed to result from dilation of the blood vessels in the brain. Zolmitriptan causes constriction of the blood vessels and thereby relieves the pain of a migraine headache. While zolmitriptan is very effective in relieving migraine headaches, it …
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What is trifluoperazine? What is trifluoperazine used for? Trifluoperazine is an oral antipsychotic medication used for the management of schizophrenia. Trifluoperazine is one of the older, first-generation antipsychotic medications. Examples of other first-generation antipsychotics include: prochlorperazine (Compazine, Compro, Procomp) chlorpromazine (Promapar, Thorazine) perphenazine (Trilafon) thioridazine (Mellaril) Although the exact mechanism of antipsychotics is unknown, scientists believe that they may work …
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What is Dulera? and how does it work (mechanism of action)? Dulera is a combination of inhaled drugs that is used to treat asthma. In patients with asthma, the smaller airways (bronchioles) through which air moves in and out of the lungs can be narrowed by accumulation of mucus, spasm of the muscles that surround these airways, or swelling of …
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What is tranexamic acid? What is tranexamic acid used for? Tranexamic acid promotes the clotting of blood and thereby reduces bleeding due to tooth extractions in people with hemophilia. People with hemophilia bleed easily because they lack a specific blood protein necessary for forming blood clots. Tranexamic acid is a man-made amino acid derivative that increases blood clotting by preventing …
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