What is tranexamic acid (Lysteda), and how does it work (mechanism of action)? Tranexamic acid (Lysteda) promotes the clotting of blood and thereby reduces bleeding due to heavy menstruation. Tranexamic acid is a man-made amino acid derivative that increases blood clotting by preventing the breakdown of fibrin. Fibrin is a protein and an important component …
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tobramycin ophthalmic solution (Tobrex) Side Effects
What is tobramycin-ophthalmic ointment, and how does it work (mechanism of action)? Tobramycin is an aminoglycoside antibiotic that interferes with bacterial production of proteins, ultimately leading to bacterial death. Tobramycin, like other aminoglycoside antibiotics, targets various gram-positive and gram-negative bacteria. Targeted organisms include Staphylococcus aureus, Staphylococcus epidermidis, Streptococci, Pseudomonas aeruginosa, Escherichia coli, Klebsiella pneumoniae, Enterobacter aerogenes, Proteus mirabilis, Morganella morganii, …
Read More »tegaserod, Zelnorm: Drug Facts, Side Effects and Dosing
What brand names are available for tegaserod? Zelnorm
Read More »tazarotene (Tazorac): Psoriasis Drug Side Effects
What is tazarotene-topical, and how does it work (mechanism of action)? This medication was withdrawn from the US market on March 30, 2007, but it available on a very limited basis for restricted use. Women who would like to be considered for this medication should contact their doctor for an evaluation. Tazarotene is a topical acne and psoriasis medication. The …
Read More »sofosbuvir, Sovaldi to Cure Hep C: Side Effects and Dosing
What is sofosbuvir, and how does it work? Sofosbuvir is an oral, direct-acting antiviral agent used for treating infections with the hepatitis C virus (HCV). Other direct-acting hepatitis C treatments include: boceprevir (Victrelis) telaprevir (Incivek) simeprevir (Olysio) After administration sofosbuvir is first converted to an active form. The active form of sofosbuvir interferes with multiplication of the ribonucleic acid (RNA) …
Read More »terfenadine (Seldane): Drug Facts, Side Effects and Dosing
What brand names are available for terfenadine? Seldane
Read More »zalcitabine, Hivid – discontinued: Drug Facts, Side Effects and Dosing
What is zalcitabine, and how does it work (mechanism of action)? Zalcitabine is an oral medication that is used for the treatment of infections with the human immunodeficiency virus (HIV). It is in a class of drugs called reverse transcriptase inhibitors which also includes lamivudine (Epivir), zidovudine (Retrovir), didanosine (Videx), and stavudine (Zerit). During infection with HIV, the HIV virus …
Read More »telaprevir (Incivek): Facts About Side Effects and Dosage
What is telaprevir, and how does it work (mechanism of action)? Telaprevir is a man-made antiviral medication that targets hepatitis C virus (HCV). Similar drugs include simeprevir (Olysio) and boceprevir (Victrelis). These drugs are called direct-acting antiviral agents because they act directly on hepatitis C virus. They block the replication of hepatitis C virus in human cells by binding to …
Read More »Turnera diffusa (Damiana): Facts About Side Effects
What is damiana (Turnera diffusa)-oral, and how does it work (mechanism of action)? Turnera diffusa is a natural herbal supplement. The exact mechanism of how Turnera diffusa works is not known. Turnera diffusa is believed to have stimulant, antidepressant, mood improving, libido enhancing, euphoric, and nervous system restorative properties. Individuals should consult their doctor before taking Turnera diffusa compounds. What …
Read More »Tacrine: Side Effects and Dosing
What is tacrine, and how does it work (mechanism of action)? Tacrine is an oral medication used to treat patients with Alzheimer's disease. Tacrine is in a class of drugs called cholinesterase inhibitors that also includes rivastigmine (Exelon), donepezil (Aricept), and galantamine (Razadyne – formerly Reminyl). Cholinesterase inhibitors inhibit (block) the action of acetylcholinesterase, the enzyme responsible for the destruction …
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