What is mifepristone, and how does it work (mechanism of action)? Mifepristone is a synthetic steroid with antiprogesterone and antiglucocorticoid effects. It is used for terminating pregnancy and treating people with Cushing syndrome. Progesterone is a female hormone and the principal progestational hormone. Progesterone prepares the uterus (the womb) to receive and sustain the fertilized …

What is leuprolide, and how does it work (mechanism of action)? Leuprolide is an injectable, man-made hormone that is used for treating prostate cancer, endometriosis, central precocious puberty (early onset of puberty), and fibroids. It is similar to but stronger than human gonadotropin releasing hormone (GnRH). GnRH is made in the hypothalamus (a part of the brain) and travels to …

What is letrozole, and how does it work (mechanism of action)? Letrozole is an oral, anti-estrogen drug that is used for treating postmenopausal women with breast cancer. The growth of some breast cancers in postmenopausal women is promoted by estrogens that circulate in the blood, and the adrenal glands are the main source of these circulating estrogens. Letrozole inhibits the …

What is dextrose solution-intravenous, and how does it work (mechanism of action)? Dextrose monohydrate is sterile intravenous solution for fluid replenishment. Intravenous administration of dextrose solution provides a source of water and glucose ( sugar), giving patients fluid and energy. What brand names are available for dextrose solution-intravenous? N/A Is dextrose solution-intravenous available as a generic drug? Yes Do I …

What is ezetimibe and simvastatin, and how does it work (mechanism of action)? Vytorin is a combination of ezetimibe (Zetia) and simvastatin (Zocor) that is used for treating high levels of cholesterol in the blood. Vytorin reduces total cholesterol and low density lipoprotein (LDL or "bad") cholesterol while it increases high density lipoprotein (HDL or "good") cholesterol. The ezetimibe component …

What is pimecrolimus, and how does it work (mechanism of action)? Pimecrolimus is a chemical that is used to treat atopic dermatitis (eczema). Atopic dermatitis is a skin condition characterized by redness, itching, scaling, and inflammation of the skin. The cause of atopic dermatitis is not known; however, scientists believe that it may be due to activation of the immune …

What is glycopyrrolate, and how does it work (mechanism of action)? Glycopyrrolate is a synthetic anti-cholinergic medication. Glycopyrrolate works by blocking acetylcholine activity on smooth muscles and other tissues. Acetylcholine is neurotransmitter, a chemical that nerves use for communicating. Blocking of acetylcholine leads to decrease in volume and acidity of stomach secretions and decrease in pharyngeal, tracheal, and bronchial secretions. …

What is chlorpheniramine and hydrocodone, and how does it work (mechanism of action)? Tussionex is a combination of an antihistamine that blocks allergic reactions and reduces the production of mucus (chlorpheniramine), and a narcotic that relieves pain and cough (hydrocodone). Tussionex is a liquid that slowly releases the chlorpheniramine and hydrocodone after it is ingested. What brand names are available …

What is brexpiprazole, and how does it work (mechanism of action)? Brexpiprazole is an oral atypical antipsychotic used to treat schizophrenia. Other atypical antipsychotic drugs include olanzapine (Zyprexa), quetiapine (Seroquel), ziprasidone (Geodon), and aripiprazole (Abilify). Atypical antipsychotics differ from typical antipsychotics because they cause a lesser degree of movement (extrapyramidal) side effects and constipation. The exact mechanism of action of …

What is lemon balm (Melissa officinalis)? How does it work (mechanism of action)? Lemon balm is a plant used as an herbal supplement. It may have antiviral activity against some viruses, for example, the herpes virus as well as calming effects. It active compounds in lemon balm are caffeic acid and tannins. What are the uses for lemon balm? Lemon …