What is Vasopressin ADH Vasopressin is a parenteral exogenous antidiuretic hormone (ADH) of the posterior pituitary gland indicated for diabetes insipidus, gastrointestinal radiography to dispel interfering gas shadows, prevention and treatment of postoperative abdominal distention, as well as to increase blood pressure in patients with vasodilatory shock who remain hypotensive despite fluids and catecholamines. Endogenous ADH …
What is Varicella Zoster Virus Vaccine Varicella-zoster virus vaccine, live is a lyophilized preparation of the Oka/Merck strain of live, attenuated varicella-zoster virus. The vaccine is available as two different subcutaneous formulations (Varivax containing >= 1,350 plaque-forming units/dose and Zostavax containing >= 19,400 PFU/dose). These vaccines are approved for different indications, and are not interchangable. …
What is Varicella Zoster Immune Globulin Varicella zoster immune globulin is an intramuscularly administered preparation of purified human immune globulin G (IgG) containing antibodies to varicella-zoster virus (anti-VZV). It is indicated for passive immunity in high-risk individuals after exposure to varicella (i.e., post-exposure prophylaxis). High-risk individuals for which the immune globulin is indicated include immunocompromised …
What is Varenicline Varenicline is a nicotine receptor agonist for aid in smoking cessation. Varenicline is a potent and competitive partial agonist at nicotinic receptors. Varenicline is effective because it provides some nicotine effects to help with nicotine withdrawal symptoms while also blocking the effects of nicotine if the user were to relapse. Most other …
What is Vardenafil Vardenafil belongs to the phosphodiesterase type 5 (PDE5) inhibitors drug class, a class of drugs commonly indicated for treatment of erectile dysfunction (ED). It is a selective phosphodiesterase (PDE) type 5 inhibitor similar to sildenafil and tadalafil. This class of drugs does not inhibit prostaglandins as do some agents for treating ED …
What is Vandetanib Vandetanib is a kinase inhibitor that is indicated for the treatment of symptomatic or progressive medullary thyroid cancer in patients with unresectable locally advanced or metastatic disease. In vitro, vandetanib inhibits new blood vessel formation and epidermal growth factor receptor-dependent cell survival. The drug exhibits a long elimination half-life (19 days) and …
What is Vancomycin Vancomycin is a parenteral glycopeptide antibiotic and is structurally related to teicoplanin, an investigational agent. Vancomycin is obtained from Nocardia orientalis and is effective only for gram-positive bacteria. Although it is poorly absorbed after oral administration, vancomycin is occasionally administered orally to treat GI infections such as pseudomembranous colitis due to overgrowth of Clostridium difficile. …