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Zyloprim (Allopurinol)
(Pharmaceutical)ZYLOPRIM® Glaxo Wellcome Allopurinol Xanthine Oxidase Inhibitor Action And Clinical Pharmacology: Allopurinol is a structural analogue of hypoxanthine. Reduction in both the serum and urinary uric acid levels is brought about by allopurinol inhibiting the action of xanthine oxidase, the enzyme responsible for the conversion of hypoxanthine to xanthine and xanthine to uric acid. Allopurinol is metabolized to the corresponding xanthine analogue, oxypurinol, which is also an inhibitor of xanthine…
Zovirax Injection (Acyclovir Sodium)
(Pharmaceutical)ZOVIRAX® for Injection Glaxo Wellcome Acyclovir Sodium Antiviral Agent Action And Clinical Pharmacology: Acyclovir, a synthetic acyclic purine nucleoside analog, is a substrate with a high degree of specificity for herpes simplex and varicella-zoster-specified thymidine kinase. Acyclovir is a poor substrate for host cell-specified thymidine kinase. Herpes simplex and varicella-zoster-specified thymidine kinase transform acyclovir to its monophosphate which is then transformed by a number of cellular enzymes to acyclovir diphosphate…
Zinacef (Cefuroxime Sodium)
(Pharmaceutical)ZINACEF® Glaxo Wellcome Cefuroxime Sodium Antibiotic Action And Clinical Pharmacology: In vitro studies demonstrate that the bactericidal action of cefuroxime, a cephalosporin antibiotic, results from inhibition of bacterial cell wall synthesis by inhibiting the transpeptidase and carboxypeptidase enzymes. Cefuroxime is active against the following organisms in vitro: Gram-positive: S. pyogenes, S. viridans and S. pneumoniae. S. aureus, both penicillin sensitive and beta-lactamase producing. Clostridia. Some strains of methicillin resistant staphylococci…
Zerit (Stavudine)
(Pharmaceutical)ZERIT Bristol-Myers Squibb Stavudine Antiretroviral Action And Clinical Pharmacology: Stavudine is a synthetic thymidine nucleoside analogue active against the Human Immunodeficiency Virus (HIV). In vitro studies demonstrate that stavudine is converted to the triphosphate by cellular kinases. The 5′-triphosphate is the active form of the drug. In cell culture studies with 2 different cell lines, stavudine triphosphate had an intracellular half-life of 3.5 hours. Stavudine triphosphate has been shown to…
Zephiran (Benzalkonium Chloride)
(Pharmaceutical)ZEPHIRAN® Sanofi Benzalkonium Chloride Topical Antiseptic Indications And Clinical Uses: Antisepsis of skin and mucous membranes and as a disinfectant in surgery, obstetrics and gynecology, urology, ophthalmology, otorhinolaryngology and general practice. Also may be used as a disinfectant for hospital utensils and other environmental surfaces and for disinfection and storage of ampuls, thermometers, metal instruments and catheters. Contra-Indications: Incompatible with soap and anionic detergents. Use in occlusive dressings, casts and…
Zarontin (Ethosuximide)
(Pharmaceutical)ZARONTIN® Parke-Davis Ethosuximide Anticonvulsant Indications And Clinical Uses: The control of absence (petit mal) epilepsy. Contra-Indications: Ethosuximide should not be used in patients with a history of hypersensitivity to succinimides. Precautions: Blood dyscrasias, including some with fatal outcome, have been reported to be associated with the use of ethosuximide; therefore, periodic blood counts should be performed. Ethosuximide is capable of producing morphological and functional changes in the animal liver. In…