ampicillin
An acid-stable semisynthetic penicillin derived from 6-aminopenicillanic acid; it has a broader spectrum of antimicrobial action than penicillin G, inhibits the growth of Gram-positive and Gram-negative bacteria, and is not resistant to penicillinase; also available as a. sodium and a. trihydrate. SYN: d(-)-α-aminobenzylpenicillin.

* * *

am·pi·cil·lin .am-pə-'sil-ən n a penicillin C16H19N3O4S that is effective against gram-negative and gram-positive bacteria and is used in anhydrous forms, as the trihydrate, or as the sodium salt to treat various infections of the urinary, respiratory, and intestinal tracts see penbritin

* * *

n.
an antibiotic used to treat a variety of infections, including those of the urinary, respiratory, biliary, and intestinal tracts. It is inactivated by penicillinase and therefore cannot be used against organisms producing this enzyme. It is given by mouth or injection; side-effects include nausea, vomiting, and diarrhoea, and some allergic reactions may occur. Trade names: Penbritin, Rimacillin.

* * *

am·pi·cil·lin (am″pĭ-silґin) [USP] a semisynthetic, acid-resistant, penicillinase-sensitive penicillin of the aminopenicillin group, effective against a broad spectrum of gram-positive and gram-negative bacteria, used in the treatment of infections caused by susceptible organisms; administered orally.

Medical dictionary. 2011.

Look at other dictionaries:

  • Ampicillin — Systematic (IUPAC) name (2S,5R,6R) 6 ([(2R) 2 amino 2 phenylace …   Wikipedia

  • ampicillin — n. 1. a semisynthetic penicillin which can be considered as the common benzylpenicillin containing an amino group at the alpha benzyl position. Note: It is more active against certain gram negative bacteria than is benzylpenicillin. It found wide …   The Collaborative International Dictionary of English

  • Ampicillin — См. Ампициллин (Источник: «Словарь терминов микробиологии») …   Словарь микробиологии

  • ampicillin — [am΄pə sil′in] n. a synthetic antibiotic, C16H19N3O4S, derived from penicillin, having resistance to acids so that it can be taken orally to fight a wide range of bacterial infections …   English World dictionary

  • Ampicillin — Strukturformel Allgemeines Freiname Ampicillin …   Deutsch Wikipedia

  • ampicillin — /am peuh sil in/, n. Pharm. a broad spectrum semisynthetic penicillin, C16H19N3O4S, effective against certain susceptible Gram positive and Gram negative bacteria. [1965 70; prob. am(inobenzyl)p(en)icillin, an alternate chemical name] * * * ▪… …   Universalium

  • ampicillin — Penicillin derivative with broad spectrum activity; ampicillin resistance is often used as a marker for plasmid transfer in genetic engineering (eg. pBR322 is ampicillin resistant) …   Dictionary of molecular biology

  • Ampicillin — Am|pi|cil|lin [Kurzw. aus 6 (α Amino α phenylacetamido)penicillansäure], das; s: Freiname für ein halbsynthetisches Derivat des Penicillins. * * * Ampicillin   das, s, Penicilline …   Universal-Lexikon

  • ampicillin — noun Etymology: amino + penicillin Date: 1961 a penicillin C16H19N3O4S that is effective against gram negative and gram positive bacteria and is used to treat various infections of the urinary, respiratory, and …   New Collegiate Dictionary

  • ampicillin — noun /æm.pɪ sɪ lɪn/lang=en A broad spectrum antibiotic having a beta lactam structure …   Wiktionary

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”