ampicillin

am·pi·cil·lin   (ām'pĭ-sĭl'ĭn)    n.  A semisynthetic penicillin having a broader antibacterial spectrum of action than that of penicillin G. It is effective against gram-negative and gram-positive bacteria and used to treat gonorrhea and infections of the intestinal, urinary, and respiratory tracts. [Blend of amino- and penicillin.]

Main Entry: am·pi·cil·lin
Pronunciation: "am-p&-'sil-&n
Function: noun
: a penicillinC₁₆H₁₉N₃O₄S that is effective against gram-negative and gram-positive bacteria and is used in anhydrous forms, as the trihydrate, or as the sodium salt totreat various infections of the urinary, respiratory, and intestinal tracts —see PENBRITIN

ampicillin am·pi·cil·lin (ām'pĭ-sĭl'ĭn)
n.
A semisynthetic of penicillin effective against gram-negative and gram-positive bacteria and used in treating infections of the intestinal, urinary, and respiratory tracts.

ampicillin   (ām'pĭ-sĭl'ĭn)  Pronunciation Key  An antibiotic derived from penicillin that has a broad antibacterial spectrum of action. It is effective against gram-negative and gram-positive bacteria and is used primarily to treat gonorrhea and infections of the respiratory, urinary, and intestinal tracts.

ampicillin

drug used in the treatment of various infections, including otitis media (middle ear infection), sinusitis, and acute bacterial cystitis. Ampicillin (or alpha-aminobenzylpenicillin) is a semisynthetic penicillin, one of the first such antibiotics developed. Similar in action to penicillin G but more effective against gram-negative bacteria, ampicillin is more stable in stomach acids and therefore may be given orally.

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