ampicillin /am·pi·cil·lin/ (am″pĭ-sil´in) a semisynthetic, acid-resistant, penicillinase-sensitive penicillin used as an antibacterial against many gram-negative and gram-positive bacteria; also used as the sodium salt.
ampicillin
ampicillin (am´pisil´in),
ampicillin
am·pi·cil·lin ( m p -sl n)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. |
ampicillin
[am′pəsil′in]
a semisynthetic aminopenicillin.
indication It is prescribed in the treatment of infections caused by a broad spectrum of sensitive gram-negative and gram-positive organisms.
contraindication Known hypersensitivity to any penicillin prohibits its use.
adverse effects Among the most serious adverse reactions are anaphylaxis, nausea, and diarrhea. Fever, rashes, allergic reactions, and suprainfection also may occur.
ampicillin (am´pisil´in),
n an acid-stable semisynthetic penicillin antibiotic with a broader spectrum of effectiveness than penicillin G.
ampicillin
an aminopenicillin of synthetic origin, susceptible to β-lactamase, with activity similar to amoxicillin but shorter duration of activity. It can be administered orally or parenterally.
ampicillin
Infectious disease An analogue of penicillin, which inhibits crosslinking of peptidoglycan chains in the eubacterial cell wall. Ampicillin is comparable to penicillin G against gram-positive bacteria, but more active against
gram-negative bacilli Adverse effects Rash, especially if Pt also receiving allopurinol or actively infected with EBV
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