ampicillin


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ampicillin

(ăm'pĭsĭl`ĭn), a penicillinpenicillin,
any of a group of chemically similar substances obtained from molds of the genus Penicillium that were the first antibiotic agents to be used successfully in the treatment of bacterial infections in humans.
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-type antibioticantibiotic,
any of a variety of substances, usually obtained from microorganisms, that inhibit the growth of or destroy certain other microorganisms. Types of Antibiotics
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 that is effective against both gram-negative microorganisms and gram-positive microorganisms such as Escherichia coli. It is often used in the treatment of urinary tract infections, but resistant organisms are increasingly common (see drug resistancedrug resistance,
condition in which infecting bacteria can resist the destructive effects of drugs such as antibiotics and sulfa drugs. Drug resistance has become a serious public health problem, since many disease-causing bacteria are no longer susceptible to previously
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). Like other penicillin antibiotics, ampicillin acts against bacteria by inhibiting the synthesis of bacterial cell wall components.
References in periodicals archive ?
Etest evaluation of the three hyper-penicillinase strains produced penicillin MIC levels of 1mg/L and an ampicillin MIC of 1mg/L for two isolates and a value of 2mg/L for the remaining isolate.
Ampicillin sodium salt enhances the conductivity of A-PU in THF/DMAc solutions as the number of ions per unit volume increases [33].
Synergistic bactericidal activity of Eremanthus erythropappus oil or b-bisabolene with ampicillin against Staphylococcus aureus.
Enterococcus faecium was the predominant pathogen, and it tested almost uniformly resistant to ampicillin.
On the basis of the difference described above, explain why ampicillin is more effective against Gram-positive bacteria.
Forward-looking statements in this press release include statements regarding immediate commencement of marketing Ampicillin and Sulbactam.
Phenotypically, the strain was resistant to ampicillin, ampicillin/sulbactam, piperacillin, cefotaxime, ceftazidime, cefepime, chloramphenicol, streptomycin, trimethoprim/sulfamethoxazole, azithromycin, and nalidixic acid.
MIC range, MIC,, and susceptibility rates of various antibiotics tested Antibiotics Media MIC range ([micro]g/ml) Ampicillin Broth 0.
Pathogen resistance to ceftriaxone or ampicillin also held steady across age groups.
coli that had a mutation in a gene that makes the bacteria resistant to the antibiotic ampicillin.
Probenecid is also used as adjunctive therapy with some antibiotics such as penicillin, ampicillin, methicillin, oxacillin, cloxacillin, or nafcillin, for elevation and prolongation of plasma levels by whatever route the antibiotic is given.