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ampicillin

   Also found in: Dictionary/thesaurus, Medical, Wikipedia 0.04 sec.
ampicillin (ăm'pĭsĭl`ĭn), a penicillin penicillin, 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.
..... Click the link for more information. -type antibiotic antibiotic, any of a variety of substances, usually obtained from microorganisms, that inhibit the growth of or destroy certain other microorganisms.

Types of Antibiotics


..... Click the link for more information.  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 resistance drug 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
..... Click the link for more information. ). Like other penicillin antibiotics, ampicillin acts against bacteria by inhibiting the synthesis of bacterial cell wall components.
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-3]), and resistance to ampicillin was high over time.
Campylobacter antimicrobial drug resistance among humans, broiler ... by Megraud, Francis / Emerging Infectious Diseases
(40,41) There are no conclusive data on CSF sterilization with ampicillin plus chloramphenicol or with other antibiotics that have been studied.
Do corticosteroids prevent hearing loss in pediatric bacterial ... by Johnson, Romaine / Ear, Nose and Throat Journal
By challenging these bacterial cultures with some common antibiotics, such as ampicillin and ciprofloxacin, Walia's team found that about 95 percent of the colonies they tested were resistant to two or more antibiotics.
Ready-to-eat spinach bears tough microbes by Science News
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