Term
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Definition
| Natural, not gastric stable, used against gm+ve and -ve cocci, gm+ve bacilli, spirochetes + anaerobes |
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Term
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Definition
| Natural, IM, T 1/2 3-4 wks, painful at injection site, Tx: syphilis, rheumatic fever prophylaxis, streptococcal pharyngitis |
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Term
|
Definition
| Natural, IM not IV (risk of procaine toxicity), T 1/2 12-24 hrs, seldom used |
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Term
|
Definition
| Natural, given orally, higher MBC (less potent) |
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Term
| Dicloxacillin, Methicillin, Nafcillin, Oxacillin |
|
Definition
| Antistaph, penicillinase resistant |
|
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Term
| Carbenicillin, Piperacillin (most potent), Ticarcillin |
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Definition
| Antipseudomonal, active against P. aeruginosa, effective against many gm-ve bacilli, combined w/ beta-lactamase inhibitor |
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Term
|
Definition
| Extended-Spectrum, similar to penicillin G, more effective against gm-ve bacilli, Ampicillin is the Rx of choice for Listeria monocytogenes (gm+ve bacilli), widely used to Tx RTs, plasmid mediated resistance is a big prob, combined w/ beta-lactamase inhibitor |
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