Term
Continue to be mainstay against gram negative aerobes; bactericidal; cover staphylococci (but don't use it on staph infection by itself!); second line antitubercular agent |
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Definition
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Term
The most anti-pseudomonal of all the aminoglycosides |
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Definition
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Term
Binds to 16 S rRNA in 30 S ribosomal subunit (prevents docking of amino-tRNA) |
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Definition
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Term
Most active tetracycline especially against S. aureus |
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Definition
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Term
Antibiotics targeting bacterial ribosomes |
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Definition
Aminoglycosides, Tetracyclines, Macrolides, Clindamycin, Linezolid |
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Term
Clinically used aminoglycosides |
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Definition
Streptomycin, Neomycin, Kanamycin, Gentmycin, Tobramycin, Amikacin, Netilmicin |
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Term
Efficient uptake by active transport linked to oxidative phosphorylation; inhibited by anaerobic conditions and acidic pH |
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Definition
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Term
Aminoglycoside that is most susceptible to resistance |
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Definition
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Term
Aminoglycoside that is least susceptible to resistance |
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Definition
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Term
Tetracycline spectrum of activity: |
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Definition
notably atypicals: Mycoplasma, Rickettsia, Chlamydia, Treponema pallidum; also anti-plasmodial activity (malaria) |
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Term
Clinically used tetracyclines |
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Definition
tetracycline, doxycycline, minocycline, demeclocycline |
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Term
Human use of Tetracycline is restricted to: |
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Definition
Acne vulgaris, Lyme disease, Typhus, spotted fever, chemosuppression of malaria |
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Term
Tetracycline has a potential role in: |
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Definition
Anthrax (Bacilla anthracis), Q fever (Coxiella burnetii) |
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Term
Tetracycline deposition in bone and teeth |
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Definition
discoloration, growth retardation, contraindicated in pregnancy and children |
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Term
Bind to 50 S subunit and inhibits translocation of aminoacyl-tRNA and A to P site |
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Definition
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Term
Macrolides Spectrum of activity |
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Definition
gram positive aerobes, inactive against gram negative aerobes except Neisseria, Haemophilus, Bordetellla, Capylobacter, Legionella spp, Atypicals: Mycoplasma pneumonia, Rickettsia and Chlamydia spp. |
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Term
Clinically used macrolides |
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Definition
Erythromycin A, Clarithromycin, Azithromycin, Telithromycin |
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Term
Erythromycin: formulated as esters of hydrophobic acids to decrease solubility |
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Definition
Ethylsuccinate, Estolate, Stearate |
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Term
only clinical agent of Lincosamides |
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Definition
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Term
Lincosamides spectrum of activity |
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Definition
ananerobes and gram positive except enterococci; inactive against gram negative aerobes except H. influenza |
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Term
Clindamycin: topical formulation for acne vulgaris +/- |
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Definition
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Term
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Definition
Clarithromycin, Azithromycin, Telithromycin |
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Term
More active against gram positive and H. influenza; CYP3A4 inhibitors (EMA derivative) |
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Definition
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Term
no significant CYP2A4 inhibition, long half-life (can be given once daily) (EMO derivative) |
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Definition
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Term
strongly associated with hepatotoxicity (EMO derivative) |
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Definition
Telithromycin ("ketolide") |
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Term
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Definition
cholestasis, jaundice, fever, pruritus, rash, hepatomegaly |
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Term
Potent stimulator of GI motility |
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Definition
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Term
Useful in disseminated mycobacterium avium infection in AIDS patients |
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Definition
clarithromycin and azithromycin |
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Term
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Definition
Anaerobic infections: intra-abdominal, pelvic, periodontal, diabetic foot; first antibiotic to be associated w/ pseudomembranous colitis caused by C. difficile |
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Term
Inhibits peptidyl transferase in 50 S subunit |
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Definition
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Term
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Definition
Active only against gram positive species; important backup to vancomycin against VRE and MRSA, gram negative species intrinsically resistant due to active efflux |
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Term
Inhibits peptidyl transferase in 50 S subunit |
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Definition
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Term
Chloramphenicol broad spectrum |
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Definition
many atypical, bactericidal to some strains by unknown mechanism; no longer used in humans |
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