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Patho Exam 2
Drugs
23
Biology
Professional
09/24/2008

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Term
Aminoglycosides
Definition
Inhib protein synth (30S)
Nephrotixicity Ototoxicity
Renal Adjust
Commonly used in combos
Term
Natural PCN
Definition
Inhib Cell Wall Synth
Narrow Gm (+) Oral Anaerobes
Renal Adjust
DOC for syphilis
Term
Aminopenicillins
Definition
Inhib Cell Wall Synth
Some Gm (-)
Enterococcus
Stable in gastric acid PO
Term
Penicillinase Resistant PCN
Definition
Inhib Cell Wall Synth
Gm (+) Only
Renal Adjust except Nafcillin/Oxacillin
Term
Ext. Spec PCN
Definition
Inhib Cell Wall Synth
Pip Few anaerobes, enterococci
Renal Adjust
> Gm (-) activity, High PBP affinity
Term
B-lactamase inhibitors
Definition
Inhib Cell Wall Synth & Inhib B lacs
Anaerobes
Renal adjust
Inhib. allow PCN to work better
AMP/AMOX - Narrow
TIC/PIP - Broad
Term
1st Gen Cephs
Definition
Inhib Cell Wall Synth
Gm (+) Some Gm (-) 10% XRxn w/ PCNs
Renal adjust
No enterococcus
Term
2nd Gen Cephs
Definition
Inhib Cell Wall Synth
Good Gm (+) & (-)
Renal adjust
Anaerobes Cefoxitin Cefotetan
MTT Side chain on cefotetan
Term
3rd Gen Cephs
Definition
Inhib Cell Wall Synth
Renal adjust
Enhanced Gm (-)
S. Pneumo & Anaerobic
Pseudomonas Ceftazidime & Cefoperazone
Cefoperazone also has MTT side chain
Term
4th Gen Cephs
Definition
Inhib Cell Wall Synth
Ok Gm (+) Great Gm (-)
Renal adjust
S. pneumo & pseudomonas
Term
Carbapenems
Definition
Inhib Cell Wall Synth
Pseudomonas & Anaerobes
Renal adjust
Pseudomonas Ex. Ertrapenem
Seizure risk
Less XRxn w/ PCN sensitivity
Term
Glycopeptides (Vanc)
Definition
Inhib Cell Wall Synth
Gm (+) only
Renal adjust
Nephrotoxicity
Red Man Syndrome
DOC for MRSA MSE
Term
Fluoroquinolones
Definition
Inhib DNA Gyrase & Topo 4
Great Gm (-)
Renal adjust
Pseudomonas(CIPRO) & Anaerobes
Tendon issues
Prolong QT
Term
Macrolides
Definition
Inhib protein synth(50S)
Atypicals Staph Strep H Flu
NO Renal Adjust
GI SE
Term
Folate antagonist
Definition
Inhib exog. prod. of folate bacteria need
Many Gm (-) some (+)
Renal adjust
Hemolytic anemia in some
Leukopenia, thrombocyto, agranulocytosis
Inexpensive Old
Term
Tetracyclines
Definition
Inhib proteins synth (30S)
Some Gm (-) (+) Atypicals Spirochetes
Renal adjust
Interfere bone teeth formation
Fanconi's from old caps (Tetra)
Term
Antianaerobic
Definition
Metronid - Anaerobes DOC C diff Renal Adj
Clinda - Anaerobes Gm (+) NO RENAL Adjust
Term
Streptogramins
Definition
Inhib protein synth -static
MRSA VRE Entero faecium
NO RENAL Adjust but adj for liver
Thromobophlebitis
CYP3A4 Interaxns
Term
Linezolid
Definition
Inhib protein synth unique site
MRSA VRE Staph Strep
Renal Adjust ?
No X Rxns, 100% Bioavail
5-HT Syndrome poss w/ SSRI sympathomimetics
Term
Rifamycins
Definition
Inhib RNA polymerase
Gm (+) (-) Anaerobes
NO RENAL Adjust
CYP Inducer DIs
Discolors sweat tears urine
Term
Chloramphenicol
Definition
Inhib protein synth (50S)
Gm (+) (-) Anaerobes
Causes idiosyncratic aplastic anemia
Not used in US much
Term
Daptomycin
Definition
Irrev binds to cell membrane
MRSA VRE Gm (+) only
Tx of comp skin inf endocarditis
Renal adjust
Watch CK & muscle myalgia
Term
Tigecycline
Definition
Inhib protein synth (30S)
Gm (+) (-) Anaerobes MRSA VRE(faecalis)
Renal ??
Stable to tetra resistant strains
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