Anti-infective Spectrum of activity - 10Qs Flashcards
List the B-lactam that attack cell walls.
Penicillins
Cephalosporin
Carbapenems
Monobactams
ALL of them
List the Glycopeptides that attack cell walls.
Vancomycin
Telavancin
List the AB that attack cell membranes.
Daptomycin
Colisitin
List the ABs that attack 30s ribosome (Cytoplasm)
Tetracycline e.g. minocycline, doxycycline
Aminoglycosides e.g. Amikacin, tobramycin, gentamicin
Glycyclines e.g. Tigecycline
List the ABs that attack 50s ribosome (Cytoplasm)
Macrolides
Clindamycin
Quinopristin/Dalfopristin
List the ABs that attack 50s/Initiation complex ribosome (Cytoplasm)/ 23s subunits of 50s
Linezolid
List the ABs that attack DNA synthesis
Fluoroquinolones
Metronidazole
Trimethoprim/Sulfamethoxazole
Rifampicin
List the penicillins that are ANTIPSEUDOMONAS
Piperacillin
Ticarcillin
List the Cephalosporin that are ANTIPSEUDOMONAS
Ceftazidime
Cefepime
Ceftaroline
List the Carbapenems that are ANTIPSEUDOMONAS
Doripenem
Imipenem-cilistatin
Meropenem
List the Fluoroquinolones that are ANTIPSEUDOMONAS
Ciprofloxacin
Levofloxacin
List the Aminoglycosides that are ANTIPSEUDOMONAS
Amikacin
Tobramycin
List other AB that are ANTIPSEUDOMONAS
Aztreonam
Colisitin
List ABs that are active against MRSA
IV Ceftaroline (Cephalosporin-B-lactam) Sulfonamides (active against some strains of MRSA (CA-MRSA)) Vancomycin (Glycopeptides) Linezolid Daptomycin (cyclic Lipopeptides)
Which B-lactam is the exception to the short t1/2 of this group?
Ceftriaxone
Ertapenem
Which B-lactam is the exception to this Grp being primarily renally cleared?
Nafcillin
Oxacillin
Ceftriaxone
List ABs that are responsible for Above Diaphragm bugs (Anaerobes)
Natural Penicillins e.g. Pencillin G and V
Extended spectrum Penicillins e.g. Piperacillin and Ticarcillin
Lincosamides e.g. Clindamycin
List drug of choice for MSSA
Nafcillin
Oxacillin
Cefazolin IV
List ABs that are responsible for Below Diaphragm bugs (Anaerobes)
Metronidazole
Which AB is both bacterioSTATIC and bacteriCIDAL
Oxazolidinones
Streptogramins
Chloramphenicol
For the B-lactams, what’s the relationship btw MIC dependent killing and Time?
Time>MIC dependent killing
Which AB is effective against Listeria?
Ampicillin
Sulfonamides
List common gram tve m.o.
Staphylococcus
Streptococcus
Enterococcus
List common gram -ve m.o.
Haemophilus E. coli Neisseria Proteus Pseudomonas E Kelbsiella Moraxella
HENPEKM
What AB covers coagulase negative staph?
Glycopeptides e.g. Vancomycin
Which ABs have a broad coverage against anaerobes?
Amoxicillin/Clavulanate PO
Piperacillin/Tazobactam (Zosyn) IV
Moxifloxacin (Fluoroquinolones)
Lincosamides
What AB may cuz bone marrow suppression and serotonin syndrome (if used with MAO active drugs)?
Oxazolidinones e.g. Linezolid
What ABs is effective against VRE?
Oxazolidinones e.g. Linezolid
Cyclic Lipopeptides e.g. Daptomycin
What ABs are effective against Pseudomonas and Acinetobactor?
Ceftazidime
Piperacillin
What AB req central line access for administration?
Streptogramins e.g. Quinopristin+Dalfopristin
What AB req regular CPK monitoring at baseline and weekly thereafter?
Cyclic lipoprotein e.g. Daptomycin
What’s unique about Amikacin activity?
Mycobacterium activity
What’s the 2nd line for TB?
Streptomycin
What ABs req Therapeutic Drug Monitoring (TDM)?
Aminoglycosides e.g. Gentamicin
Glycopeptides e.g. Vancomycin
Why’s Polymixin not 1st line?
About 30% of pts develop nephrotoxicity
What’s the drug of choice for mild to moderate C.Diff?
Metronidazole
What PROTOZOAN is susceptible to metronidazole?
Giardia lambia
Gardinerella vaginalis
Entamoeba Histolytica
GET
What AB has a metallic taste as a SE?
Metronidazole
List atypical m.o. Covered byFluroquinolones
Mycoplasma
Legionella
Chlamydia
Myocobacteria including TB
What ABs cover atypical m.o.?
Fluoroquinolones e.g Ciprofloxacin,
Sulfonamide
Macrolide e.g. Azithromycin, Clarithromycin,
What AB may suppress bone marrow suppression and may be a concern in Immunosuppressed pt, cancer pt etc
Sulfonamides e.g. Sulfamethoxazole, Trimethoprim
What AB has coverage over Enterococcus?
Vancomycin
Tigecycline
Aminoglycosides
Fluoroquinolones
What AB are active against VRE + ALL Enterococcus?
Streptogramins
Tigecycline
Daptomycin
Oxazolidinones - Linezolid
What AB are active against MRSA?
Ceftaroline Vancomycin Tigacycline Oxazolidinones Daptomycin Streptogramniss
What AB are effective against gram tv only?
Glycopeptides e.g. Vancomycin
Oxazolifdinones e.g. Linezolid
Lipoprotein e.g. Daptomycin
Streptogramniss
What AB are effective against gram -ve only?
Monobactam e.g. Aztreonam
Aminoglycosides
PolymixIns B + E
What AB may cuz blood dyscrasias?
Chloramphenicol
Trimethoprim