Anitimicrobials Flashcards
BacteriCIDAL Antibiotics
Very Finely Proficient At Murder
Vancomycin Fluoroquinolones Penicillins Aminoglycosides Metronidazole
BacterioSTATIC Antibiotics
we’re ECSTaTiC about bacteriostatics!
Erythromycin Clindamycin Sulfamethoxazole Trimethoprim Tetracycline Chloramphenicol
Narrow spectrum penicillins
SE: hypersensitivity, GI upset
Penicillin V
Penicillin G
Penicillinase-resistant penicillins
SE: interstitial nephritis, neutropeniA
Methicillin
Extended spectrum penicillins
SE: pseudomembranous colitis
Ampicillin
Anti-pseudomonal penicillins
SE: hypertension, hypervolemia, and bleeding
Piperacillin
1st Generation cephalosporin
High bone penetration
surgical prophylaxis
greatest gram-positive coverage
SE: Hypersensitivity Reaction
Cefazolin
Cefadroxil Cefazolin Cephalotin Cephapirin Cephradine Cephalexin
2nd generation cephalosporin
added gram negative coverage
SE: Disulfiram reaction
Cefamandol Cefoxitin Cefuroxime Cefaclor Cefofetan
3rd generation ceohalosporin
Pseudomonas coverage
Commonly used as empiric therapy
SE: Disulfiram reaction
Cefoperazone (“ine” / “one”)
Ceftriaxone
Ceftazidime
Cefotaxime
Most efficacious cephalosporin for Pseudomonas aeruginosa
Ceftazidime
3rd gen ceph
4th generation cephalosporin
broad spectrum activity
(gram positive & gram negative)
Ceftaroline
Cefepime
cephalosporin has the best penetrance to the BBB?
Ceftriaxone
Microbes covered by 1st Gen cephalosporins
Proteus mirabilis
Escherichia coli
Klebsiella pneumoniae
First Generation Cephalosporins
Cefadroxil Cefazolin Cephalotin Cephapirin Cephradine Cephalexin
Microbes covered by 2nd Gen ceohalosporins
Haemophilus influenzae Enterobacter aerogenes Neisseria spp. Klebsiella pneumoniae Escherichia coli Proteus mirabilis Serratia marcescens
2nd Generation Ceohalosporins
Cefamandole Cefuroxime Cefoxitin Cefotetan Cefaclor Loracarbef Cefprozil Cefmetazole Cefonicid
Cephalosporins causing Disulfiram reaction
Cefamandole
Cefmetazole
Cefotetan
Cefoperazone
3rd Generation Cephalosporins
Cefetamet Cefpodoxin Cefoperazone Cefixime Ceftriaxone Ceftazidime Cefotaxime Ceftizoxime Ceftibuten
Anti-pseudomonal Cephalosporins
Ceftazidime
Cefepime
Cefoperazone
SILVER BULLET against gram negative bacteria
with anti-pseudomonal coverage
NO gram (+) coverage
Aztreonam
Beta lactamase inhibitor.
SE: Cholestatic jaundice
CAST
Clavulanic Acid
Avibactam
Sulbactam
Tazobactam
Drug of last resort, broad spectrum of activity
SE: CNS toxicity (confusion, encephalopathy, seizures)
Imipinem-Cilastatin
Treatment for MRSA
SE: Red man syndrome
Vancomycin
Which antibiotics are considered drug of last resort?
I AM Last Shot Victory
Imipinem Amikacin Meropenem Linezolid Streptogramins Vancomycin
Protein synthesis:
Binds to 50s Subunit
SE: Aplastic anemia, gray baby syndrome
Chloramphenicol (static)
Protein synthesis:
Binds to 30s subunit
SE: tooth enamel discoloration, photosensitivity
Tetracycline (static)
MOA: blocks the attachment of T-RNA to acceptor site
Protein synthesis:
Binds to 50s subunit
DOC for Penicillin-allergic patients
SE: diarrhea, cholestatic jaundice
Erythromycin (static)
Macrolides
Protein synthesis:
Binds to 50s subunit
highest volume of distribution — single dose administration
Azithromycin
Protein synthesis:
Binds to 50s subunit
anaerobic coverage
SE: pseudomembranous colitis
Clindamycin
Protein synthesis:
Binds to 50s subunit, Vancomycin-resistance
Linezolid (static)
Streptogramin— no effect on CY P450
For anaerobic infections ABOVE the diaphragm
Clindamycin
For anaerobic infections BELOW the diaphragm
Metronidazole
Aminoglycosides:
Bactericidal
binds to 30s subunit
treatment of endocarditis
SE: nephrotoxicity, ototoxicity
Gentamicin
Aminoglycosides:
Treatment of ocular infections
Tobramycin
Aminoglycoside used for Tuberculosis
Streptomycin
Aminoglycosides:
For drug-resistant gonorrhea
Spectinomycin
Aminoglycosides:
widest spectrum of activity
pseudomonas coverage
narrow therapeutic window
Amikacin
Aminoglycoside used for the treatment of hepatic encephalopathy.
Neomycin
SULFONAMIDES:
Blocks dihydroPTEROATE SYNTHASE
Sulfamethoxazole (static)