Antbiotics Pharm High Yield Flashcards
AE of penicillin G and V?
hemolytic anemia
Name the penicillinase sensitive penicillins? (4)
Amoxicillin
Ampicillin
Penicillin G and V
Piperacillin/ ticarcillin
Name the antipsuedomonal penicillins?
Piperacillin and ticaricillin
Which 2 classes of antibiotics block the 30S subunit of bacterial ribosomes?
Aminoglycosides (Gentamicin, neomycin, streptomycin)
Tetracyclines
What 5 classes of antibiotics bond the 50S bacterial ribosomal subunit?
Chlorampenicol
Clindamycin
Linezolid
Macrolides
Streptogramins
What antibiotic inhibits mRNA synthesis?
Rifampin
Which antibiotics are folic acid synthesis inhibitors?
Sulfonomides and Tromephoprim
Which antibiotics are DNA topoisomerase inhibitors?
Fluoroquinolones
What can Amoxicillin and ampicillin be used on?
HHELPS
HHELPS:
H. influenzae E. coli Listeria monocytogenes Proteus mirabilis Shigella
Narrow spectrum penicillins that are penicillinase resistant?
Dicloxacillin, nafcillin, oxacillin
AE of narrow spectrum penicillins?
Interstitial nephritis, hepatic metabolism
Function of clavulanic acid, sulbactam and tazobactum?
Beta lactamase inhibitors
Use of 1st generation cephalosporins?
PEcK: Proteus, E. coli, and Klebsiella
Use of 2nd generation cephalosporins?
HEN PEck:
H. flu, enterobacter, Neisseria
Proteus, E. coli, and Klebsiella
Which cephalosporin can be used for pseudomonase?
Ceftazidime (3rd generation)
What are the 3 main diseases that ceftriazone is used for?
Meningitis
Gonorrhea
Disseminated Lyme Disease
What are the AE of cephalosporins?
Disulfram like
Hemolytic anemia (coombs +)
increase nephrotoxcity of aminoglycosides
Which carbepenem is broad spectrum beta lactamase?
Imipenem
What are carbapenems ALWAYS administered wit?
cilastatin–> inhibitor or renal dehydropeptidase I to decrease inactivation of drug in renal tubules
AE of carbepenems?
Skin rash and sseizures
What is aztreonam used for?
Gram (-) rods only!!!
What class of antibiotics is aztreonam synergistic with?
Aminoglycosides
What type of bugs dose vancomycin work on?
Gram (+) ONLY!!!
3 major AE of vancomycin?
NOT
Nephrotoxicity
Ototoxicity
Thrombophlebitis
diffuse flushing (redman syndrome)
Which antibiotic inhibits tRNA binding at the A site?
Tetracyclines
Which antibiotics (2) lead to inhibition of translocation?
Macrolides and clindamycin
50S
Which antibiotic blocks peptidyl transferase?
Chloramphenicol (50S)
What is required for aminoglycosides to work?
O2
What are aminoglycosides used for?
Gram negative rod infections!!
AE of aminoglycosides?
Nephrotoxicity, neuromuscilar blockade, ototoxicity, teratogen
Mechanism of resistance to aminoglycosides?
acetylation, phosphorylation, pr adenulation
AE of tetracyclines?
Discoloration of teeth, inhibition of bone growth, photosensitivity
Mechanism of resistance to tetracyclines?
decreased uptake or increased efflux
What is chloramphenicol used to treat?
H. influenzae, N. meningitidis, S. pneumoniae, Rickettsia rickettsii
Which drug causes gray baby syndrome?
chlormaphenicol
What is clindamycin used for?
anaerobic infection in aspiration pneumonias, lung abscesses, and oral infections
Major AE associated with clindmycin?
C. diff colitis
What are linezolid and tedizolid used for?
MRSA and VRE (GRAM + Only)
What are the AEs of linezolid and tedizolid?
serotonin syndrome, BMS
What do macrolides treat?
atypical pneumonias, chlamydia, B. pertussis
AE of macrolides?
GI motility issues, prolonged QT interval
Which AIDS illnesses can be prophylazed with trimethoprim?
Pneumocystis jirovecii and toxoplasmosis
AE of trimethoprim?
Megaloblastic anemia and granulocytopenia
What do sulfonamdes treat?
nocardia, gram +, gram -, chlamydia
AE of sulfonamides?
Hypersensitivity reaction, hemolysis (G6PD deficient), nephrotoxicity, photosensitivity
AE of sulfonamides?
Hypersensitivity reaction, hemolysis (G6PD deficient), nephrotoxicity, photosensitivity
What are the respiratory flruoroquinolones?
Levofloxacin and moxifloxacin
What do fluoroquinolones treat?
Gram (-) rods of urinary and GI tracts (Pseudomonase, neisseria) and S. pneumo
“lipopeptide that disrupts cell membrane of gram positive cocci”
Daptomycin
Why can daptomycin NOT be used in respiratory infections?
inactivated by surfactant
Why can daptomycin NOT be used in respiratory infections?
inactivated by surfactant
AE of metronidazole?
Disulfram like reaction, HA, metallic taste
AE of metronidazole?
Disulfram like reaction, HA, metallic taste
DOC for pseudomonas?
Piperacillin and ticarcillin
Which drugs treats anaerobic infections above the diaphragm?
Clindamycin
What drug treats anaerobic infections below the diaphragm?
Metronidazole
Which drug inhibits proteins synthesis by binding to 50S subunit and preventing formation of the initiation complex?
Linezolid
“inhibit protein synthesis by blocking translocation”
macrolide
“inhibit bacterial dihydrofolate reductase”
trimethoprime
“inhibit folate synthesis via inhibition of dihydropteroate synthase”
sulfonamides
What can fluoroqinonoles NOT be taken with?
antacids
Which antibiotic can cause tendon rupture in people over 60yo?
fluoroquinolones
What is the mechanism of resistance to fluoroquinoloes?
chromosome encoded mutation in DNA gyrase
Plasmid mediated resistance
Efflux pumps
What are the AE of daptomycin?
Myopathy
Rhabdomyolysis
What is the mechanism of metronidazole?
forms toxic free radical metabolites in the bacterial cell that damage DNA