Institutional stuff Flashcards
Natural PCN good coverage
Strep
Treponema pallidum
Natural PCN mod coverage
Enterococci
Natural PCN duration
Short T1/2 = frequent admin
Procaine/Benzathine are IM and longer duration
DOC for syphillis
PCN G Benzathine
Anti-staph good coverage
MSSA
Strep
Anti-staph ADE
AIN
Phlebitis- can use first gen ceph bc same coverage but less frequent admin and less renal dysfunction and less phlebitis
Anti-staph PCNs
Nafcillin, Oxacillin, Methcillin, Dicloxacillin
Aminopenicillin good coverage
Enterococci
Streptococci
Aminopenicillin mod coverage
Enteric GNRs
Haemophilus
Aminopenicillins
Amoxicillin
Ampicillin
Aminopenicillin ADE
Diarrhea! when PO
DOC for Enterococcus faecalis
Ampicillin
PCN/B-lactamase inhibitors
Amoxicillin/Clavulanate
Piperacillin/Tazobactam
Ampicillin/Sulbactam
PCN/B-lactamase inhibitors good coverage
MSSA
Strep
Enterococci
Anaerobes
Enteric GNRs
Pseudomonas (Zosyn)
PCN/B-lactamase inhibitors mod coverage
GNRs w/ advanced beta-lactamases
DOC for Acinetobacter
Unasyn (Sulbactam)
1st gen ceph
Cefazolin
Cephalexin
Cefadroxil
1st gen ceph good coverage
MSSA
Strep
1st gen ceph mod coverage
some enteric GNRs
1st gen ceph cross-reactivity
Cephalexin/Cefadroxil same side chain as Amoxillin/Ampicillin so high cross reaction
(also 2nd gen Cefaclor and Cefprozil)
Cefazolin does not have side chain so low cross reaction
2nd gen ceph
Cefuroxime
Cefoxitin
Cefotetan
Cefprozil
Cefaclor
1st gen ceph general coverage
Good Gram+ bad Gram -
2nd gen ceph general coverage
better Gram - than 1st gen but slightly less Gram +
2nd gen ceph good coverage
Some enteric GNRs
Haemophilus
Neisseria
2nd gen ceph mod coverage
Strep
Staph
Anaerobes (Cefotetan and Cefoxitin)
2nd gen ceph ADEs
Cefotetan has N-MTT side chain= Vit K inhibition and disulfiram rxn w/ EtOH
2nd gen ceph cross reactivity
Cefaclor and Cefprozil same side chain as Amoxillin/Ampicillin/Cephalexin/Cefadroxil so high cross reaction
3rd gen ceph
Ceftriaxone
Cefuroxime
Cefotaxime
Ceftazidime
Cefdinir
Cefpodoxime
Cefixime
3rd gen ceph general coverage
better Gram- than 1st/2nd
Good strep but less good staph
3rd gen ceph good coverage
Strep (not Ceftazadime)
Enteric GNRs
Pseudomonas (only Ceftazadime)
3rd gen ceph mod coverage
MSSA (not ceftazadime)
3rd gen ceph ADEs
C. diff
Cefpodoxime has N-MTT
4th gen ceph
Cefepime
4th gen ceph general coverage
G- and +
1st + 3rd gen coverage basically
4th gen ceph good coverage
MSSA
Strep
Pseudomonas
Enteric GNRs
4th gen ceph mod coverage
Acinetobacter
4th gen ceph ADE
neurotoxicity
anti-MRSA ceph
Ceftaroline
ceftaroline good coverage
MSSA
MRSA
Strep
Enteric GNRs (E. coli, Klebsiella, Proteus)
ceftaroline mod coverage
E. faecalis
ceftaroline ADE
neutropenia
Siderospore ceph
Cefiderocal (fetroja)
Fetroja MOA
complex w/ iron and brought into cel where it destroys cell wall
fetroja good coverage
Pseudomonas
Enteric GNRs (ESBL, carbapenemase producers)
Stenotrophomonas matophilia
fetroja mod coverage
A. baumannii
Ceph/B-lactamase inhib
Ceftazadime/Avibactam (Avycaz)
Ceftolozane/Tazobactam (Zerbaxa)
Avycaz/Zerbaxa good coverage
Pseudomonas
Enteric GNRs (Enterobacter- avycaz>zerbaxa)
avycaz/zerbaxa mod coverage
some strep (zerbaxa)
Carbapenems
Imipenem/Cilastatin
Meropenem
Ertapenem
Carbapenem good coverage
MSSA
Strep
Anaerobes
Enteric GNRs
Pseudomonas (Not erta)
ESBL producing GNRs
carbapenem mod coverage
Enterococci (not erta)
Acinetobacter (not erta)
carbapenem ADEs
seizures (esp primaxin)
C/I w/ VPA
Monobactam
Aztreonam
aztreonam good coverage
Pseudomonas
GNRs
aztreonam mod coverage
Acinetobacter
aztreonam cross reaction
safe for beta lactam allergies except ceftazidime
glycopeptides
vancomycin
telavancin
glycopeptide MOA
D-ala-D-ala on PG chains
glycopeptide good coverage
MSSA
MRSA
Strep
C. diff (oral vanco only)
glycopeptide mod coverage
Enterococci
glycopeptide ADEs
Redman syndrome- decrease rate
Ototoxicity
Nephrotoxicity
Fluoroquinolones
Cipro
Levofloxacin
Moxifloxacin
Delafloxacin
FQ MOA
topoisomerase inhibitor
cipro good coverage
enteric GNRs (E. coli, Klebsiella, Proteus)
H. influenzae
cipro mod coverage
Pseudomonas
Atypicals
levo/moxi good coverage
Enteric GNRs
S. pneumoniae
Atypicals
H. influenzae
levo/moxi mod coverage
Pseudomonas (Levo)
MSSA
Anaerobes (Moxi)
FQ ADEs
dizziness
QT prolongation
tendon rupture
photosensitivity
FQ BBW
tendon rupture
myasthenia gravis
peripheral neuropathy
seizures
separate cations by 2 hours
Aminoglycosides
Gentamycin
Tobramycin
Amikacin
Streptomycin
Plazomicin
AG MOA
30S subunit
AG good coverage
GNB (E. coli, Klebsiella, Pseudomonas)
-Pseudomonas: A>T>G>P
-Klebsiella: P>A=G>T
Mycobacterium (Amikacin)
AG mod coverage
Staph (in combo)
Viridans strep
Enterococci
Acinetobacter
AG ADEs
nephrotoxicity
ototoxicity
neuromuscular blockade activation
AG levels
concentration dependent killing
draw peak 30 min after infusion ends
draw trough w/in 30 min of next dose
Tetracyclines
Doxycycline
Minocycline
Tetracycline
Tigecycline
Eravacycline
Omadacycline
TC MOA
30S subunit
Tetra/doxy/mino good coverage
Atypicals
Rickettsia
Spirochetes (H. pylori, Borrelia burgdorferi)
Plasmodium (malaria)
tetra/doxy/mino mod coverage
Staph (including MRSA)
S. pneumoniae
Tige/erav/omad good coverage
atypicals
enterococci (including VRE)
staph (including MRSA)
S. pneumoniae
S. agalactiae
S. pyogenes
TC ADEs
GI irritation- take w/ water standing up
Photosensitivity
Dizziness/vertigo (Mino)
teeth discoloration
cation chelation- admin 2 hours apart
Macrolides
Azithromycin
Erythromycin
Clarithromycin
Macrolide MOA
50S subunit
Macrolide good coverage
Atypicals
H. influenzae
Moraxella
H. pylori
Mycobacterium
macrolide mod coverage
S. pneumoniae
S. pyogenes
macrolide ADEs
significant GI- Ery for GI motility
hepatic issues
QT prolongation
Oxazolidinones
Linezolid
Tedizolid
Linezolid MOA
50S subunit
Linezolid good coverage
MSSA
MRSA
Strep
Enterococci (including VRE)
Nocardia
Linezolid mod coverage
some atypicals
mycobacterium tuberculosis
Linezolid ADEs
BMS (thrombocytopenia)- don’t use longer than 2 weeks
Peripheral neuropathy
Lactic acidosis
Linezolid DDI
SSRIs
Nitromidazoles
Metronidazole
Tinidazole
Metronidazole MOA
form free radicals that damage DNA
Metronidazole good coverage
Anaerobes (Bacteroides, Fusobacterium, Clostridium,
Protozoa (trichomonas, entamoeba, giardia)
metronidazole mod coverage
H. pylori
Metronidazole ADEs
GI
peripheral neuropathy
seizures
disulfiram Rxn
warfarin interaction
Fosfomycin MOA
inhibits cell wall synthesis
Nitrofurantoin and Fosfomycin good coverage
E. coli
S. saprophyticus
Nitrofurantoin and Fosfomycin mod coverage
Citrobacter
Klebsiella
Proteus
Enterococci
Serratia (Fosfo)
Nitrofurantoin and Fosfo ADEs
GI
Nitro can cause acute pneumonitis or chronic pulmonary fibrosis
Lipopeptide
Daptomycin
Dapto MOA
depolarization and cell death due to leakage of intracellular cations
Dapto good coverage
MSSA
MRSA
Strep
Dapto mod coverage
Entercocci (including VRE)
Dapto ADEs
myalgias/rhabdo- monitor CK weekly
inactivated by pulmonary surfactants
Dapto dosing
approved: 4-6mg/kg/d
8-10mg/kg/d for severe staph
10-12mg/kg/d for enterococcal endocarditis
Folate antagonists
Sulfa/Trimeth
Dapsone
Pyrimetamine
Sulfadiazine
Folate antagonist MOA
depete folate and inhibit DNA
Folate antag good coverage
S. aureus
H. influenzae
Stenotrophomonas
Listeria
Pneumocycsitis jirovecii
Toxoplasma gondii
folate antag mod coverage
enteric GNRs
S. pneumoniae
Salmonella
Shigella
Nocardia
S. pyogenes
Folate antag ADEs
rash
SJS
BMS w/ bactrim
crystalluria and AINF
folate antag DDIs
avoid warfarin w/ bactrim
Lincosamides
Clindamycin
Clinda MOA
50S ribosome
Clinda good coverage
G+ anaerobes
Plasmodium (malaria)
S. pyogenes
Clinda mod coverage
S. aureus
S. agalactiae
G- anaerobes
chlamydia trachomatis
Pneumocystis jirovecii
Actinomyces
Toxoplasma
Clinda ADEs
GI- diarrhea –> C. DIFF!!!
rash
SJS
Polymyxins
Colistin
Polymyxin B
Polymyxin MOA
bind to outer membrane of G- bacteria and disrupt membrane stability causing leakage
Polymyxin good coverage
Many GNRs (including MDR A. baumannii, pseudomonas, K. pneumoniae)
polymyxin mod coverage
stenotrophomonas maltophilia
Polymyxin ADEs
acute tubular necrosis
Neurotoxicity
neuromuscular blockade
Polyene antifungals
Amphotericin B (liposomal)