phC Flashcards
isoniazid
inhibits acyl carrier protein reductase +beta ketoacy ACP synthase(inhibits synthesis of mycolic acid of cell wall)
rifampin
inhibits DNA dependent RNA polymerase → orange urine
pyrazinamide
forms pyrazinoic acid→inhibits plasma membrane function
ethambutol
inhibits arabinosyl transferase enzyme→inhibits cell wall synthesis of M tuberculosis
streptomycin
protein synthesis inhibitors(30S ribosomal subunit) taken IM!!!
kanamycin
30S ribosomal subunit inhibitor
cycloserine
inhibits D-alanine racemase and D-alaanine-D-alanine ligase→inhibits cell wall synthesis of tuberculosis
dapson
inhibits dihydropteroate synthetase→inhibits folate synthesis (used with rifampin for M. leprae)
chloroquine
inhibits heme polymerase→cant convert hematin into hemozoin against malaria
mefloquine
inhibits heme polymerase(slower than chloroquine) against malaria
quinine
similar to chloroquine(for P falciparum)
atovaquone
(+proguanil) for P falciparum→inhibits mitochondrial function
proguanil
folate synthesis inhibitors for P falciparum(+atovaquone)
artemether
blood schizonticide, creating free radicals
lumefantrine
+arthemether for P falciparum malaria or chloroquine resistant malaria
primaquine
for recurrent malaria(p. ovale+vivax)
metronidazole
anti-amoebiasis drug, create free radicals within bacterial cell
mebendazole
inhibits polymerizaiton of beta tubulin microtubules(orally)
levamisole
depolarizing NM blockade -paralysis for round worms
ivermectin
enhance GABA effect in worm by inhibiting glutamate transmission
niclosamide
inhibits oxidative phosphorylation for tenia saginata, solium
fluconazole
inhibits C14-alpha-demethylase which converts lanosterol into ergosterol
itraconazole
inhibits C14-alpha-demethylase which converts lanosterol into ergosterol, against dermatophytosis, coccidioidomycosis, histoplasmosis
voriconazole
inhibits C14-alpha-demethylase which converts lanosterol into ergosterol, against invasive aspergillosis, candida esophagitis(AIDS)
clotrimazole
inhibits C14-alpha-demethylase which converts lanosterol into ergosterol, for local use like vaginal candidiasis, tinea infection
amphotericin B
attacks fungal membrane directly by binding to ergosterol producing channels and destroying osmotic integrity+ cascade of oxidative reactions
nystatin
same as amphotericin B→binds to ergosterol and forms pore→ damage fungal membrane directly, used for vaginal candidiasis and diaper rash (TOPICAL USE bc more toxic and not used in systemically, not absorbed from mucous membrane and skin so limited to treatment of superficial candidiasis)
terbinafine
inhibitor of squalene epoxidase(squalene→squalene epoxide→ lanosterol into ergosterol)
flucytosine
inhibits DNA and RNA synthesis for cryptococcal meningitis(+amphotericin B)
caspofungin
inhibition of beta-D-glucan synthase →cell lysis of fungal cell wall
aciclovir
iv/oral/locally
phosphorylated accidentally by viral thymidine kinase→incorporated into DNA molecule and acts to inhibit DNA polymerase by competing with natural nucleotides
valaciclovir
taken orally**
acyclovir prodrug
ganciclovir
IV!!
guanosine analog like acyclovir
valganciclovir
PO!!
prodrug of ganciclovir
foscarnet
viral DNA polymerase inhibitors for Herpes family(CMV,VZV, HSV), NG for children
cidofovir
inhibits viral DNA polymerase (taken IV)
kind of like foscarnet for herpes meds
ribavirin
against RSV(AEROSOL, iv,po), RNA pol inhibitor
palivizumab
IM, monoclonal antibody against RSV
oseltamivir
=tamiflu(PO), against influenza virus A+B, inhibits neuraminidase
zidovudine
thyidine analogue, nucloside reverse transcriptase inhibitors
lamivudine
cytidine analogue of nucleoside reverst transcriptase inhibitors for HIV
emtricitabine
cytidine analogue of nucleoside RTI
tenofovir
nucleotide analogue of nucleotide RTI; NO CNS entry
abacavir
purine analogue of nucleotide RTI
etravirine
NNRTI, only against HIV-1
darunavir
protease inhibitors of HIV-cant cleave viral polyprotein into active protein to make new viral particles
ritonavir
protease inhibitors of HIV(most commonly used)
lopinavir
protease inhibitors of HIV
maraviroc
blocks CCR5 coreceptor that works with gp120 for HIV molecule to come inside host cell
dolutegravir
integrase inhibitor which cant integrate viral DNA into host DNA to make new HIV viruses
interpheron alpha
inhibits viral protein synthesis
-promote breakdown of viral RNA
-↑expression of MHC-1 molecule to be detected by cytotoxic T cells
-against Hep B+C
tenofovir
nucleotide AMP analogue, termination of DNA transcription (NtRTI) for hep B!!
entecavir
po
-nucleoside guanosine analogue, inhibits RT enzyme
-against hep B
grazoprevir
NS3/4A protease inhibitors for hep C
paritaprevir
NS3/4A protease inhibitors for hep C
velpatasvir
non-nucleotide NS5A polymerase inhibitors for Hep C (chronic)
elbasvir
non-nucleotide NS5A polymerase inhibitors for Hep C (chronic)
dasabuvir
Buvir=’B’→ non nucleoside NS5B polymerase inhibitors for hep C
sofosbuvir
Buvir=’B’→ nucleotide NS5B polymerase inhibitors for Hep C
crystalline penicillin G
IV
benzathine penicillin G
IM, against S pyogees, agalactiae, treponema etc
penicillin V
orally, mainly against oropharyngeal infection
flucloxacillin=flucoxacillin
one of penicillins!!
intrinsically beta lactamase resistant(bc of bulky side chains), against gram positive aerobes(staph aureus)
amoxicillin
IV or ORALLY!, betalactamase sensitive penicillins, + clavulanic acid(beta lactamase inhibitor)
ampicillin
IV or IM, beta lactamase sensitive penicillins, +sulbactam(beta lactamse inhibitor)
piperacillin
antipseudomonal penicillins, IV, +tazobactam(beta lactam lactamase)
cephalexin
PO!
1st gen cephalosporin
cefazolin
IV, 1st gen cephalosporin
cefurozime-axetil
PO!, 2nd gen cephalosporin
cefoxitin
IV, 2nd gen cephalosporin
cefexime
PO, 3rd gen cephalosporin
ceftriaxone
IV, 3rd gen cephalosporin
cefotaxime
IV, 3rd gen cephalosporin
ceftazidime
IV, 3rd gen cephalosporin
cefepime
IV, 4th gen cephalosporin
ceftolozane+tazobactam
IV, 4th gen cephalosporin
ceftarolin-fosamil
IV, 4th gen cephalosporin
cefiderocol
5th gen cephalosporin
imipenem
2nd gen carbapenems, resistant to most beta lactamases, PARENTAL admin, for sepsis and pneumonia
meropenem
2nd gen carbapenems, PARENTAL admin, for meningitis and sepsis
doripenem
2nd gen carbapenems, PARENTAL admin, for meningitis and sepsis
aztreonam
monobactam, resistant to beta lactamase enzyme
clavulanate
beta lactamase inhibitors
=clavulanic acid used +amoxicillin
tazobactam
beta lactamase inhibitors
+piperacillin(antipseudomonal)
vaborbactam
carbapenemase inhibitor
+meropenem(carbapenem beta lactam anitibiotic)→towards anti-listeria
chloramphenicol
IV, 50S subunit inhibitor→block peptidyl transferase against meningitis and RIckettsia infections
colistin(polymyxin E)
IV or IM, cell membraine inhibitor against acinetobactor buumani
SMX+TMP
SMX inhibits dihydropteroate synthase enzyme(PABA→dihydropteroate)
TMP inhibits dihydrofolate reductase(dihydropteroic acid →tetrahydrofolate)
proguanil
prodrug, inhibitor of dihydrofolate reductase enzyme against malaria prophylaxis
doxycycline(tetracycline)
30S subunit inhibitors, PO or IV
tigecycline
30S subunit inhibitor, only IV!!
streptomycin
aminoglycosides-30S inhibitor
neomycin
aminoglycosides-30S inhibitor
only TOPICAL
kanamycin
aminoglycosides-30S inhibitor
gentamycin
aminoglycosides-30S inhibitor
tobramycin
aminoglycosides-30S inhibitor, TOPICAL(cream)=TOBRA
amikacin
aminoglycosides-30S inhibitor
netilmycin
aminoglycosides-30S inhibitor
norfloxacin
1st gen fluoroquinolones
ciprofloxacin
2nd gen fluoroquinolones
ofloxacin
2nd gen fluoroquinolones
levofloxacin
3rd gen fluoroquinolones
moxifloxacin
4th gen fluoroquinolones
clarithromycin
inhibits 23S ribosomal RNA of 50S subunit
azithromycin
inhibits 23S ribosomal RNA of 50S subunit
roxithromycin
inhibits 23S ribosomal RNA of 50S subunit
dose of azithromycin
1*500mg for 3 days
clindamycin
50S inhibitor, orally
quinupristin
50S inhibitor(prevent elongation of polypeptide), IV
dalfopristin
50S inhibitor(peptidyl transferase); enhance binding of quinupristin, IV
linezolid
50S inhibitor(inhibits initiation complex formation @A site)
vancomycin
cell wall synthesis inhibitor
teicoplanin
cell wall synthesis inhibitor
kinda like vancomycin
oritavancin
‘VAN’–vancomycin related, IV, cell wall synthesis inhibitor
fusidic acid
protein synthesis inh
daptomycin
inhibits cell membrane by creating efflu pump(of K+) into cell wall
for staph aureus bacteremia
bacitracin
cell wall inhibitor
mupirocin
protein synthesis inh for impetigo
(bread jam mup)
isoleucyl tRNA synthesis inhibitors!
metronidazole
creates free radical O2 species→damage bacteria DNA
fidaxomicin
prtoein synthesis inh(inh of RNA poly)
mainly against C difficile
rifaximin
inh of RNA poly
nitrofurantoin
inh synthesis o protein, cell wall, DNA and RNA, used against UTI!
fosfomycin
inh enolpyruvate transferase→no formation of N-acetylmuramic acid making cell wall→ inhibits cell wall synthesis, used for women w uncomplicated UTI