Other antimicrobialss Flashcards
iodoquinolMOA
unknown
Atovaquone contraindications
pregnancy
bithionol MOA
uncouples ox-phos
Amphotericin B MOA
ergosterol-creates pores
Praziquantel MOA
increase permeability to Ca2+
pentamidine MOA
inhibit DNA replication
Sulfadoxine MOA
PABA
echinocandins MOA
beta (1,3)-D-glucan–cell wall
bactrim use
pneumocystis pnuemonia (DOC) prophylaxis against P. jirovecii in AIDS pts
schistosomes DOC
Praziquantel
What antifungal has good CNS penetration?
flucytosine
albendazole/mebendazole MOA
binds to tubulin–inhibits polymerazation and uptake of glucose
chloroquine MOA
interfere w/ lysosomal degradation of Hgb
other than TB, what can be treated with Rifampin?
Leprosy
Ivermectin MOA
paralyzes–intensifies GABA-mediated transmission of signals in peripheral nn
most common malaria species
P. vivax
Ethambutol MOA
inhibits arabinosyl transferase
dapsone MOA
PABA antagonist
e. hystolytica DOC
metronidazole+luminal
Pyrazinamide MOA
unknown
what is used to treat mycobacterium avium complex
- Clarithromycin or azithromycin
- Ethambutol
- Rifabutin or Rifampin or cipro
* R to clarithromycin–IV amikacin
<p>echinocandins spectrum</p>
invasive aspergillus in refractory pts
pyrantel/pamoate MOA
cholinesterase inhibitor–depolarizing NM
Pyrazinamide adverse effects
hepatic dysfunction
what drugs can be used for latent TB?
monotherapy:RifampinIsonazid
contraindications for chloraquine
psoriasis
porphyria (hematological)
dapsone adverse effects
nasal obstruction
DOC for crytpococcus
flucytosine w/ amphotericin B
adverse effects of amphotericin B
immediate: chills, feverover time: nephrotoxicity (irreversible)
side effects of griseofulvin
HA
what anti-protozoal has CNS penetration?
metronidazole
Mefloquine MOA
<p>unknown</p>
what is thalidomide used for?
moderate-severe erythema nodosum leprosum*teratogenic
Rifampin MOA
inhibits DNA dependent RNA polymerase
contraindications for griseofulvin
acute porphyria
hepatocellular failure
pregnancy/men w/in 6 mos of fathering child
azoles MOA
inhibits synthesis of ergosterol–inhibit growth
Isoniazid MOA
inhibits synthesis of mycotic acid–requires KatG
contraindications for emetine+dehydroemetine
renal insufficiency
cardiac problems
pregnancy
bactrim MOA
folate metabolism
Artemisinins MOA
unknown
tetracycline/erythromycin MOA
inhibit food source
onychomycosis DOC
griseolfulvin
echinocandins
caspofungin
micafungin
anidulafungin
g. lamblia DOC
metronidazole
pneumocystis pneumonia DOC
bactrim
Lumefantrine adverse effects
headacheQT prolongation
nystatin spectrum
candida infection
treatment for leprosy with 1-5 patches
Rifampin + Dapsone x6 mos
adverse effects of pentamidine
hypoglycemia
hypotension
arrthythmias
adverse effects of Isoniazid
liver damage peripheral neuritis drug-induced SLE CNS stimulation hemolysis (G6PDd)
Primaquine MOA
unknown
griseofulvin MOA
binds to microtbules
Rifabutin
same as Rifampin but milder and not quite as effective
Amphotericin B DOC
most systemic fungal infections
bithional spectrum
flukes
pentamidine use
P. jrovecii
Ethambutol adverse effects
decreased visual acuity
loss of green-red vision
PCNs of antifungals
echinocandins
ivermectin spectrum
roundworms
pyrimethamine+sulfadiazine adverse effects
high dose–hematalogic disorder
ivermectin adverse effects
puritustender LNs fever
which malarial species has R against chloroquine? and how/
R. falciparum
transport pump
Iodoquinol use
e. hystolitical–intestinal
asymptomatic
t. vaginalis DOC
metronidazole
Flucytosine MOA
metabolic antagonism of fungal DNA/RNA– converted to 5FU
Primaquine contraindications
SLE, RA-granulocytopenia
pregnancy, <6 mos, breast feeding- fetal hemolytic anemia
paromycin MOA
aminoglycoside–30S
adverse effects of emetine+dehydroemetine
cardiotoxicity
GI
teratogenicity
iodoquinol adverse effects
iodine-induced thyroid enlargement
malaria species with secondary tissue formation
P. vivaxP. ovale
Proguanil and Pyrimethamine MOA
inhibit DHFR
what drug has to be administered with folinic acid? and what is it called?
pyrimethamine+sulfadiazineleucovorin
toxoplasmosis DOC
pyrimethamine+sulfadiazine
Atovaquone MOA
mitochondrial ETC, ATP synthesis, pyrimidine synthesis
paromycin use
luminal–with metronidazole
asymptomatic
giardiasis, t. vaginalis
Lumefantrine MOA
unknown
adverse effects albendazole/mebendazole
+/- embryonic/teratogenic
mefloquine adverse effects
seziures, psychoses, vivid dreams
cardiotoxicity
albendazole/mebendazole spectrum
broad-roundworm
What drug can stimulate insulin release?
quinine
adverse effects of flucytosine
depression of bone marrow
GI
increased ALT/AST (reversible)
Rifampin adverse effects
potent inducer of P450s
decreased BC efficacy
*orange secretions
emetine+dehydroemetine use
alternative to metronidazole for severe intestinal infection
nystatin
polyene antibiotic
adverse effects of metronidazole
metallic taste
disulfiram
DOC for malaria
chloroquine
Pyrimethamine+Sulfadiazine MOA
folate metabolism
Mefloquine contraindications
pregnancy
epilepsy
primaquine adverse effects
GI
HA
caution- G6PDd
most lethal malaria species
P. falciparum
“Beaver Fever”
giardiasis
tetracycline/erythromycin use
alternatives for amebiasis/giardiasis with metronidazole
drug that binds to keratin to prevent infection in new skin
griseofulvin
adverse effects of chloroquine
retinal/corneal toxicity
hemolysis (G6PDd)
QT prolongation