Pharm2Anti-Viral/Protozoa Flashcards
inhibit viral neuraminidase and block viral rep?
Oseltamivir- PO & Zanamivir- inhalation
both CI in neonates
zanmivir CI in COPD & asthma
inhibits viral mRNA syn/transcription
virazole given by inhalation for serious RSV infix
CI in ?
ribavirin
pregnancy
monoclonal ab against RSV- prophy in high risk peds pts for LRT Dz
palivizumab - IM
DOC for HSV encephalitis, zoster?
also tx HSV 1,2, labialis, CMV prophy
acyclovir- PO/IV!!
ORAL for genital herpes, herpes labialis, zoster
valacyclovir
HSV keratitis & keratoconjunctivitis
trifluridine aka virOPTIC
topical tx of herpes labialis
penciclovir
prodrug of pen; ORALLY for zoster
famciclovir
Docosanol?
OTC for herpes labialis
TREATS CMV retinitis and CMV prophy
s/e- myelosuppression
ganciclovir
IV for CMV retinitis?
cidofovir foscarnet (only one not phosphorylated- pyrophosphate derivative)
foscarnet s/e?
electrolyte disturbances- hypoCa&K
NRTIs MOA similar to ?
- nucleosides phophorylated into ? by ? in the virus and then in the host
- only activated in cells infected with virus
- converted into ? in cells and inhibit ?
- s/e? (3)
acyclovir
nucleotides, protein kinases
triphosphate, RT
myelosuppression, peripheral neuropathies, hepatomegaly w/ steatosis
directly & non competitively inhibit RT by disrupting RT catalytic site? (aren’t nucleosides so DONT need to be activated)
NNRTIs
neVIRapine, delaVIRdine, efaVIRenz, etraVIRine
w/ fusion inh (enfuviritide- sQ), increased risk of ?
bind to viral envelop glycoprotein and prevent HIV from entering ?
pneumonia
WBCs