antimicrobials pt 2 Flashcards
(84 cards)
Acyclovir (Zovirax) MOA
inihibits viral replication by suppressing synthesis of viral DNA
Acyclovir (Zovirax) indications
Topical for HSV
PO for HSV and VZV
IV for immunocompromised patients
Acyclovir (Zovirax) adverse effects
Generally well tolerated
Phlebitis with IV therapy
Nephrotoxicity- BUN, CREAT
Neurotoxicity- LOC
Acyclovir (Zovirax) nursing considersation
Viral resistance to therapy
Monitor renal function & fluid status
Monitor neuro status
Only decreases s/s in genitals; avoid sexual contact when lesions present and use protection
Use finger cot/rubber glove with topical
Ganciclovir (Cytovene) MOA
inhibits viral replication by suppressing synthesis of viral DNA
Ganciclovir (Cytovene) indications
prevention and treatment of CMV infection in immunocompromised pts
Ganciclovir (Cytovene) adverse effects
granulocytopenia
thrombocytopenia
teratogenic
Ganciclovir (Cytovene) nursing considerations
watch CBC for changes in WBC and PLT
coadmin with CSF, admin with food
education on contraception
Interferon Alfa MOA
blocks viral entry into cell
blocks synthesis of viral messenger RNA
blocks viral assembly and release
Interferon Alfa indications
HCV and HBV
Interferon Alfa adverse effects
flu like symptoms
neuropsychiatric - depression
bone marrow suppression
Interferon Alfa nursing considerations
acetaminophen PRN for flu-like s/s
monitor mental status
monitor CBC
monitor hepatits s/s and liver enzymes
Ribavirin (Rebetol) MOA
unclear but increases patient response to interferon alfa
Ribavirin (Rebetol) indications
hepatitis
Ribavirin (Rebetol) adverse effects
interferon alfa s/s
hemolytic anemia
fetal injury
Ribavirin (Rebetol) nursing considerations
monitor mental status
monitor CBC
monitor hepatitis s/s and liver enzymes
extended use of contraception due to prolonged half-life
Glecaprevir/Pibrentasvir (Mavyret) MOA
inhibit viral protease and NS5A
Glecaprevir/Pibrentasvir (Mavyret) indications
combination treatment for HCV genotypes 1-6 with or without cirrhosis
Glecaprevir/Pibrentasvir (Mavyret) adverse effects
nausea, fatigue, and headache
possible reactivation of HBV causing more liver injury
Glecaprevir/Pibrentasvir (Mavyret) nursing considerations
monitor hepatitis s/s and liver enzymes
pt must be tested for HBV and HCV before treatment
promote medication adherence since its a long regimen
oseltamivir (Tamiflu) MOA
prevents viral replication and prevents new viral particles from spreading to other cells
oseltamivir (Tamiflu) indications
flu
oseltamivir (Tamiflu) adverse effects
well tolerated
most common is n/v
hypersensitivity and neuropsychiatri s/s are rare
oseltamivir (Tamiflu) nursing considerations
rapid flu test (if theyve had flu for a couple days it wont work)
carefully assess for vaccination hx and onset of s/s
educate pt to monitor allergic rx