Treatment of hepatitis Flashcards
Drugs used in for treating hepatic encephalopathy
Lactulose
Rifaximin
Metronidazole
Neomycin
Zinc sulfate
Osmotic laxatives
Symptoms of lactulose overdose
Ileus
Severe diarrhea
Electrolyte disturbances
Hypovolemia
Drug to avoid in acute HAV infection
Acetominophen
Drug class of entacavir
Nucleoside and nucleotide reverse transcriptase inhibitor
Guanosine nucleoside analog used to treat HBV infection
Entacavir
Adenosine analogs used to treat HBV infection
Tenofovir
Adefovir
Thymidine nuclease analog used to treat HBV infection
Telbivudine
Cytidine analog used to treat HBV infection
Lamivudine
Mechanism of nucleoside and nucleotide reverse transcriptase inhibitors
Inhibit formation of DNA copy of viral RNA
Drug used for HBV, HCV, and refractory HPV that activates JAK-STAT signaling pathway and T cells
Interferon alfa
Interferon alfa specific for HBV infection
INF-alfa-2b
Interferon alfa specific for HCV infection
INF-alfa-2a
INF-alfa-2b
INF alfacon-1
Dose-limiting toxicities of interferon alfa
Depression
Neurasthenia
Myelosuppression
Autoimmune disorders
Contraindications of interferon alfa
Hepatic decompensation
Autoimmune disease
Hx of arrhythmia
Coadministration of didanosine or zidovine
Depression
First line agents for HBV infection
Pegylated interferon alfa
Entecavir
Tenofovir
Second line agents for HBV infection
Lamivudine
Telbivudine
Adefovir
Drug class with potential to cure over 90% of pts with HCV infection
Direct-acting antivirals
Class of DAA that acts by inhibiting serine protease and cleavage of HCV polyprotein
NS3/4A protease inhibitors
Suffix of NS3/4A protease inhibitors
-previr
Suffix of NS5A inhibitors
-asvir
Class of DAA that acts by inhibiting activator of HCV RNA polymerase
NS5A inhibitors
Suffix of NS5B polymerase inhibitors and NS5B non-nucleoside inhibitors
-buvir
Classes of DAA that act by inhibiting HCV RNA-directed RNA polymerase
NS5B nucleoside polymerase inhibitors
NS5B non-nucleoside polymerase inhibitors
Purpose of Ritonavir in combinations of DAAs for HCV infection
Inhibits metabolism of paritaprevir by CYP3A
DAA active against all 6 HCV genotypes
Velpatasvir
Drug interaction of velpatasvir
Amiodarone –> bradycardia
Synthetic guanosine analog that can be used for HCV infection
Ribavirin
Uses of Ribavirin
Chronic HCV
Severe RSV