Does Efavirenz Lamivudine And Tenofovir Disoproxil Fumarate Interact with Velpatasvir?
Efavirenz Lamivudine And Tenofovir Disoproxil Fumarate and Velpatasvir have a unknown drug interaction according to U.S. FDA drug labeling data. Hepatitis C antiviral agents: Boceprevir Elbasvir/Grazoprevir Pibrentasvir/Glecaprevir Simeprevir Velpatasvir/Sofosbuvir Velpatasvir/Sofosbuvir/ Voxilaprevir Ledipasvir/Sofosbuvir ↓boceprevir* ↓elbasvir ↓grazoprevir ↓pibrentasvir ↓glecaprevir ↓simeprevir* ↔EFV ↓velpatasvir ↓velpatasvir ↓voxilaprevir ↑TDF Concomitant administration of boceprevir is not recommended. Coadministration of EFV and sofosbuvir/velpatasvir is not recommended because it may result in loss of therapeutic effect of sofosbuvir/velpatasvir. Coadministration of EFV and sofosbuvir/velpatasvir/voxilaprevir is not recommended because it may result in loss of therapeutic effect of sofosbuvir/velpatasvir/voxilaprevir. Patients taking both medications should consult their healthcare provider before starting, stopping, or changing the dosage of either drug. This information is based on official FDA drug labeling sourced from OpenFDA and the NIH National Library of Medicine.
- Severity
- Unknown
- Efavirenz Lamivudine And Tenofovir Disoproxil Fumarate Class
- Human Immunodeficiency Virus 1 Non-Nucleoside Analog Reverse Transcriptase Inhibitor
- Management
- Consult your pharmacist
- Data Source
- U.S. FDA via OpenFDA
What To Tell Your Doctor or Pharmacist
If you are taking Efavirenz Lamivudine And Tenofovir Disoproxil Fumarate and your doctor is considering prescribing Velpatasvir (or vice versa), make sure to:
- Inform your doctor and pharmacist of all current medications, including over-the-counter drugs and supplements
- Ask whether the benefits of combining these medications outweigh the risks for your specific situation
- Ask what symptoms to watch for that would indicate the interaction is causing problems
- Never stop or change either medication without first consulting your healthcare provider