Ledipasvir; Velpatasvir/Antacids; H2 Antagonists Interactions
This information is generalized and not intended as specific medical advice. Consult your healthcare professional before taking or discontinuing any drug or commencing any course of treatment.
Moderate. These medicines may cause some risk when taken together. Contact your healthcare professional (e.g. doctor or pharmacist) for more information.
How the interaction occurs:
Your hepatitis C medicine needs some gastric acid to be absorbed into the body. Antacids and H2 antagonists decrease the amount of acid in your stomach.Some vitamins may contain "hidden" antacids such as some forms of calcium and magnesium.
What might happen:
Your hepatitis C medicine may not work as well if the amount of medicine absorbed into your blood decreases.
What you should do about this interaction:
Let your healthcare professionals (e.g. doctor or pharmacist) know that you are taking these medicines together. You may need to change the timing or dose of your acid reducing medicine to avoid an interaction with your hepatitis medicine. If you have any questions about how or when to take your medicine, ask your pharmacist.Your healthcare professionals may already be aware of this interaction and may be monitoring you for it. Do not start, stop, or change the dosage of any medicine before checking with them first.
- 1.Harvoni (ledipasvir and sofosbuvir) US prescribing information. Gilead Sciences November, 2019.
- 2.Epclusa (sofosbuvir and velpatasvir) US prescribing information. Gilead Sciences, Inc. June, 2021.
- 3.Vosevi (sofosbuvir/velpatasvir/voxilaprevir) US prescribing information. Gilead Sciences, Inc. September, 2019.
CONDITIONS OF USE: The information in this database is intended to supplement, not substitute for, the expertise and judgment of healthcare professionals. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment.