What is Vemlidy: Uses, Warnings & Interactions

Updated May 14, 2025  •  Published Dec 31, 2020

Vemlidy overview

BRAND NAMES:

  • Vemlidy

Generic Names:

  • Vemlidy

Uses:

  • Treats chronic hepatitis B infection in adults with compensated liver failure.

Therapeutic Classes:

  • Antiretroviral Agent

Forms:

  • Tablet

How it’s taken:

  • By mouth

What is Vemlidy used for?

Vemlidy is an antiviral used to treat patients with chronic hepatitis B of the liver. It works by preventing the hepatitis B virus from multiplying in your body. Vemlidy is indicated for use by adults and is available as a tablet.

What form(s) does Vemlidy come in

  • Tablet

What are common Vemlidy doses?

  • Bottle 30 Tablets

Common Vemlidy prescriptions

  • Vemlidy
    30 tablets bottle

How to take Vemlidy

  • Read and follow the patient instructions that come with this medicine. Talk to your doctor or pharmacist if you have any questions.

  • Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Keep the bottle tightly closed. Keep the medicine in the original bottle.

  • Oral routeIt is best to take this medicine with food or milk.

  • Your doctor will tell you how much medicine to use. Do not use more than directed.

  • Missed dose: Take a dose as soon as you remember. If it is almost time for your next dose, wait until then and take a regular dose. Do not take extra medicine to make up for a missed dose.

  • Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Keep the bottle tightly closed. Keep the medicine in the original bottle.

  • Your doctor will tell you how much medicine to use. Do not use more than directed.

  • Missed dose: Take a dose as soon as you remember. If it is almost time for your next dose, wait until then and take a regular dose. Do not take extra medicine to make up for a missed dose.

  • Read and follow the patient instructions that come with this medicine. Talk to your doctor or pharmacist if you have any questions.

  • Oral routeIt is best to take this medicine with food or milk.

What to do if you miss a dose of Vemlidy

Vemlidy contraindications

  • This medicine is not right for everyone. Do not use it if you had an allergic reaction to tenofovir alafenamide.

Vemlidy warnings

  • Your doctor will do lab tests at regular visits to check on the effects of this medicine. Keep all appointments.

  • This medicine may cause the following problems:Lactic acidosis (too much acid in the blood)Severe liver problemsWorsening of hepatitis B infection (if the medicine is stopped)Kidney problems

  • Keep all medicine out of the reach of children. Never share your medicine with anyone.

  • Tell your doctor if you are pregnant or breastfeeding, or if you have kidney problems or liver disease.

Vemlidy interactions

  • Some medicines can affect how tenofovir alafenamide works. Tell your doctor if you are using any of the following:Acyclovir, carbamazepine, cidofovir, ganciclovir, gentamicin, oxcarbazepine, phenobarbital, phenytoin, rifabutin, rifampin, rifapentine, St John's wort, valacyclovir, valganciclovirNSAID pain or arthritis medicine (including aspirin, celecoxib, ibuprofen, naproxen)

Vemlidy side effects

Serious Side Effects

  • Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing

  • Fast breathing, trouble breathing, lightheadedness, severe weakness, tiredness, confusion

  • Dark urine or pale stools, nausea, vomiting, loss of appetite, stomach pain, yellow skin or eyes

  • Change in how much or how often you urinate, cloudy urine

Less Serious Side Effects

  • Headache

  • Cough

  • Tiredness