How should I take doravirine, lamivudine, and tenofovir?
Follow all directions on your prescription label and read all medication guides or instruction sheets. Use the medicine exactly as directed.
Take the medicine at the same time each day, with or without food.
If you also take a medicine called rifabutin, you may need to take an extra dose of doravirine (Pifeltro) about 12 hours after you take the doravirine, lamivudine, and tenofovir combination (Delstrigo). Follow your doctor's dosing instructions very carefully.
Use all HIV medications as directed and read all medication guides you receive. Do not change your dose or dosing schedule without your doctor's advice. Every person with HIV should remain under the care of a doctor.
Your doctor may perform blood and urine tests to make sure you do not have conditions that would prevent you from safely using this medicine. You may also need bone mineral density testing.
Store tablets at room temperature, away from moisture and heat. Keep the tablets in their original container, along with the packet or canister of moisture-absorbing preservative.
Do not put the tablets into a daily pill box.
If you've ever had hepatitis B, this virus may become active or get worse in the months after you stop using this medicine. You may need frequent liver function tests while using this medicine and for several months after your last dose.