Worsening of hepatitis B virus infection (HBV). If you have both Human Immunodeficiency Virus-1 (HIV-1) and HBV and stop taking DELSTRIGO, your HBV may suddenly get worse. Do not stop taking DELSTRIGO without first talking to your doctor, as they will need to monitor your health. Your doctor should test you for HBV infection before you start treatment with DELSTRIGO.
Do not take DELSTRIGO if you are currently taking any of the following medicines:
- carbamazepine
- oxcarbazepine
- phenobarbital
- phenytoin
- enzalutamide
- rifampin
- rifapentine
- mitotane
- St. John’s wort
Ask your doctor or pharmacist if you are not sure if your medicine is one that is listed above. If you have taken any of the medicines in the past 4 weeks, talk to your doctor or pharmacist before starting DELSTRIGO.
Do not take DELSTRIGO if you have ever had an allergic reaction to lamivudine.
New or worse kidney problems, including kidney failure, can happen while you are taking DELSTRIGO. Your doctor should do blood and urine tests to check your kidneys. If you develop new or worse kidney problems, your doctor may tell you to stop taking DELSTRIGO.
Some people who take DELSTRIGO experience bone problems such as pain, softening, or thinning of the bone. Tell your doctor if you have any of the following symptoms during treatment with DELSTRIGO: bone pain that does not go away or worsening bone pain; pain in your arms, legs, hands or feet; broken bones; or muscle pain or weakness.
Changes in your immune system (Immune Reconstitution Syndrome) can happen when you start taking HIV-1 medicines. Your immune system may get stronger and begin to fight infections that have been hidden in your body for a long time. Tell your doctor right away if you start having new symptoms after starting your HIV-1 medicine.
The most common side effects of DELSTRIGO include: dizziness, nausea, and abnormal dreams.
These are not all the possible side effects of DELSTRIGO. For more information, ask your doctor or pharmacist.
Before starting DELSTRIGO, tell your doctor about all your medical conditions, including if you have hepatitis B virus infection; kidney problems; bone problems, including a history of bone fractures; are pregnant or plan to become pregnant; or are breastfeeding or plan to breastfeed. It is not known if DELSTRIGO can harm your unborn baby. Do not breastfeed if you take DELSTRIGO. Women with HIV should not breastfeed because their babies could be infected with HIV through their breast milk.
Tell your doctor about all the medicines you take, including prescription and over-the-counter medicines, vitamins, and herbal supplements. Some medicines interact with DELSTRIGO. Keep a list of your medicines to show your doctor and pharmacist. Tell your doctor if you have taken rifabutin in the past 4 weeks. Do not start taking a new medicine without telling your doctor. Your doctor can tell you if it is safe to take DELSTRIGO with those other medicines.
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit www.fda.gov/medwatch or call FDA at 1-800-FDA-1088.
Please read the accompanying Patient Information for DELSTRIGO, including an important warning about the potential worsening of hepatitis B after stopping DELSTRIGO, and discuss it with your doctor. The physician Prescribing Information also is available.