Let's take a minute to talk about your medication. This is Vemlidy and it helps control chronic Hepatitis B infection. It may help improve the condition of your liver. Vemlidy is usually taken once daily with food. You should take it exactly as prescribed by your doctor. Most people tolerate this medicine well. The most common side effect is headaches. This is normal if they are mild and should go away. If this or other side effects become reasons you want to stop taking this medicine, please talk to your doctor or pharmacist. As with any medicine, rare but serious side effects can occur. With Vemlidy these include problems with your kidneys and liver. You can also have increased lactic acid in your blood. You should read the Patient Information Sheet to know which symptoms to watch for, and when to report changes. Also, if you stop taking Vemlidy, your Hepatitis B virus may become worse. To prevent this, you must not miss doses or stop taking it, unless your doctor says it is okay. To help keep this medicine safe for you, your doctor will follow your condition closely and may order blood tests. While taking this medicine, you must still take precautions to prevent spreading Hepatitis B to others. If you also have HIV-1 infection, Vemlidy may make it harder to treat. Your doctor may test you for HIV-1 before you start this medicine. Vemlidy can interact with other medicines. You should always check with your doctor or pharmacist before taking any other medicines. Women should talk to their doctor before becoming pregnant or breastfeeding. For best results with Vemlidy, be sure to plan ahead for refills. Also, it is important to follow your doctors' recommendations for lab work.