WARNING: POST TREATMENT ACUTE EXACERBATION OF HEPATITIS B See full prescribing information for complete boxed warnings. Severe acute exacerbations of hepatitis B have been reported in patients who are coinfected with HIV-1 and HBV and have discontinued products containing emtricitabine (FTC) and/or tenofovir disoproxil fumarate (TDF), and may occur with discontinuation of ODEFSEY. Hepatic function should be monitored closely in these patients. If appropriate, anti-hepatitis B therapy may be warranted. (5.1) Talk to your doctor about any allergies you may have. Skin and hypersensitivity reactions can occur if you are allergic to Odefsey or any of the ingredients or excipients. Tell your doctor about any medications you take. Odefsey can interact with certain medications that can cause severe reactions. Once you are prescribed and buy Odefsey, then it is important to know that Odefsey can cause liver damage. Liver enzymes should be monitored. Depressionor mood changes have been reported with Odefsey treatment. Tell your doctor right away if you experience sadness, hopelessness,anxiety, or suicidal thoughts or ideations. Odefsey can cause kidney damage or worsen kidney function. Kidney function and labs should be monitored. Taking Odefsey with other medications that can causeQT prolongationcan increase the risk of Torsade de Pointes. Lactic acidosis or liver enlargement may occur with Odefsey treatment. Your doctor may discontinue Odefsey if you develop symptoms or lab findings of lactic acidosis or liver damage. Your immune system may change with the use of Odefsey. Tell your doctor if you are pregnant, plan to become pregnant, breastfeeding, or plan to breastfeed.