Tenofovir, tenofovir disoproxil fumarate tablets from Bexin and Qilu, belong to different brands of the same drug and work in the same way. Tenofovir disoproxil fumarate tablets have anti-HIV and anti-hepatitis B virus effects. It is used for the treatment of HIV infection and for the treatment of chronic hepatitis B in people aged 12 years and older. Adverse reactions to tenofovir dipivoxil fumarate tablets include gastrointestinal disturbances such as diarrhea, vomiting, nausea, flatulence, hypophosphatemia, mild to moderate decrease in serum phosphates, lactic acidosis, and other adverse reactions. This product is contraindicated in people who are allergic to any of the components in this drug. Patients should be treated with a rational choice of drugs under the guidance of a doctor.