Tenofovir disoproxil fumarate tablets instructions recommended dosage is 300 mg once daily, orally, on an empty stomach or with food, in adults and pediatric patients 12 years of age and older (35 kg and older). Tenofovir disoproxil fumarate tablets may be used in combination with other antiretroviral drugs to treat HIV-1 infection in adults; to treat chronic hepatitis B in adults and pediatric patients 12 years of age and older. Common adverse reactions to tenofovir disoproxil fumarate tablets include symptoms such as hypophosphatemia, dizziness, diarrhea, nausea, vomiting, flatulence, elevated aminotransferases, rash, and malaise. In addition, tenofovir disoproxil fumarate tablets are contraindicated in patients who are hypersensitive to the ingredients contained in tenofovir disoproxil fumarate tablets, this drug should not be used in combination with fixed-dose combinations containing tenofovir, this drug should not be used by pregnant or lactating women, and safety and efficacy of this drug have not been established for use in children under the age of 2 years and in elderly patients over the age of 65 years. If you need to use tenofovir disoproxil fumarate tablets, please follow the doctor’s instructions to standardize the treatment, do not blindly use their own medicine.