Tenofovir dipivoxil tablets generally refer to tenofovir disoproxil fumarate tablets, tenofovir disoproxil fumarate tablets are usually less prone to drug resistance. Tenofovir disoproxil fumarate tablets are systemic antiviral drugs, the main component is tenofovir disoproxil fumarate. Tenofovir disoproxil fumarate tablets are used in combination with other antiretroviral drugs for the treatment of human immunodeficiency virus type 1 infection. It is used for the treatment of chronic hepatitis B in adults and pediatric patients 12 years of age and older. Tenofovir Disoproxil Fumarate Tablets are contraindicated in people who are allergic to any of the ingredients in Tenofovir Disoproxil Fumarate Tablets. Tenofovir disoproxil fumarate tablets are usually not easy to develop drug resistance, but due to the time of use of the drug, different personal constitution, some patients may develop drug resistance, but the specific use of how long will develop drug resistance, there is no clear clinical data to support. The use of drugs should be carried out under the guidance of a doctor, patients should not blindly use their own drugs, so as not to delay the condition or cause adverse reactions.