Veritide is the trade name and the generic name is tenofovir disoproxil fumarate, and there is little difference in efficacy between the two except for the difference in origin. Imported is the original drug, the domestic belongs to the generic drug, whether imported or domestic, the composition is tenofovir disoproxil fumarate, the two efficacy is not much difference, are used in the treatment of hepatitis B, the specific choice of which, according to the condition and the doctor’s opinion. After the drug enters the body, it undergoes a series of metabolism and is converted into the active ingredient tenofovir diphosphate, which can inhibit the replication of the hepatitis B virus by terminating its DNA chain. The drug may cause adverse reactions such as renal insufficiency, renal failure, acute renal failure, and should be used with caution. Tenofovir dipivoxil fumarate is contraindicated in patients who are allergic to any of the ingredients in this drug. Domestic and imported effects are available, the specific choice of which, need to be based on the condition, the economic situation and follow the doctor’s instructions, before they have been taking imported recommendations or continue to take orally, if you want to change the domestic need to consult the doctor’s opinion.