There is no clear fixed statement on how long you need to take Emi Tenofovir Tablets, depending on the course of treatment, in the treatment of chronic hepatitis B, the duration of treatment is unknown. Tenofovir tablets are mainly used for the treatment of human immunodeficiency virus type 1 infection, chronic hepatitis B. In the use of Emi tenofovir tablets treatment, the duration of medication is not fixed, should be based on the patient’s physical condition and the effect of treatment under the guidance of the doctor to adjust the course of medication, the patient should be strictly in accordance with the instructions of the drug under the guidance of the doctor to take medication, do not blindly stop taking the drug. In the treatment of hepatitis with tenofovir, patients blindly stop the drug may lead to acute exacerbation of hepatitis and recurrence of the disease. If you want to receive treatment again after stopping the drug, at least six months after stopping the drug, you should follow up with laboratory to test liver function regularly, and then decide whether you can resume taking the drug treatment. The medication should be taken in strict accordance with the prescribed dosage, so as not to miss the dose to affect the body’s drug resistance. The drug may lead to kidney function damage, headache, diarrhea, etc., and is prohibited for those who are allergic to the drug.