Imported Tenofovir can usually be exchanged for the domestic one, but you need to follow your doctor’s advice. Imported tenofovir is mainly used in patients with hepatitis B and hepatitis attack who need liver protection as well as antiviral treatment, which can effectively inhibit the replication of the virus and stabilize the patient’s condition. The domestic tenofovir and imported drugs in fact, there is no obvious difference, mainly price, active ingredients, there are some differences, the overall effect and role are similar, can be replaced with each other or replacement. However, the imported tenofovir belongs to the original product, for some patients in more serious conditions, it is generally not recommended to replace, need to wait until the condition is stabilized to change the drug, so as not to affect the patient’s condition, the specific need to listen to the guidance of a professional doctor. For patients with liver disease, the treatment plan and drug selection need to have professional guidance, otherwise it will lead to aggravation of the condition.