Although it is a different brand, the main ingredient of the drug is entecavir, so you can take it differently. Although entecavir has different brands, dosage form and dosage also have some differences, but its main ingredients have not changed, so its antiviral effect has not changed, even if it is changed to take generally will not cause too much effect. Therefore, Entecavir can be switched between different brands. However, you need to pay attention to the change of dosage specifications, such as 1mg/tablet before taking, change to 0.5mg/tablet you need to take two tablets. Entecavir should be taken under the guidance of a professional doctor, and during the period of taking the drug, liver function and hepatitis B virus DNA should be regularly rechecked.