Entecavir Dispersible Tablets are usually taken once a day. Entecavir Dispersible Tablets is a kind of drug that can inhibit the polymerase of hepatitis B virus, so patients with chronic adult hepatitis B who are in the stage of active viral replication and also show active lesions can take this drug orally, and also nucleoside primers aged 2 to 18 years old with compensated hepatic disease of chronic hepatitis B infection can be given the drug. The drug should be taken once a day, and the exact dosage should be prescribed by the doctor. The most common adverse drug reactions caused by entecavir dispersible tablets are headache, dizziness, physical fatigue and nausea. People who are allergic to entecavir or any of the ingredients contained in the drug need to disable the drug. With entecavir, it is important to closely monitor liver function. Patients with renal insufficiency need to have the dosage of the drug reasonably adjusted under the supervision of a physician. Individuals should take entecavir tablets in strict compliance with the doctor’s instructions, and if any symptoms of discomfort occur during the use of the drug, it is important to inform the physician in a timely manner.