Dosage:
For Adults:
- Chronic Hepatitis B (naive to treatment): The usual dose is 0.5 mg once daily.
- For Treatment-Experienced Patients: If the patient has developed resistance to previous antiviral therapies (such as lamivudine), the dose may be increased to 1 mg once daily.
For Children (2 years and older):
- Dosage varies based on body weight and the severity of the disease. A healthcare provider will adjust the dose as necessary.
Renal Impairment:
- For patients with kidney problems, the dose may need to be adjusted based on the level of kidney function. If there is significant renal impairment, the doctor may choose a lower dose or alternate treatment.