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Epivir-HBV Dosage

Generic name: lamivudine
Dosage form: tablet, film coated and oral solution

See also:

The information at Drugs.com is not a substitute for medical advice. ALWAYS consult your doctor or pharmacist.

Adults:

The recommended oral dose of EPIVIR-HBV for treatment of chronic hepatitis B in adults is 100 mg once daily (see paragraph below and WARNINGS). Safety and effectiveness of treatment beyond 1 year have not been established and the optimum duration of treatment is not known (see PRECAUTIONS).

The formulation and dosage of lamivudine in EPIVIR-HBV are not appropriate for patients dually infected with HBV and HIV. If lamivudine is administered to such patients, the higher dosage indicated for HIV therapy should be used as part of an appropriate combination regimen, and the prescribing information for EPIVIR as well as EPIVIR-HBV should be consulted.

Pediatric Patients:

The recommended oral dose of EPIVIR-HBV for pediatric patients 2 to 17 years of age with chronic hepatitis B is 3 mg/kg once daily up to a maximum daily dose of 100 mg. Safety and effectiveness of treatment beyond 1 year have not been established and the optimum duration of treatment is not known (see PRECAUTIONS).

EPIVIR-HBV is available in a 5-mg/mL oral solution when a liquid formulation is needed. (Please see information above regarding distinctions between different lamivudine-containing products.)

Dose Adjustment:

It is recommended that doses of EPIVIR-HBV be adjusted in accordance with renal function (Table 8) (see CLINICAL PHARMACOLOGY: Special Populations).

Table 8. Adjustment of Adult Dosage of EPIVIR-HBV in Accordance With Creatinine Clearance

Creatinine Clearance

(mL/min)

Recommended Dosage of EPIVIR-HBV

≥50

100 mg once daily

30-49

100 mg first dose, then 50 mg once daily

15-29

100 mg first dose, then 25 mg once daily

5-14

35 mg first dose, then 15 mg once daily

<5

35 mg first dose, then 10 mg once daily

No additional dosing of EPIVIR-HBV is required after routine (4-hour) hemodialysis or peritoneal dialysis.

Although there are insufficient data to recommend a specific dose adjustment of EPIVIR-HBV in pediatric patients with renal impairment, a dose reduction should be considered.

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