Hepatitis Home > Epivir Dosage

The recommended Epivir dosage for treating hepatitis B is 100 mg once daily. Dosing for children 2 to 17 years old is determined by weight, about 1.36 mg per pound once daily. For HIV or AIDS treatment, Epivir dosing typically starts at 150 mg twice daily or 300 mg once daily. Children age 3 months to 16 years generally take 1.8 mg per pound twice daily.

Epivir Dosage: An Introduction

The dose of Epivir® (lamivudine) that your healthcare provider recommends will vary depending on a number of factors, including:
 
  • Whether you have HIV or hepatitis B
  • Your age
  • Whether you develop bothersome or dangerous side effects of Epivir
  • Other medical conditions you may have
  • Other medications you may currently be taking.
     
As always, do not adjust your Epivir dose unless your healthcare provider specifically instructs you to do so.
 

Epivir Dosing for Hepatitis B

The recommended Epivir dose for treating hepatitis B in adults is Epivir-HBV 100 mg once daily. For children 2 to 17 years old, Epivir dosing is based on weight, about 1.36 mg per pound once daily (up to a maximum of 100 mg per day).
 
A lower Epivir dosage may be recommended for people with kidney disease (such as kidney failure).
 

Epivir Dosing for HIV and AIDS

The recommended Epivir dose for treating HIV or AIDS in adults is Epivir 150 mg twice daily or Epivir 300 mg once daily. For children age 3 months to 16 years old, the recommended dose is based on weight, about 1.8 mg per pound twice daily (up to a maximum of 150 mg twice daily). A lower Epivir dosage may be recommended for people with kidney problems.
 
For people with both hepatitis B and HIV or AIDS, the dose for HIV or AIDS (which is higher) should be used.
 
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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