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Brand name: Zeffix TM

Active ingredients: lamivudine

What it is used for

Zeffix (lamivudine) is indicated for the treatment of children (2 years and above), adolescent and adult patients with chronic hepatitis B and evidence of hepatitis B virus (HBV) replication. This indication is based on changes in serological and histological markers in clinical studies of up to 2 years duration in adult patients with compensated liver disease and serological data up to 18 months in children and adolescents. Children and adolescent also require evidence of active hepatic inflammation. (see Clinical Trials). The safety and efficacy of Zeffix (lamivudine) have not been established in patients with decompensated liver disease in placebo controlled studies. However, Zeffix (lamivudine) has been shown to reduce HBV DNA levels prior to and post liver transplantation.

How to take it

The way to take this medicine is: Oral. This medicine is taken by mouth.

  • Store below 25 degrees Celsius
  • Shelf lifetime is 2 Years.

You should seek medical advice in relation to medicines and use only as directed by a healthcare professional.

Always read the label. If symptoms persist see your healthcare professional.

Visual appearance

Clear colourless/pale yellow liquid with the odour of fruit (strawberry/banana).

Do I need a prescription?

This medicine is available from a pharmacist and requires a prescription. It is Schedule 4 : Prescription Only Medicine.

Pregnant or planning a pregnancy?

For the active ingredient lamivudine

You should seek advice from your doctor or pharmacist about taking this medicine. They can help you balance the risks and the benefits of this medicine during pregnancy.

Reporting side effects

You can help ensure medicines are safe by reporting the side effects you experience.

You can report side effects to your doctor, or directly at

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