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Drug Dosing Toolkit

Epivir (lamivudine, 3TC)

Type of Drug: Nucleoside Reverse Transcriptase Inhibitor
(NRTI, nucleoside analogue, "nuke")

Approved adult dosing

one 300 mg tablet, once a day

  • Daily

    Epivir 300

    Epivir 300 mg

one 150 mg tablet, two times a day

  • Morning

    Epivir 150

    Epivir 150 mg

  • Evening

    Epivir 150

    Epivir 150 mg

My doctor's instructions

Notes on taking this medication

  • No food restrictions, can take with or without food
  • Persons with kidney problems may need an adjustment to their dose of Epivir
  • Do not take Epivir with Emtriva

Side effects

  • Side effects are rare but include headaches and general sense of feeling ill
  • Epivir is active against hepatitis B, and stopping it can cause "flare-up" of hepatitis B