Drug Identity
Active Ingredient
Lamivudine
Chemical Class
Cytosine
ATC Code
J05AF05
Status
Essential Medicine
What is Lamvira?
Uses
Lamivudine is an antiviral medicine that prevents human immunodeficiency virus (HIV) or hepatitis B virus from multiplying in your body. ...
How It Works
Chemical Class
Cytosine
It is of Semi Synthetic origin and belongs to Cytosine. It belongs to Antiviral Agents and Antiretroviral Agent-Nucleoside pharmacological group. The Molecular Weight of Lamivudine is 229.30.
How to Take It
1
Adult · PO
100 mg — 24 hourly
2
Adult
Scraped Dose
Follow all directions on your prescription label and read all medication guides or instruction sheets. Use the medicine exactly as directed. You should not take Epivir (for treating HIV) together w
3
Child · Oral
4 mg/kg — 12 hourly
Safety Alerts
You should not take lamivudine if you are allergic to it
You should not take Epivir-HBV (for treating hepatitis B) if you also take other medicine that contains lamivudine or emtricitabine, which includes Atripla, Biktarvy , Cimduo, Combivir , Complera, Descovy, Emtriva, Epzicom, Genvoya, Odefsey, Stribild, Symfi, Triumeq, Trizivir, and Truvada
Tell your doctor if you have ever had: liver disease (especially hepatitis B or C, or a liver transplant )
or diabetes ( liquid lamivudine contains 3 to 4 grams of sucrose per dose)
You may develop lactic acidosis, a dangerous build-up of lactic acid in your blood
Important Warnings
You should not take Epivir-HBV (for treating hepatitis B) if you also take other medicine that contains lamivudine or emtricitabine
Lamivudine can cause severe or life-threatening effects on your liver or pancreas
Call your doctor at once if you have: severe pain in your upper stomach spreading to your back, nausea, loss of appetite, dark urine, clay-colored stools, or jaundice (yellowing of the skin or eyes)
If you've ever had hepatitis B, it may become active or get worse after you stop using lamivudine
You may need frequent liver function tests for several months
The hepatitis B virus may become resistant to treatment while you are taking Epivir-HBV
Resistant hepatitis B can lead to worsening liver disease or death
Tell your doctor if you have new hepatitis symptoms
Side Effects
Get emergency medical help if you have signs of an allergic reaction : hivesdifficult breathingswelling of your facelipstongueor throat. Mild symptoms of lactic acidosis may worsen over timeand this condition can be fatal. Get emergency medical help if you have: unusual muscle paintrouble breathingstomach painvomitingirregular heart ratedizzinessfeeling coldor feeling very weak or tired. Lamivudine may cause serious side effects. Call your doctor at once if you have: pancreas problems --severe pain in your upper stomach spreading to your backnausea and vomiting
Drug Interactions
Other drugs can affect lamivudine
and some drugs should not be used at the same time. Tell your doctor about all your current medicines and any medicine you start or stop using. This includes prescription and over-the-counter medicines
vitamins
and herbal products . Not all possible interactions are listed here.
Storage
Tab, Soln Store Below 40°C. Protect from Sunlight, Moisture and Heat.
Price Intelligence
Rs 3,950.88
DRAP approved maximum price · per pack of 30 · approved 23 Jul, 2026
No retail price observed for this pack. Retailers may not exceed the approved maximum.
Prices across sources
DRAPper pack of 30Rs 3,950.88
Should you consider an alternative?
Other options containing Lamivudine, and what they are not.
Identical active ingredient at the same strength. Cheapest per unit first.
Ordered by lowest price per unit where a pack size is known, then by price. Order is never affected by sponsorship. Not medical advice — confirm any change with your pharmacist or doctor.
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