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MRP: Rs. 80 for 1 strip(s) (10 tablets each)
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Composition for HEPTAVIR

Lamivudine(100 mg)

food interaction for HEPTAVIR

alcohol interaction for HEPTAVIR

pregnancy interaction for HEPTAVIR

lactation interaction for HEPTAVIR

It can be taken with or without food, but it is better to take Heptavir 100 mg tablet at a fixed time.
Interaction with alcohol is unknown. Please consult your doctor.
Heptavir 100 mg tablet may be unsafe to use during pregnancy.
Either animal studies have shown adverse effect on fetus and there are no human studies or studies in human and animals are not available. It should be given only if potential benefits justifies risk to the fetus. Please consult your doctor.
Unknown. Human and animal studies are not available. Please consult your doctor.


Lamivudine(100 mg)


Heptavir 100 mg tablet indicated as part of antiretroviral combination therapy for the treatment of Human Immunodeficiency Virus (HIV) infected adults and children and also used in the treatment of Hepatitis B virus infection.

How it works

Heptavir 100 mg tablet belongs to a class of medication called nucleoside reverse transcriptase inhibitors. It decreases the amount of virus (HIV and hepatitis) in the blood. It also increases the number of infection fighting cells in the body (CD4 cells). It does not cure HIV completely but reduces the chances of getting acquired immunodeficiency syndrome (AIDS) and HIV related infections or cancer.

Common side effects

Neuropathy, Decreased white blood cell count (neutrophils), Pancreatic inflammation, Peripheral neuropathy, Abdominal cramp, Abdominal pain, Acne-like rash, Joint pain, Chills, Cough, Depression, Diarrhoea, Fever, Dizziness, Fatigue, Feeling of discomfort, Headache, Increased creatine phosphokinase level in blood, Increased blood urea, Indigestion, Insomnia, Stomatitis, Loss of appetite, Muscle pain, Redistribution/accumulation of body fat, Reduced blood platelets, Worsening of hepatitis b (viral infection of liver)


2 Substitutes
Sorted By
    (10 tablets in strip)
    Cipla Ltd
    Rs. 10.85/tablet
    Rs. 108.50
    pay 36% more per tablet
    (14 tablets in strip)
    Glaxo SmithKline Pharmaceuticals Ltd
    Rs. 40.36/tablet
    Rs. 565
    pay 404% more per tablet

Expert advice for HEPTAVIR

  • Consult your doctor if you have diabetes and are using insulin.
  • Patients receiving this therapy are always at a risk for infections and hence should report any such cases to the doctor.
  • Consult your doctor if you take any prescription medication; Inform your doctor if you take other medicine for treatment of HIV or hepatitis B infection, hairy cell leukemia [a type of blood cancer], or antibiotics for infection.
  • Lamivudine may rarely cause a serious side effect like lactic acidosis with symptoms such as pain or weakness of muscle, numbness or feeling cold in arms or legs, stomach pain, nausea, vomiting, lack of breath, aberrant heart rate, dizziness, weak or tired feeling; hence, inform the doctor immediately if you experience any of these symptoms.
  • It is possible to pass on HIV when on this medication and hence it is important to take necessary precautions to prevent HIV from spreading.
  • Inform you doctor if you notice signs of change in the distribution of fat (lipodystrophy), erosion of bones (osteronecrosis), or inflammation of pancreas (pancreatitis).
  • If you are on therapy it is important to use effective non hormonal method of contraception or condom so that a pregnancy can be avoided.
  • Use with caution in pediatric patients with a history of pancreatitis or other significant risk factors for pancreatitis.

Frequently asked questions for HEPTAVIR


Q. Can lamivudine cure hepatitis B?
Lamivudine is used to treat hepatitis B but some patients may be resistant to this drug
Q. Can lamivudine be crushed?
Lamivudine cannot be crushed but it can be broken into two parts to give it to children. Please go by the recommendation of the doctor.
Q. Can lamivudine cause anemia?
Lamivudine may cause anemia as a side effect in some patients. Kindly consult your doctor in case any side effects are observed.


Content on this page was last updated on 11 April, 2015, by Dr. Varun Gupta (MD Pharmacology)