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Abacavir/lamivudine (By mouth)

Abacavir Sulfate (a-BAK-a-vir SUL-fate), Lamivudine (la-MIV-ue-deen)

Treats HIV infection. HIV causes AIDS. This medicine does not cure HIV or AIDS, but combinations of drugs may slow the progress of the disease.

Brand Name(s):

Epzicom

There may be other brand names for this medicine.

When This Medicine Should Not Be Used:

This medicine is not right for everyone. Do not use it if you had an allergic reaction to abacavir or lamivudine, or if you have a genetic condition (including gene variation called HLA-B*5701) or liver disease.

How to Use This Medicine:

Liquid, Tablet

  • Your doctor will tell you how much medicine to use. Do not use more than directed.
  • Contact your doctor or pharmacist when your supply of this medicine is low. Do not allow yourself to run out of this medicine.
  • Tablet for suspension:
    • Do not use or take the tablet if it is damaged, broken, or expired.
    • Place the tablets in the drinking cup. Then, add 2 teaspoons (10 mL) of drinking water for each tablet. Add 1 teaspoon (5 mL) of drinking water if you will use half of the tablet.
    • Stir with a spoon or swirl the drinking cup for 2 to 3 minutes until the tablets break up into pieces small enough for a child to swallow.
    • Do not chew the tablets or pieces of the tablets. Use the teaspoon to crush the pieces, if needed.
    • Drink the mixture within 1 hour. If you do not drink the mixture right away after preparing, stir with a spoon or swirl the drinking cup again for 2 to 3 minutes before taking.
    • Using an oral syringe: Place the tip of the syringe into the cup and draw all of the medicine up by pulling up on the plunger. Place the tip of the syringe against the inside of the child's cheek. Gently push down the plunger to give the dose slowly.
    • Rinse the drinking cup with an additional small amount of water. Use about 1 to 2 teaspoons (5 to 10 mL) of drinking water for each tablet and drink or give all the mixture.
  • This medicine should come with a Medication Guide. Ask your pharmacist for a copy if you do not have one.
  • Missed dose: Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Throw away any unused mixture within 1 hour.

Drugs and Foods to Avoid:

Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.

  • Some medicines can affect how abacavir/lamivudine works. Tell your doctor if you are using methadone, riociguat, or sorbitol.
  • Tell your doctor if you drink alcohol.

Warnings While Using This Medicine:

  • Tell your doctor if you are pregnant, or if you have kidney disease, liver disease (including hepatitis), diabetes, heart disease, high blood pressure, high cholesterol, or pancreas problems. Tell your doctor if you smoke.
  • Do not breastfeed. You can spread HIV or AIDS to your baby through your breast milk.
  • This medicine may cause the following problems:
    • Lactic acidosis
    • Liver problems
    • Increased risk of heart attack
  • Ask your pharmacist for a warning card that lists the symptoms of an allergic reaction. Carry the card with you at all times.
  • Do not stop using this medicine unless your doctor tells you otherwise. If you stop the medicine even for a short time, the virus may become harder to treat or you may be more likely to have an allergic reaction.
  • Your immune system may get stronger when you start using HIV medicines. This could cause a hidden infection in your body to become active. Tell your doctor right away if you notice any changes in your health.
  • Always practice safe sex, even if your partner also has HIV. If you stop taking this medicine or do not take it as prescribed, you may spread HIV to others. Do not reuse or share needles, or other items, that may have blood or body fluids on them.
  • Your doctor will do lab tests at regular visits to check on the effects of this medicine. Keep all appointments.
  • Keep all medicine out of the reach of children. Never share your medicine with anyone.

Possible Side Effects While Using This Medicine:

Call your doctor right away if you notice any of these side effects:

  • Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing
  • Blistering, peeling, red skin rash
  • Chest pain that may spread to your arms, jaw, back, or neck, unusual sweating
  • Dark urine or pale stools, nausea, vomiting, loss of appetite, stomach pain, yellow skin or eyes
  • Fast or troubled breathing, lightheadedness, severe weakness, tiredness, or confusion
  • Fever, rash, cough, sore throat, diarrhea, joint or muscle aches

If you notice these less serious side effects, talk with your doctor:

  • Feeling sad or depressed
  • Headache, dizziness, trouble sleeping
  • Weight gain around your neck, upper back, breast, face, or waist

If you notice other side effects that you think are caused by this medicine, tell your doctor

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088

Last Updated: 4/23/2024

 
 
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