What is REYATAZ® (atazanavir)?

REYATAZ is a prescription HIV-1 (Human Immunodeficiency Virus-type 1) medicine that is used with other antiretroviral medicines to treat HIV-1 infection in adults and children 3 months of age and older and who weigh at least 11 pounds (5 kg).

• REYATAZ should not be used in children less than 3 months of age

REYATAZ does not cure HIV-1 infection or AIDS (Acquired Immunodeficiency Syndrome). You must keep taking HIV-1 medicines to control HIV-1 infection and decrease HIV-related illnesses.

REYATAZ can help lower your viral load to undetectable. Individual results may vary. REYATAZ can help lower your viral load to undetectable. Individual results may vary. Click here REYATAZ studies have included women and men.

REYATAZ Drug Interactions

When you're taking REYATAZ® (atazanavir), it's important to tell your healthcare provider about all the medicines you take–including prescription and non-prescription medicines, vitamins, and herbal supplements. This is because certain medicines can interact with REYATAZ and change the way REYATAZ or the other medicines work and affect your body.

Who should not take REYATAZ?
Do not take REYATAZ if you:

  • are allergic to atazanavir or any of the ingredients in REYATAZ. See the Patient Information for a complete list of ingredients in REYATAZ.
  • are taking any of the following medicines. Taking REYATAZ with these medicines may affect how REYATAZ works. REYATAZ may cause serious life-threatening side effects or death when used with these medicines:
    • alfuzosin (UROXATRAL®)
    • cisapride (PROPULSID®)
    • ergot medicines including:
      • ergotamine tartrate (CAFERGOT®, MIGERGOT®, ERGOMAR®, ERGOSTAT®, MEDIHALER®, Ergotamine, WIGRAINE®, WIGRETTES®)
      • dihydroergotamine mesylate (D.H.E. 45®, MIGRANAL®)
      • methylergonovine (METHERGINE®)
    • indinavir (CRIXIVAN®)
    • irinotecan (CAMPTOSAR®)
    • lovastatin (ADVICOR®, ALTOPREV®, MEVACOR®)
    • midazolam (VERSED®), when taken by mouth for sedation
    • nevirapine (VIRAMUNE®, VIRAMUNE XR®)
    • pimozide (ORAP®)
    • sildenafil (REVATIO®),when used for the treatment of pulmonary arterial hypertension
    • simvastatin (SIMCOR®, VYTORIN®, ZOCOR®)
    • St. John’ wort (Hypericum perforatum)
    • triazolam (HALCION®)

Serious problems can happen if you or your child takes any of the medicines listed above with REYATAZ.

Know the medicines you take. Keep a list of your medicines and show it to your healthcare provider and pharmacist when you get a new medicine.

Read more REYATAZ Important Safety Information.

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit, or call 1-800-FDA-1088.

*Undetectable was defined as a viral load of less than 400 copies/mL.

Let your doctor know

If you're taking any other medications, over-the-counter products, or herbal remedies, it is important to let your healthcare provider know.



Talk to your doctor

Ask your doctor about treatment that is right for you.


How REYATAZ fights HIV

REYATAZ is a protease inhibitor that, in combination therapy, helps prevent HIV replication. It can reduce the amount of HIV in your blood to levels that are undetectable.* REYATAZ does not cure HIV infection or AIDS. You must stay on continuous HIV therapy to control HIV infection and decrease HIV-related illnesses.