Do not take this medicine with any of the following medications:

-alfuzosin
-belinostat
-cisapride
-elbasvir; grazoprevir
-etravirine
-indinavir
-irinotecan
-lomitapide
-lovastatin
-medicines for headaches like dihydroergotamine, ergonovine, ergotamine, methylergonovine
-midazolam
-naloxegol
-nevirapine
-pimozide
-red yeast rice
-rifampin
-rifapentine
-sildenafil (when given as Revatio for treatment of pulmonary arterial hypertension)
-simvastatin
-St. John''s wort
-triazolam
-zalcitabine

This medicine may also interact with the following medications:

-antacids or buffered medications
-buprenorphine
-certain medicines for blood pressure, heart disease, irregular heart beat
-certain medicines for cholesterol like atorvastatin or rosuvastatin
-certain medicines for depression, anxiety, or psychotic disturbances like lurasidone and quetiapine
-certain medicines for erectile dysfunction
-certain medicines for fungal infections like ketoconazole, itraconazole, posaconazole, and voriconazole
-certain medicines for seizures like carbamazepine, lamotrigine, phenobarbital, phenytoin
-certain medicines for stomach problems like cimetidine, famotidine, omeprazole, lansoprazole
-clarithromycin
-cyclosporine
-female hormones, like estrogens and progestins and birth control pills
-fluticasone
-other medicines for HIV
-rifabutin
-salmeterol
-sirolimus
-tacrolimus
-warfarin

They need to know if you have any of these conditions:

-diabetes
-hemophilia
-irregular heartbeat
-kidney disease
-liver disease
-an unusual or allergic reaction to atazanavir, other medicines, foods, dyes, or preservatives
-pregnant or trying to get pregnant
-breast-feeding

Visit your doctor or healthcare provider for regular check ups. Discuss any new symptoms with your doctor. You will need to have important blood work done while on this medicine.

HIV is spread to others through sexual or blood contact. Talk to your doctor about how to stop the spread of HIV.

This medicine may cause serious skin reactions. They can happen weeks to months after starting the medicine. Contact your healthcare provider right away if you notice fevers or flu-like symptoms with a rash. The rash may be red or purple and then turn into blisters or peeling of the skin. Or, you might notice a red rash with swelling of the face, lips, or lymph nodes in your neck or under your arms.

Birth control pills may not work properly while you are taking this medicine. Talk to your doctor about using an extra method of birth control. Women who can still have children must use a reliable form of barrier contraception, like a condom or diaphragm.

This medicine may increase blood sugar. Ask your healthcare provider if changes in diet or medicines are needed if you have diabetes.

This medicine may affect how well your kidneys work. Drink plenty of fluids while taking this medicine to stay hydrated.

Keep out of the reach of children.

Store tightly closed at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Protect from moisture. Dispose of unused medicines through community take-back disposal programs when available or place this medicine in an unrecognizable, closed container in the household trash.