- It is used to treat HIV infection.
- If you have an allergy to atazanavir or any other part of this drug.
- If you are allergic to any drugs like this one, any other drugs, foods, or other substances. Tell your doctor about the allergy and what signs you had, like rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs.
- If you have any of these health problems: Kidney disease or liver disease.
- If you take any drugs (prescription or OTC, natural products, vitamins) that must not be taken with this drug, like certain drugs that are used for high cholesterol, migraines, or mood problems. There are many drugs that must not be taken with this drug.
- If you are taking St. John’s wort. Do not take St. John’s wort with this drug. This drug may not work as well.
- If you are breast-feeding. Do not breast-feed while you take this drug.
- If the patient is a child who weighs less than 33 lb (15 kg).
Powder for suspension:
- If the patient is a child who weighs less than 11 lb (5 kg) or is younger than 3 months of age.
- Tell all of your health care providers that you take this drug. This includes your doctors, nurses, pharmacists, and dentists.
- This drug interacts with many other drugs. The chance of this drug’s side effects may be raised or how well this drug works may be lowered. The chance of the other drugs’ side effects may also be raised. This may include very bad, life-threatening, or deadly side effects. Check with your doctor and pharmacist to make sure that it is safe for you to take this drug with all of your other drugs (prescription or OTC, natural products, vitamins).
- High blood sugar has happened with this drug. This includes diabetes that is new or worse. Talk with the doctor.
- Check your blood sugar as you have been told by your doctor.
- Some people with hemophilia have had times of more bleeding when taking drugs like this one. If you have hemophilia, talk with your doctor.
- Changes in your immune system can happen when you start taking drugs to treat HIV. If you have an infection that you did not know you had, it may show up when you take this drug. Tell your doctor right away if you have any new signs after you start this drug, even after taking it for several months. This includes signs of infection like fever, sore throat, weakness, cough, or shortness of breath.
- Have blood work checked as you have been told by the doctor. Talk with the doctor.
- Have your urine checked as you have been told by your doctor.
- This drug is not a cure for HIV. Stay under the care of your doctor.
- This drug does not stop the spread of diseases like HIV or hepatitis that are passed through blood or having sex. Do not have any kind of sex without using a latex or polyurethane condom. Do not share needles or other things like toothbrushes or razors. Talk with your doctor.
- Do not switch between different forms of this drug without first talking with the doctor.
- This drug may be used with other drugs to treat your health condition. If you are also taking other drugs, talk with your doctor about the risks and side effects that may happen.
- Birth control pills and other hormone-based birth control may not work as well to prevent pregnancy. Use some other kind of birth control also like a condom when taking this drug.
- Tell your doctor if you are pregnant or plan on getting pregnant. You will need to talk about the benefits and risks of using this drug while you are pregnant.
- If you used this drug when you were pregnant, tell the doctor if your baby has yellow skin or eyes after your baby is born.
Powder for suspension:
- If you have phenylketonuria (PKU), talk with your doctor. Some products have phenylalanine.
- Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing, swallowing, or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
- Signs of high blood sugar like confusion, feeling sleepy, more thirst, more hungry, passing urine more often, flushing, fast breathing, or breath that smells like fruit.
- Signs of gallstones like sudden pain in the upper right belly area, right shoulder area, or between the shoulder blades; yellow skin or eyes; or fever with chills.
- Signs of kidney problems like unable to pass urine, change in how much urine is passed, blood in the urine, or a big weight gain.
- A heartbeat that does not feel normal.
- Dizziness or passing out.
- Muscle or joint pain.
- Pain when passing urine.
- Back pain, belly pain, or blood in the urine. May be signs of a kidney stone.
- A burning, numbness, or tingling feeling that is not normal.
- Low mood (depression).
- Any unexplained bruising or bleeding.
- Change in body fat.
- Yellow skin or eyes.
- Swelling in the arms or legs.
- A very bad skin reaction (Stevens-Johnson syndrome/toxic epidermal necrolysis) may happen. It can cause very bad health problems that may not go away, and sometimes death. Get medical help right away if you have signs like red, swollen, blistered, or peeling skin (with or without fever); red or irritated eyes; or sores in your mouth, throat, nose, or eyes.
- If you have liver problems like hepatitis B or C, talk with your doctor. Liver problems have gotten worse with this drug. Call your doctor right away if you have signs of liver problems like dark urine, feeling tired, not hungry, upset stomach or stomach pain, light-colored stools, throwing up, or yellow skin or eyes.
- Loose stools (diarrhea).
- Belly pain.
- Upset stomach or throwing up.
- Not able to sleep.
- Nose or throat irritation.
- Take this drug with food.
- Do not take antacids within 1 hour before or 2 hours after taking this drug.
- If you are also taking didanosine, take it at least 1 hour before or 2 hours after this drug.
- If you take cimetidine, dexlansoprazole, esomeprazole, famotidine, lansoprazole, nizatidine, omeprazole, pantoprazole, rabeprazole, or ranitidine, ask your doctor or pharmacist how to take it with this drug.
- Keep taking this drug as you have been told by your doctor or other health care provider, even if you feel well.
- It is important that you do not miss or skip a dose of this drug during treatment.
- Drink lots of noncaffeine liquids every day unless told to drink less liquid by your doctor.
- Swallow whole. Do not chew, open, or crush.
- If you have trouble swallowing, talk with your doctor.
Powder for suspension:
- This drug must be mixed before using. Mix the powder with soft food like applesauce or yogurt. If you cannot do this, mix with a drink like milk, infant formula, or water. Mix this drug as the doctor has told you or read the package insert.
- Take this drug within 1 hour of mixing.
- If you use infant formula to mix the powder, give the drug using an oral dosing syringe. Do not give using an infant bottle.
- Take a missed dose as soon as you think about it, with food.
- If it is close to the time for your next dose, skip the missed dose and go back to your normal time.
- Do not take 2 doses at the same time or extra doses.
- If you are not sure what to do if you miss a dose, call your doctor.
- Store at room temperature.
- Store in a dry place. Do not store in a bathroom.
- Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets.
- Throw away unused or expired drugs. Do not flush down a toilet or pour down a drain unless you are told to do so. Check with your pharmacist if you have questions about the best way to throw out drugs. There may be drug take-back programs in your area.
- Keep lid tightly closed.
Powder for suspension:
- Store in original container.
- Do not open until you are ready to use.
- If your symptoms or health problems do not get better or if they become worse, call your doctor.
- Do not share your drugs with others and do not take anyone else’s drugs.
- Keep a list of all your drugs (prescription, natural products, vitamins, OTC) with you. Give this list to your doctor.
- Talk with the doctor before starting any new drug, including prescription or OTC, natural products, or vitamins.
- Some drugs may have another patient information leaflet. If you have any questions about this drug, please talk with your doctor, nurse, pharmacist, or other health care provider.
- If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.