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What should I discuss with my healthcare provider before taking tenofovir (Viread)?
Do not use this medication if you have ever had an allergic reaction to a medicine containing tenofovir, including Atripla, Complera, or Truvada.
Do not take tenofovir together with adefovir (Hepsera), or with combination medicines that contain tenofovir (Atripla, Complera, or Truvada).
Tenofovir should not be given to a child with HIV who is younger than 2 years old. Tenofovir should not be used to treat hepatitis B in anyone younger than 18 years old.
To make sure you can safely take tenofovir, tell your doctor if you have any of these other conditions:
Some people develop a life-threatening condition called lactic acidosis while taking tenofovir. You may be more likely to develop lactic acidosis if you are overweight or have liver disease, if you are a woman, or if you have taken HIV or AIDS medications for a long time. Talk with your doctor about your individual risk.
FDA pregnancy category B. This medication is not expected to be harmful to an unborn baby, but HIV can be passed to your baby if you are not properly treated during pregnancy. Take all of your HIV medicines as directed to control your infection.
If you are pregnant, your name may be listed on a pregnancy registry. This is to track the outcome of the pregnancy and to evaluate any effects of tenofovir on the baby.
Tenofovir can pass into breast milk and may harm a nursing baby. You should not breast-feed while you are using tenofovir to treat hepatitis B. Women with HIV or AIDS should not breast feed a baby. Even if your baby is born without HIV, the virus may be passed to the baby in your breast milk.
How should I take tenofovir (Viread)?
Take exactly as prescribed by your doctor. Do not take in larger or smaller amounts or for longer than recommended. Follow the directions on your prescription label.
Before you start treatment with tenofovir, your doctor may perform tests to make sure you do not have HIV (if you are being treated for hepatitis B) or hepatitis B (if you are being treated for HIV).
Tenofovir tablets may be taken with or without food.
Tenofovir oral powder should be taken with food. Mix the powder with soft food such as applesauce, yogurt, or baby food. Do not mix tenofovir oral powder with liquid.
This medication comes with patient instructions for safe and effective use. Follow these directions carefully. Ask your doctor or pharmacist if you have any questions.
Use tenofovir regularly to get the most benefit. Get your prescription refilled before you run out of medicine completely.
HIV/AIDS is usually treated with a combination of drugs. Use all medications as directed by your doctor. Read the medication guide or patient instructions provided with each medication. Do not change your doses or medication schedule without your doctor's advice. Every person with HIV or AIDS should remain under the care of a doctor.
To be sure this medicine is helping your condition and is not causing harmful effects, your blood will need to be tested often. Your liver and kidney function may also need to be tested. Visit your doctor regularly.
If you have hepatitis B you may develop liver symptoms after you stop taking this medication, even months after stopping. Your doctor may want to check your liver function for several months after you stop using tenofovir. Visit your doctor regularly.
Store at room temperature away from moisture and heat. Keep the bottle tightly closed when not in use.
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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