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Tenofovir Drug

Tenofovir Drug

What is tenofovirdisoproxilfumarate?

Tenofovir DF is a prescription medicine approved by the U.S. Food and Drug Administration (FDA) for the treatment of HIV infection in adults and children 2 years of age and older. Tenofovir DF is always used in combination with other HIV medicines.

Tenofovir DF belongs to a class (group) of HIV drugs called nucleoside reverse transcriptase inhibitors (NRTIs). NRTIs block an HIV enzyme called reverse transcriptase. (An enzyme is a protein that starts or increases the speed of a chemical reaction.) By blocking reverse transcriptase, NRTIs prevent HIV from multiplying and can reduce the amount of HIV in the body.

HIV medicines can't cure HIV/AIDS, but taking a combination of HIV medicines (called an HIV regimen) every day helps people with HIV live longer, healthier lives. HIV medicines also reduce the risk of HIV transmission. If you are taking HIV medicines, including tenofovir DF, don't cut down on, skip, or stop taking them unless your health care provider tells you to.

Why is this medication prescribed?

Tenofovir is used along with other medications to treat human immunodeficiency virus (HIV) infection in adults and children 2 years of age and older. Tenofovir is also used to treat chronic (long term) HBV in adults and children 12 years of age and older. Tenofovir is in a class of medications called nucleoside reverse transcriptase inhibitors (NRTIs). It works by decreasing the amount of HIV and HBV in the blood. Although tenofovir will not cure HIV, it may decrease your chance of developing acquired immunodeficiency syndrome (AIDS) and HIV-related illnesses such as serious infections or cancer. Taking these medications along with practicing safer sex and making other life-style changes may decrease the risk of transmitting the HIV virus to other people. Tenofovir will not cure hepatitis B and may not prevent complications of chronic hepatitis B such as cirrhosis of the liver or liver cancer. Tenofovir may not prevent the spread of hepatitis B to other people.

How should this medicine be used?

Tenofovir comes as a tablet and as an oral powder to take by mouth. The tablet is usually taken with or without food once daily. The powder is usually taken with food once daily. Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand. Take tenofovir exactly as directed. Do not take more or less of it or take it more often than prescribed by your doctor.

Tenofovir oral powder must be added to 2 to 4 ounces of soft food such as applesauce, baby food, or yogurt. Stir the mixture with a spoon until well mixed. Consume the mixture right away to avoid a bitter taste. Do not mix tenofovir oral powder with liquid.

Continue to take tenofovir even if you feel well. Do not stop taking tenofovir without talking to your doctor. If you stop taking tenofovir even for a short time, or skip doses, the virus may become resistant to medications and may be harder to treat.

Ask your pharmacist or doctor for a copy of the manufacturer's information for the patient.

What other information should I know?

Do not let anyone else take your medication. Ask your pharmacist any questions you have about refilling your prescription.

Keep a supply of tenofovir on hand. Do not wait until you run out of medication to refill your prescription.

It is important for you to keep a written list of all of the prescription and nonprescription (over-the-counter) medicines you are taking, as well as any products such as vitamins, minerals, or other dietary supplements. You should bring this list with you each time you visit a doctor or if you are admitted to a hospital. It is also important information to carry with you in case of emergencies.

How should I take tenofovir?

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).

Follow all directions on your prescription label and read all medication guides or instruction sheets. Use the medicine exactly as directed.

Take this medicine at the same time each day.

Some forms of tenofovir should be taken with food. Carefully follow all instructions on your medicine label.

Tenofovir oral powder should be mixed with soft food such as applesauce, yogurt, or baby food. Do not mix the oral powder with liquid.

Tenofovir doses are based on weight in children. Your child's dose needs may change if the child gains or loses weight.

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