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Tenofovir disoproxil fumarate

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Tenofovir Disoproxil Fumarate
Dosage: 300mg
Quantity: 30
Price: $130.20
Tenofovir Disoproxil Fumarate
Dosage: 300mg
Quantity: 90
Price: $362.20
Tenofovir Disoproxil Fumarate
Dosage: 300mg
Quantity: 90
Price: $124.10


Viread is an antiviral medication used to treat human immunodeficiency virus (HIV) and chronic hepatitis B virus (HBV) while preventing them from spreading and developing into acquired immunodeficiency syndrome (AIDS).

Tenofovir disoproxil fumarate is an antiviral drug that inhibits the activity of HIV-1 and HBV reverse transcriptase. This action helps prevent the spread of HIV and HBV cells while affecting their DNA structures. Thanks to this, Viread can treat infections and help prevent the development of AIDS.

Dosage and Administration

The dose of Viread that is prescribed will vary depending on the individual and viral infection being treated. Follow all directions given by your healthcare provider and read packaging labels for the best results. Do not suddenly stop taking this medication or change your dose without speaking to your healthcare provider.

  • Swallow tablet whole
  • Take at the same time each day with or without food
  • Adults and children over 2 who weigh more than 35kg should take 300mg once daily
  • Children over 2 who weigh between 17 and 35kg should take 8mg/kg up to 300mg once a day
  • Use all prescribed HIV medications as directed
  • Store at room temperature away from children and pets

Pediatric doses by weight:

  • Children who weigh 17 to less than 22kg should take 150mg once daily
  • Those weighing 22 to less than 28kg should take 200mg once a day
  • Those who weigh 28 to less than 35kg should take 250mg once daily
  • Children 35kg and more should take 300mg daily

Side Effects

Viread may cause some side effects to occur while preventing the growth and spread of viral infections. Speak with your healthcare provider to learn more about any symptoms you may encounter during treatment.

Common Viread side effects:

  • Stomach pain, nausea, vomiting, diarrhea
  • Fever, pain
  • Weakness, dizziness
  • Headache
  • Depressed mood
  • Itching, rash
  • insomnia

Serious Side Effects

Some more adverse reactions may develop during treatment with Viread. Contact your healthcare provider right away if you notice any of the following side effects:

  • Sore throat, flu symptoms
  • Easy bruising or unusual bleeding
  • Kidney problems (little or no urination, painful or difficult urination, swollen feet or ankles, tiredness, shortness of breath)
  • Liver problems (swelling in your midsection, upper stomach pain, tiredness, decreased appetite, dark urine, clay-coloured stools, jaundice)

This medication can affect your immune system which could lead to the development of the following serious symptoms:

  • Signs of an infection (fever, night sweats, swollen glands, cold sores, cough, wheezing, diarrhea, weight loss)
  • Difficulty speaking or swallowing
  • Balance or eye movement troubles
  • Weakness or prickling feeling
  • Swelling in your neck or throat
  • Menstrual changes, impotence

You may experience mild symptoms of lactic acidosis while taking Viread which can worsen over time and become fatal. Seek immediate medical attention if you have unusual muscle pain, trouble breathing, stomach pain, vomiting, irregular heart rate, dizziness, coldness, or feeling weak or tired.

Allergic Reactions

Do not use Viread if you are allergic to tenofovir disoproxil fumarate. If you notice any of the following signs of an allergic reaction, contact your healthcare provider right away and stop using this medication:

  • Hives
  • Difficulty breathing
  • Swelling of you face, lips, tongue, or throat


  • You may need frequent liver tests after stopping treatment with Viread if you have hepatitis B because the virus may become active or get worse.
  • If you have ever had hepatitis B, do not suddenly stop taking Viread or change your dose because it could cause acute exacerbations of the viral infection.
  • Do not take Viread if you have end stage renal disease.
  • To ensure your safety when taking Viread, tell your doctor if you have ever used any of the following:
    • Liver disease
    • HIV if you are taking Viread to treat HBV
    • Kidney disease
    • Low bone mineral density
  • During treatment with Viread, you may develop lactic acidosis which is a condition where lactic acid builds up in your blood which can be fatal. Discuss your risk with your healthcare provider.
  • If you are pregnant, ensure that you take all HIV medications exactly as prescribed to prevent your newborn from becoming infected.
  • Do not breastfeed if you have HIV because the virus can pass through your breast milk to your baby.
  • Avoid drinking alcohol during treatment with Viread because it can increase your risk of developing liver damage.
  • Viread is designed to treat HIV and HBV infections as well as preventing AIDS but is not a cure for either condition. This medication will not stop you from spreading your infection through sex or sharing of other bodily fluids.
  • Some drugs may interact with Viread and cause unwanted effects. Tell your healthcare provider about all the medications you take, including over the counter medicines, but especially any of the following:
    • Other medications used to treat infections
    • Cancer medicines
    • Medication for osteoporosis
    • Antirejection medicine for organ transplantation
    • Blood pressure lowering medicine
    • Pain or arthritis medications
    • Drugs that are eliminated by active tubular secretion such as acyclovir, cidofovir, ganciclovir, and many nonsteroidal anti-inflammatory drugs

Form and Strength

This HPV and HBV medication is available in tablet form.

  • Viread tablet strength:
    • 300mg

The 300mg Viread tablets are available in quantities of 30, 60, and 90.


What to avoid when taking Viread?

You should avoid drinking alcohol during treatment with Viread because it can increase your risk of liver damage. While taking Viread you should also avoid using other medications that could cause harm to your kidneys. Follow all directions provided by your healthcare provider for the best results during treatment.

Should Viread be taken before or after meals?

Viread can be taken at any time of day with or without food. This allows you to find a time and method that is easy and convenient for you during treatment. However you decide to take your doses, ensure that you take them at the same time each day for the best therapeutic response.



Additional information

Brand Name:


Scientific Name:

Tenofovir Disoproxil Fumarate, Tenofovir disoproxil fumarate

Other Names:

Tenofovir, Tenvir, Viread



Quantities Available:

30, 90