What is Vfend drug? how to take medicine

Ingredients of Viread

Each Viread capsule contains the active ingredient, Tenofovir disoproxil fumarate 300mg, which affects the growth of hepatitis B and HIV viruses in the human body.

In addition, there are excipients added to each tablet to help stabilize the drug, increase the pharmacodynamics and pharmacokinetics of the drug.

Pharmacodynamics and pharmacokinetics of Viread

Pharmacodynamic

  • Viread drug with the main active ingredient is Tenofovir disoproxil fumarate (TDF) - an active antiviral substance. This active substance will act by inhibiting reverse transcriptase enzyme activity. The reverse transcriptase enzyme is an important enzyme, necessary for the replication, proliferation and development of viruses.
  • When reverse transcriptase is inhibited, it inhibits the proliferation of the virus, resulting in stopping the spread of the virus and stopping the progression of the disease. It is one of the highly effective drugs for the treatment of chronic hepatitis B and HIV-I.

Pharmacokinetics

  • Clinically validated data on the pharmacokinetics of Viread are not currently available.
  • Consult your doctor or pharmacist before using this medicine.

Uses - Indications of Viread

Through many clinical studies, Viread drug with the main active ingredient is Tenofovir disoproxil fumarate (TDF) - an active antiviral. This active ingredient will inhibit the growth of the virus, stop the spread of the virus and stop the progression of the disease. As a drug to treat chronic hepatitis B in adults with compensated liver function and used for HIV-I patients with high efficiency.

Notes when using Viread:

  • With Viread tablets, patients can take the whole tablet with filtered water, do not use other liquids to take medicine such as fruit juice, beer, wine, etc. Note do not crush the tablet when taking it.
  • Patients are prescribed medication to treat: The drug should be taken with meals and should be taken at the same time every day. Any other changes in medication should be consulted with a qualified medical practitioner.

Instructions for using Viread

Dosage

Treatment with Viread should be carried out and closely monitored by experienced physicians. The dose adjustment depends on each patient's location or other combined drugs, medical staff will adjust to get the highest treatment effect.

Dosage for HIV infection

  • Adults (from 18 years of age and older, who weigh at least 35 kg): The usual dose is 1 tablet / day.
  • Children (from 12 to 17 years old, weighing at least 35 kg): The usual dose is 1 tablet/day.
  • Children (2 years - 11 years old or weighing less than 35 kg): consult a doctor or pharmacist.

Dosage for chronic hepatitis B virus infection

  • Adults (from 18 years of age and older, who weigh at least 35 kg): The usual dose is 1 tablet / day.
  • Children (from 12 to 17 years old, weighing at least 35 kg): The usual dose is 1 tablet/day.
  • When the patient forgets a dose, as soon as he remembers, take 1 tablet immediately.

When the patient forgets to take the medicine less than 12 hours after the next dose, the patient should skip the dose for that day, and continue taking the medication at the same time each day on the following days. Note: Do not take 2 doses at the same time (double daily dose) to make up for the missed dose when you forget to take it.

How to use medicine effectively?

Patients should use the drug exactly as prescribed by the doctor or pharmacist.

Contraindications of Viread

In what cases should Viread not be used?

  • Viread should not be used in patients who are hypersensitive to the ingredients of the drug, tenofovir disoproxil fumarate or any of the excipients.
  • For pregnant women: Use only when clearly needed. Treatment with medication can reduce the risk of HIV transmission to the baby. Talk to your doctor about the risks and benefits of taking this medication while you're pregnant.
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