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Viread (Tenofovir Disoproxil Fumarate)

TypeDrug NameDosage 
Viread300 mg

Generic Equivalent of Viread

TypeDrug NameDosage 
Tenofovir Disoproxil Fumarate300 mg
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Is A Prescription Required to Purchase Viread?

A Prescription is required to have Viread from our Canadawide drugstore.

What Is The Medicine Viread Used For?

Viread (tenofovir disoproxil fumarate) belongs to the class of drugs known as nucleotide analog reverse transcriptase inhibitor (NRTI) and is used for the treatment of:
  • Human Immunodeficiency Virus (HIV) infection in adults and adolescents of age 12 years or older and weighing at least 35 kg. HIV causes acquired immunodeficiency syndrome (AIDS).
  • Chronic Hepatitis B [an infection with hepatic B virus (HBV)] in adults of 18 years or older.
Vired is not a cure for HIV or AIDS.

How Long to Take Viread For Hepatitis B?

Viread can lower the number of Heaptitis B virus in your body by lowering the ability of the virus to multiply in the body. It can improve the condition of liver. However, long term effects of taking Viread for treatment of chronic HBV infection are not known.

How Does Viread Work in the Body?

Patients with HIV infection: Viread acts by blocking the reverse transcriptase enzyme that is needed by the virus to multiply. Viread lowers the amount of HIV in blood (called as viral load).

Patients with HB infection: Viread acts by interfering with the normal working of enzymes of the virus (DNA polymerase) that is required for its multiplication. The drug helps to lower the amount of HBV in your body by lowering the ability of the virus to multiply and infect new liver cells. However, the long term effects of taking Viread in treatment of chronic HBV infection are not known. Sometimes the viruses in body can change themselves and the drug may no longer work. This is known as drug resistance.

How Is Viread Supplied and Stored?

Viread is manufactured Gilead Sciences Canada, Inc. and is supplied in one strength of 300 mg packed in size of 30 tablets.

The medication should be stored at a temperature between 15°C and 30°C, in a tightly closed container. It should be kept out of sight and reach of children.

What Is the Cost of Viread?

The average retail cost of brand Viread is $1200 for a supply of 30 tablet, which is $40. Our licensed Canadian wide pharmacy is pleased to o per tablet. It’s our privilege to offer you the Viread 300 mg at an unbeatable price of $930 for a supply of 30 tablets, which is $31 per tab. Compare HIV medications and other Canadian RX drug prices before your purchase.

How Should You Take Viread?

Take Viread exactly as prescribed by your health care professional. It is important to stay under a health care professional’s care while taking Viread. When your medicine starts to run low, immediately see your health care professional for a refill. This is very important because the viral load in your blood will increase if the medicine is stopped even for a very short time. The virus can also develop resistance to Viread making the treatment harder. In case you are taking Viread to treat HIV and HBV co-infection, always take the medicine in combination with other anti-HIV drugs. Viread and other similar drugs may not work in future if they are not taken with other anti-HIV medicines due to development of resistance. If you have only HBV, Viread is prescribed as a single treatment. However, talk to your doctor about taking an HIV test before you start treatment with Viread for HBV infection.

Can You Just Stop Taking Viread?

If you have HBV infection, or an HIV and HBV co-infection, “flare-ups” of HBV infection might happen if you stop taking the drug suddenly. The disease might become worse than before. Do not stop taking Viread without the advice of your doctor. If you stop taking Viread by any chance, tell your doctor immediately about any new or worsened symptoms.

Can Viread Cause Liver Problems?

Viread or other similar medicines can lead to severe liver problems. The patients may to develop enlarged liver or fatty liver. Some symptoms of serious liver problems include yellowing of skin and eyes, nausea, vomiting, and stomach pain.

Can Viread Cause Kidney Problems?

Viread has a very severe side effect on kidneys, including damage to kidney cells, inflammation of kidney tissues and kidney failure. Your health care professional might need to monitor your kidney functions through blood tests before starting treatment and during treatment with Viread.

How is Viread Metabolized in Body?

The drug is metabolized in liver and has a half-life of 12 to 13 hours.

What Are The Possible Side Effects of Viread?

Like all other medications, Viread can also cause side effects. Most common side effects include dizziness, diarrhea, vomiting and nausea. Some other side effects include stomach pain, flatulence (intestinal gas), weakness, inflammation of pancreas, allergic reaction with symptoms of angioedema (swelling of blood vessels), skin rash, redness, swelling of legs, hands, feet, face, lips, tongue or throat, difficulty in breathing, headache, shortness of breath. Your immune system can develop changes (Immune Reconstitution Inflammatory Syndrome) can occur when HIV medicines are taken. Your immune system can get stronger and begin to fight hidden infections in your body or you could develop an autoimmune disease in which your immune system reacts against your own body (such as Grave’s disease). Other side effects caused by Viread include kidney problems with symptoms such as increased or decreased urination, increased thirst, swelling of legs and feet, feeling tired, lactic acidosis symptoms such as tiredness, unusual muscle pain, feeling cold especially in legs and arms, dizziness, fats or irregular heartbeat, stomach pain with nausea and vomiting, severe liver problems with symptoms such as jaundice, dark urine, nausea, loss of appetite for several weeks, lower stomach pain. Muscle pain, bone pain and softening of bones have also been reported.

Lactic acidosis, being a medical emergency, must be treated in hospital. Your chances of getting lactic acidosis or liver problems increase if you are overweight or have been taking nucleoside analog medicines for a long time. These are not all the side effects of Viread. In case of any unexpected effect, please consult your health care professional right away.

When Should You Not Take Viread?

Do not take Viread if you:
  • Are allergic to tenofovir disoproxil fumarate or any of the ingredients in the medicine
  • Are already taking Atripla, Complera, Descovy, Genvoya, Stribild, Truvada as these medicines contain similar active ingredients as Viread
  • Have already discontinued treatment with Hepsera

What Should You Tell Your Doctor Before taking Viread?

Before you start taking Viread, be sure to tell your doctor if you:
  • Are pregnant or planning to become pregnant. Pregnant mother should not take Voread unless specifically directed otherwise by your health care professional. If you take Viread while being pregnant talk to your health care professional about how you can be included in the Antiviral Pregnancy Registry.
  • Are breast-feeding or planning to breast-feed. Do not breast-feed if you are takibg Viread. The drug tenofovir passes into breast milk. Moreover, breast-feeding should not be done because of the risk of passing HIV infection to your baby.
  • You have medical conditions especially hepatitis (inflammation of liver), pancreatitis (inflammation of pancreas), bone and kidney problems
  • Have HIV infection
  • Are taking other medicines including prescription and non-prescription drugs, as well as dietary supplements.

What Medicines Can Interact With Viread?

It is important to tell your health care professional about all other medicines that you have taken recently including any kind of supplements and non-prescription drugs. Medicines which interact with Viread include:
  • Medicines that contain didanosine (Videx). Viread can increase the amount of Videx in your blood. You must be monitored by your doctor carefully if you are taking these drugs together. The dose of didanosine might need to be reduced.
  • Reyataz (atazanavir sulfate), Kaletra (lopinavir/ritonavir), Prezista (darunavir), Harvoni ledipasvir/sofosbuvir), Epclus (sofosbuvir/velpatasvir) can lead to an increase in the amount of tenofovir in your blood, causing more side effects.
  • Viread can also decrease the amount of Reyataz in your blood. In case you are taking Reyataz and Viread together, you should also be taking Norvir (ritonavir).

Where Can I Buy Viread Online?

If prescribed by your health care professional, Viread can be bought directly from Canadian Online Pharmacy. You will not have to wait to start your therapy due to the swift shipping service provided by us.

How Is Viread Delivered?

The standard delivery fee is $10.00. The orders are usually shipped in 2-3 working days after the processing of the order. The medication package is delivered by regular mail within 10-14 business days after it has been shipped. For further information and aid, you can contact our Customer Service at 604-581-4000 or email us at customerservice@canadawidepharmacy.com.

References:

1. http://www.gilead.ca/application/files/8914/9704/5557/viread_pm_english.pdf
2. https://www.accessdata.fda.gov/drugsatfda_docs/label/2012/022577lbl.pdf
3. http://www.gilead.com/-/media/files/pdfs/medicines/liver-disease/viread/viread_pi.pdf
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