Buy Viread from Canadian & International Pharmacies
Viread (Tenofovir Disoproxil Fumarate)and/or alternatives
Tenofovir Disoproxil Fumarate 300mg from $3.06 USD/tabletTenofovir Disoproxil Fumarate 300mg
Generic Alternative to Viread
Marketed as Tenvir in India
Manufactured by: Cipla
Product of India. Shipped from IndiaRxPrescription Required
Tenofovir Disoproxil Fumarate 300mg is also available from CanadaTenofovir Disoproxil Fumarate 300mg from $4.17 USD/tabletTenofovir Disoproxil Fumarate 300mg
Generic Alternative to Viread
Marketed as Apo-Tenofovir in Canada
Manufactured by: Apotex Inc.
Product of Canada. Shipped from CanadaRxPrescription Required
Basic Information On Viread
Viread is used to treat HIV infection along with other antiretroviral drugs. It belongs to the reverse transcriptase antiretroviral drug family. These drugs achieve their action by preventing effective functioning of an enzyme called reverse transcriptase, which is responsible for producing copies of viral DNA. The Viread drug is also used to treat chronic hepatitis B in individuals whose liver is still functional and is not made dysfunctional by hepatitis or other diseases.
Side Effects/Precautions For Viread
Viread or Tenofovir disoproxil fumarate is known to cause sleep problems, headaches, dizziness and diarrhea. Some individuals also experience depression. Muscle and joint pain are quite common but you must not treat these problems by taking over counter pain killers as some of these can interact with brand or generic Viread medication. You may experience changes in the shape of your body, particularly fat accumulation around flabby areas. You must consult your doctor if side effects seem uncontrollable.
Tenofovir disoproxil fumarate is known to cause liver damage symptoms of which jaundice, loss of appetite. It is also known to cause lactic acidosis with muscle symptoms like fatigue, breathing trouble and dizziness. Your heart rate can also be affected due lactic acidosis, which is a serious threat to life. Use of brand or generic Viread in pregnant women is considered safe, as it is not known to cause any harm to the fetus. Breastfeeding is not encouraged as it increases the risk of infantile infection. If you have a history of renal diseases, you may not be prescribed this drug as it can worsen your renal condition and lead to waste build up in the body.
For treating both HIV infection and chronic hepatitis B, the dose is 300 mg per day. The dose duration is dependent on the response of the patient. Blood counts are monitored regularly to ensure that the viral load is in check. For hepatitis B, the duration of treatment is not fixed and solely depends on the response and monitoring. Dose adjustments are required for not required for mild renal impaired individuals. For severe renal impaired, the dose is 300 mg given every 72 hours, for the moderately impaired it is 300 mg given every 48 hours. No dose adjustments are required for mild renal impairment.
Buy Viread From North Drug Store
North Drug Store is a online online prescription service with a reputation for quality service. You can easily place an order for Viread 300 mg. Before you buy Viread, please ensure that you have a prescription.
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What is a "Generic" medication/drug?
Generic drugs are medications that have the comparable medicinal ingredients as the original brand name drug, but which are generally cheaper in price. Nearly 1 in 3 drugs dispensed are "generic". They undergo comparative testing to ensure that they are the same as their "brand" counterparts in:
- Active Ingredient (e.g. "Pravastatin" is the active ingredient in brand name Pravachol)
- Dosage (e.g. 10 mg of the active ingredient)
- Safety (e.g. same or similar side effects, drug interactions)
- Performance (e.g. 10 mg of a "generic" can be substituted for 10 mg of the "brand" and have the same therapeutic result)
- Intended use (e.g. both "generic" and "brand" would be prescribed for the same conditions)
What this means is that "generic" medications can be used as a substitute of their brand equivalents with comparable therapeutic results. There are a few exceptions (examples are outlined at the end of this page) and as always you should consult your physician before switching from a brand name medications to a generic or vice versa.
What differences are there between generic and brand?
While generics and brand equivalent drugs contain comparable active ingredients, they may be different in the following ways:
- Appearance (e.g. the scoring or markings)
The color, shape and size of the medication come from the fillers that are added to the active ingredients to make the drug. These fillers that are added to the drug have no medical use and do not to change the effectiveness of the final product. A generic drug must contain comparable active ingredients and must be comparable in strength and dosage to the original brand name equivalent. Generic drugs can be more cost effective than purchasing the brand name.
Why do generics cost less than the brand name equivalents?
When a new drug is "invented", the company that discovered it has a patent on it that gives them the exclusive production rights for this medication. Once the patent expires in a country, other companies can bring the product to market under their own name. This patent prevents other companies from copying the drug during that time so they can earn back their Research and Development costs through being the exclusive supplier of the product. After the patent expires however, other companies can develop a "generic" version of the product. These versions generally are offered at much lower prices because the companies do not have the same development costs as the original company who developed the medication.
The main thing to realize here though is that the two products are therapeutically comparable. They may look different, and be called something different, but they are required to be have the same active ingredient.
How are Generic drugs tested to ensure quality and efficacy?
The two most generally accepted methods to prove the safety of a generic version of a drug are to either repeat most of the chemistry, animal and human studies originally done, or to show that the drug performs comparably with the original brand name drug. This second option is called a "comparative bioavailability" study. During this type of study, volunteers are given the original drug, and then separately later the generic drug. The rates at which the drug is delivered to the patient (into their blood stream or otherwise absorbed) are measured to ensure they are the same. Because the same active ingredient is used the major concern is just that it delivers the common chemical(s) at the same rate so that they have the same effect. Please note that the methods that the manufacturers use may vary from country to country.