Buy Tyzeka from Canadian & International Pharmacies
Tyzeka (Telbivudine)and/or alternatives
Basic Information On Tyzeka
Tyzeka is an antiviral drug which belongs to the class of medicines called “thymidine nucleoside analogue”. It is used to treat chronic hepatitis B in adult patients who either have elevations in serum aminotransferases (ALT or AST) or histologically active disease. It is a synthetic thymidine nucleoside analogue with activity against hepatitis B virus (HBV) DNA polymerase. It functions by preventing the viral cells from growing in the body and infecting new liver cells. Introducing Tyzeka drug into viral DNA causes DNA chain termination. This stops HBV multiplication. This medicine should not be used for patients under 16 years of age. It does not cure hepatitis B and is used after performing biochemical, serologic and histologic tests.
Precautions / Side Effects Of Tyzeka
Tyzeka contains Telbivudine. It can cause adverse side effects like numb or cold feeling in arms and legs, muscle pain or weakness, stomach pain, trouble breathing, nausea with vomiting, dizziness, fast or uneven heart rate, and feeling very weak or tired. Such symptoms should be urgently reported to your doctor, as these may indicate a life threatening disorder known as lactic acidosis. You would need to adjust your dose of brand or generic Tyzeka if you have received a liver transplant, suffer from HIV or AIDS, and have a kidney disease or other types of hepatitis (C or D).
Telbivudine would not prevent the hepatitis B infection from passing on to others. You should avoid sharing your toothbrushes, razors and needles. You should discuss with your doctor about methods of having safe sex, as having unprotected sex can transmit hepatitis infection. Brand or generic Tyzeka can cause myopathy along with increases in creatine kinase (CK) values. You should be under medical supervision as you may develop acute exacerbations of hepatitis B.
The recommended Tyzeka dosage for the treatment of chronic hepatitis B in patients over 16 years of age is 600 mg taken once a day. You should take it orally, with or without food. In case you have trouble swallowing the tablets, you may also take the oral 30 ml solution. Tyzeka dosage for patients with renal impairment depends on their creatinine clearance. While patients with creatinine clearance greater than 50 ml/min can take the normal 30 ml daily dose, patients with creatinine clearance 30-49 ml/min should take 20 ml of Tyzeka once daily. Patients with creatinine clearance less than 20 ml/min need a daily dose of 10mL/min.
Buy Tyzeka From North Drug Store
North Drug Store supplies brand or generic Tyzeka as 600 mg tablets. You can buy Tyzeka from North Drug Store as we offer fast shipping.
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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.