A generic drug is a copy of the brand-name drug with the same dosage, safety, strength, quality, consumption method, performance, and intended use. Before generics become available on the market, the generic company must prove it has the same active ingredients as the brand-name drug and works in the same way and in the same amount of time in the body.
The only differences between generics and their brand-name counterparts is that generics are less expensive and may look slightly different (eg. different shape or color), as trademarks laws prevent a generic from looking exactly like the brand-name drug.
Generics are less expensive because generic manufacturers don't have to invest large sums of money to develop a drug. When the brand-name patent expires, generic companies can manufacture a copy of the brand-name and sell it at a substantial discount.
Known as Telfast in the UK
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Allegra 12 Hour
Allegra 12 hour also known as Telfast is an antihistamine and is used to get rid of seasonal symptoms and perennial allergic rhinitis which include hay-fever. It is also used to temporarily get rid of relieving symptoms that are caused by common cold, allergies or flu.
Allegra 12 Hour also helps to cure excessive sneezing, allergic conjunctivitis and inflammation of nose during allergic reactions. You can buy the medicine Allegra 12 Hour from Canada Pharmacy.
If you are taking it for self-treatment, then do read all the instructions on the product before using it. However, if a doctor prescribed it to you then take it as directed. Take this tablet by mouth on an empty stomach (preferably at least 1 to 2 hours before a meal). Take this medication with a glass of water. Do not take this medication with juices such as apple or orange as they might decrease the absorption of the drug.
The medicine contains pseudoephedrine and fexofenadine.
Side effects that may occur due to this drug are dizziness, trouble sleeping (insomnia), nausea or headache. If your conditions worsen, consult a pharmacist.
An empty tablet shell might appear in your feces, but that is nothing to worry about – the effect is harmless. If you experience fast or irregular heart pounding, shaking, mental/mood changes, anxiety or problems urinating, consult a doctor. Many users do not have serious side effects.
A very serious allergic reaction to this Allegra 12 Hour is extremely rare.