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    I Hi Everyone !!!

    As much I know, a generic drug is a copy of a brand name drug whose patent has expired . Can anybody please let know more on the same.

    Thanks.
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    Not a lot more to it than that.

    Coamoxiclav - brand name augmentin
    Diclofenac - brand name volterol
    Ibuprofen - brand name neurofen
    Diazepam - brand name valium

    We often prescribe generic names as they tend to be cheaper and all doctors will know what the drug is, less confusion.
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    When a drug is discovered, the discovering company can patent it and get a monopoly on the product. This lets them earn a ton of money, and is used to drive R&D development (it costs literally billions to get these things to market, and nobody would do it if they didn't get a patent ).

    When the patent runs out, other companies can market the drug. They still have to develop the process (how to manufacture it on an industrial scale) and there can be still be variation in the drug formulation (how they tablet it, or put it into syringes or liquid doses or whatever) that causes differences between different products of the same active drug. But with no patent, the economics of the situation change drastically - it's a case of taking the cost of manufacture plus a percentage cut for profit. Within months of the patent expiring, prices are often slashed.
 
 
 
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