Biaxin XL and regular Biaxin (clarithromycin) tablets

There are some important differences between the new Biaxin XL and regular Biaxin (clarithromycin) tablets.

Biaxin XL is a new 500 mg extended-release tablet for once a day dosing.

It will be promoted as more convenient and better tolerated. The extended-release tabs seem to be less likely to cause GI side effects and the metallic taste.

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