TORONTO--(BUSINESS WIRE)--Biovail Corporation today announced that Aplenzin™ (bupropion hydrobromide) extended-release tablets are now available by prescription in the United States for adults ages 18 and older. Aplenzin™, which was developed by Biovail, offers prescribers and their patients the benefit of convenience with simple one-tablet, once-daily dosing of bupropion at all doses.