See below: Both meselamine (5-amino-salicylic acid).Lialda is long-acting and is taken 2Xdaily.Asacol (mesalamine) is not long acting and is taken 3 Xs daily.Asacol (mesalamine) is no longer available in the U.S.but can be obtained in the rest of the world and it is MUCH cheaper than Lialda.You can fax your prescription to a Canadian pharmacy for asacol(different trade name but same thing) if u have to pay Lialda out of pocket.Best
Answered 2/24/2016
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