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Medical Dictionary

orlistat

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noun or·li·stat \ˈȯr-li-stat\

Medical Definition of orlistat

: a drug C₂₉H₅₃NO₅ that prevents the digestion of fat by inhibiting the activity of gastrointestinal lipases and is administered orally in the treatment of obesity ◆Orlistat is marketed under the trademarks Xenical and Alli.

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