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(topiramate) Extended-release Capsules
Topiramate, USP, is a sulfamate-substituted monosaccharide. QUDEXY XR (topiramate) extended-release capsules are available as 25 mg, 50 mg, 100 mg, 150 mg, and 200 mg capsules for oral administration as whole capsules or opened and sprinkled onto a spoonful of soft food.
Topiramate is a white to off-white powder. Topiramate is freely soluble in polar organic solvents such as acetonitrile and acetone; and very slightly soluble to practically insoluble in non-polar organic solvents such as hexanes. Topiramate has the molecular formula C12H21NO8S and a molecular weight of 339.4. Topiramate is designated chemically as 2,3:4,5-Di-Oisopropylidene-β-D-fructopyranose sulfamate and has the following structural formula:
QUDEXY XR (topiramate) extended-release capsules contain beads of topiramate in a capsule. The inactive ingredients are microcrystalline cellulose, hypromellose 2910, ethylcellulose, diethyl phthalate.
In addition, the capsule shells for all strengths contain hypromellose 2910, titanium dioxide, black iron oxide, red iron oxide and/or yellow iron oxide, black pharmaceutical ink, and white pharmaceutical ink (200 mg only).
Last reviewed on RxList: 4/16/2015
This monograph has been modified to include the generic and brand name in many instances.
Additional Qudexy XR Information
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