Novel controlled release pharmaceutical compositions for oral use containing midodrine and/or its active metabolite desglymidodrine. The novel compositions are designed to release midodrine and/or desglymidodrine after oral intake in a manner which enables absorption to take place in the gastrointestinal tract so that a relatively fast peak plasma concentration of the active metabolite desglymidodrine is obtained followed by a prolonged and relatively constant plasma concentration of desglymidodrine. Also disclosed is a method for treating orthostatic hypotention and/or urinary incontinence, the method comprising administration to a patient in need thereof of an effective amount of midodrine and/or desglymidodrine in a composition according to the invention.
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