In a patient with a gastroplasty, gastric outlet obstruction developed after the dosage of nifedipine GITS (gastrointestinal therapeutic system) was increased from 30 to 60 mg/d. The hard, insoluble shell for this extended-release tablet appears causative.
(Arch Intern Med. 1991;151:1868-1869)
Prisant LM, Carr AA, Bottini PB, Kaesemeyer WH. Nifedipine GITS (Gastrointestinal Therapeutic System) Bezoar. Arch Intern Med. 1991;151(9):1868–1869. doi:10.1001/archinte.1991.00400090140025
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