Novartis Tegretol
Executive Summary
Carbamazepine suspension should not be administered simultaneously with other liquid medicinal agents or diluents, company says in a March 11 "Dear Doctor" letter. Novartis is discussing testing of the drug combination with FDA following a report "of a patient who passed an orange rubbery mass in his stool the day after ingesting Tegretol Suspension immediately followed by Thorazine (chlorpromazine) solution," according to the letter