SPL Set ID: 7a422c32-bbdf-4297-84f4-9c438c904b0c
1 drug(s) with this SPL Set ID
Theophylline, USP is structurally classified as a methylxanthine. It occurs as a white, odorless, crystalline powder with a bitter taste. Anhydrous theophylline has the chemical name 1 H -Purine -2, 6-dione, 3,7-dihydro-1, 3-dimethyl-, and is represented by the following structural formula: C 7 H 8 N 4 O 2 M.W. 180.17. This product allows a 12-hour dosing interval for a majority of patients and a 24-hour dosing interval for selected patients (see DOSAGE AND ADMINISTRATION section for description of appropriate patient populations). Each extended-release tablet for oral administration contains either 300 mg or 450 mg of anhydrous theophylline. Tablets also contain as inactive ingredients: hypromellose, lactose monohydrate, anhydrous lactose, magnesium stearate, polyethylene glycol and povidone. theophylline