SPL Set ID: 417c9df3-ed15-40ea-a653-b0442f367a54
1 drug(s) with this SPL Set ID
Theophylline 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: C7H8N4O2 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, magnesium stearate, povidone and colloidal silicone dioxide. spl-structure