SPL Set ID: 5e64036a-ee3e-42e7-9e59-881f88a4e298
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 1,3-Dimethyl-3,7-dihydro-1H-purine-2,6-dione, and is represented by the following structural formula: C 7 H 8 N 4 O 2 M.W.180.17 g/mol. 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 and povidone. structure-theophylline