SPL Set ID: ac490ebf-24e1-47c4-a932-ad4dcafe7aad
1 drug(s) with this SPL Set ID
Theophylline is structurally classified as a methylxanthine. It occurs as a white, practically 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: 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 theophylline extended-release tablet for oral administration contains either 300 mg or 450 mg of anhydrous theophylline. Theophylline extended-release tablets also contain as inactive ingredients: colloidal silicon dioxide, hypromellose, lactose monohydrate, magnesium stearate and povidone. chemicalsrtucture