"The US Food and Drug Administration (FDA) has approved the long-acting muscarinic antagonist tiotropium bromide (Spiriva Respimat, Boehringer Ingelheim) for long-term maintenance treatment of asthma in people aged 12 years and older, accor"...
(theophylline) Tablets USP
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 1H-Purine-2,6-dione, 3,7-dihydro-1,3-dimethyl-, and is represented by the following structural formula:
The molecular formula of anhydrous theophylline is C7H8N4O2 with a molecular weight of 180.17. THEOLAIR Tablets contain 125 mg or 250 mg of theophylline anhydrous intended for oral administration. THEOLAIR (theophylline tablets) Tablets also contain: colloidal silicon dioxide, lactose, magnesium stearate, and pregelatinized starch.
Last reviewed on RxList: 4/7/2009
This monograph has been modified to include the generic and brand name in many instances.
Additional Theolair Information
- Theolair Drug Interactions Center: theophylline oral
- Theolair Side Effects Center
- Theolair FDA Approved Prescribing Information including Dosage
Report Problems to the Food and Drug Administration
Allergies & Asthma
Improve treatments & prevent attacks.