Theophyllinedrug info
theophylline 5.33 MG/ML Oral Solution
What it is used for
Theophylline is indicated for the treatment of the symptoms and reversible airflow obstruction associated with chronic asthma and other chronic lung diseases, e.g., emphysema and chronic bronchitis.
Text above is quoted in full from the FDA-approved drug label published by openFDA, effective February 6, 2026. Matched to this product by RxNorm code. Cross-references to other sections of the full prescribing information have been removed, since they point to a document not shown here. Nothing else is changed: no sentence is shortened, reworded or summarised.
Description
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 C 7 H 8 N 4 O 2 with a molecular weight of 180.17.Theophylline Oral Solution, USP is available as a clear red color liquid with a fruit flavor intended for oral administration, containing 80 mg of theophylline anhydrous in each 15 mL (tablespoonful).Theophylline Oral Solution, USP also contains the following inactive ingredients: citric acid, sodium saccharin, sodium benzoate, glycerin, propylene glycol, FD&C Red #40, natural and artificial fruity flavor and purified water. Theophylline Oral Solution, USP has a pH of 4.3 - 4.7 image description
Text above is quoted in full from the FDA-approved drug label published by openFDA, effective February 6, 2026. Matched to this product by RxNorm code. Cross-references to other sections of the full prescribing information have been removed, since they point to a document not shown here. Nothing else is changed: no sentence is shortened, reworded or summarised.
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