GENERIC NAME: theophylline
BRAND NAMES: Elixophyllin, Theo-24
DISCONTINUED BRANDS: Respbid, Slo-Bid, Theolair, Uniphyl Theo-Dur, Slo-Phyllin
GENERIC AVAILABLE: Yes
USES: Theophylline is used for the relief and prevention of airway narrowing (bronchospasm) in patients with asthma. Theophylline also can be used in treating patients with emphysema and chronic bronchitis when their symptoms are related to reversible airway narrowing. Theophylline can be administered together with other bronchodilators, such as albuterol (Ventolin, Proventil) for added bronchodilator effect.
SIDE EFFECTS: Common side effects are:
Other important and more serious side effects include seizures and heart arrhythmias. Theophylline should be used cautiously in patients with high blood pressure, peptic ulcer disease, seizure disorders, and serious heart disease, especially heart rhythm problems.
PREPARATIONS: Capsule (extended release): 100, 200, 300, and 400 mg
DRUG INTERACTIONS: Certain groups of patients breakdown theophylline slowly, and can develop elevated blood levels and potential toxicity even on normal doses. These patients include those with liver disease, older men with chronic lung diseases, infants, patients with high fever or heart failure, and patients taking other medications that increase blood theophylline levels.
Quick GuideAsthma Symptoms, Causes, and Medications
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
Need help identifying pills and medications?
Use the pill identifier tool on RxList.