"The U.S. Food and Drug Administration today approved Opsumit (macitentan), a new drug to treat adults with pulmonary arterial hypertension (PAH), a chronic, progressive and debilitating disease that can lead to death or the need for lung transpla"...
(theophylline, anhydrous) Tablet
Uniphyl (theophylline anhydrous tablet) ® (theophylline, anhydrous) Tablets in a controlled-release system allows a 24-hour dosing interval for appropriate patients.
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.
Each controlled-release tablet for oral administration, contains 400 or 600 mg of anhydrous theophylline.
Inactive Ingredients: cetostearyl alcohol, hydroxyethyl cellulose, magnesium stearate, povidone and talc.
What are the possible side effects of theophylline (Elixophyllin, Theo-24)?
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Stop using theophylline and call your doctor at once if you have a serious side effect such as:
- severe or continued vomiting;
- rapid or uneven heartbeats;
- seizure (convulsions);
- confusion, tremors or shaking;
- nausea and vomiting, severe headache, rapid heart rate;
- low potassium (confusion, uneven heart rate, extreme thirst, increased urination, leg...
What are the precautions when taking theophylline anhydrous tablet (Uniphyl)?
Before using theophylline, tell your doctor or pharmacist if you are allergic to it; or to theobromine or caffeine; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using this medication, tell your doctor or pharmacist your medical history, especially of: a certain breathing disorder (cystic fibrosis), glaucoma, diabetes, heart problems (e.g., congestive heart failure, irregular heartbeat), high blood pressure, kidney disease, liver disease (e.g., cirrhosis), seizures, stomach/intestinal ulcer, thyroid disease.
This drug may make you dizzy. Do not drive, use machinery, or do any activity that requires alertness until you are sure you can...
Last reviewed on RxList: 3/30/2009
This monograph has been modified to include the generic and brand name in many instances.
Additional Uniphyl Information
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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.
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