Theo-24
"Introduction to emphysema
The lungs are a pair of organs in the chest that are primarily responsible for the exchange of oxygen and carbon dioxide between the air we breathe and the blood.
The lung is composed of clusters o"...
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Theo-24
THEO-24
(theophylline, anhydrous) Capsule, Extended Release
DRUG DESCRIPTION
Theophylline
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:
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The molecular formula of anhydrous theophylline is C7H8N4O2 with a molecular weight of 180.17.
Theo-24 (theophylline anhydrous capsule) ® is available as capsules intended for oral administration, containing 100 mg, 200 mg, 300 mg, or 400 mg of anhydrous theophylline per capsule, in an extended-release formulation which allows a 24-hour dosing interval for appropriate patients. Inactive ingredients are edible ink (which contains synthetic black iron oxide, FD&C Blue No. 1, FD&C Blue No. 2, FD&C Yellow No. 6, D&C Yellow No. 10, FD&C Red No. 40), ethylcellulose, gelatin, pharmaceutical glaze, colloidal silicon dioxide, starch, sucrose, talc, titanium dioxide, and coloring agents: 100 mg-includes FD&C Yellow No. 6; 200 mg-FD&C Red No. 3 and D&C Yellow No. 10; 300 mg-FD&C Blue No. 1 and FD&C Red No. 40; 400 mg-FD&C Red No. 40 and D&C Red No. 28.
Theo-24 (theophylline anhydrous capsule) ® Extended-release capsules meet Drug Release Test 6 as published in the current USP monograph for Theophylline Extended-release Capsules.
What are the possible side effects of theophylline?
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Stop using theophylline and call your doctor at once if you have any of these serious side effects:
- seizure (convulsions);
- worsening of your condition, or symptoms of new illness;
- severe or ongoing nausea and vomiting, headache, fast or uneven heart rate, and trouble sleeping (insomnia);
- coughing up blood or vomit that looks like coffee grounds;
- ongoing fever;
- feeling restless,...
Read All Potential Side Effects and See Pictures of Theo-24 »
Last reviewed on RxList: 4/8/2009
This monograph has been modified to include the generic and brand name in many instances.
Additional Theo-24 Information
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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