Uniphyl (Theophylline Anhydrous Tablet) Drug Information: Description, User Reviews, Drug Side Effects, Interactions

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February 9, 2012

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Uniphyl

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UNIPHYL
(theophylline, anhydrous) Tablet

DRUG DESCRIPTION

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:

Uniphyl® (theophylline, anhydrous) Structural Formula Illustration

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?

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...

Read All Potential Side Effects and See Pictures of Uniphyl »

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...

Read All Potential Precautions of Uniphyl »

Last reviewed on RxList: 3/30/2009
This monograph has been modified to include the generic and brand name in many instances.