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Quibron-T

Generic name: theophylline [ thee-OF-i-lin ]
Brand name: Quibron-T

Quibron-T is used for:

Preventing and treating symptoms and blockage of airway due to asthma or other lung diseases (eg, emphysema, bronchitis). It may also be used for other conditions as determined by your doctor.

Quibron-T is a xanthine derivative. It works by relaxing the muscle around the airways in the lungs, which allows them to widen and makes breathing easier. It also improves contraction of the diaphragm (the major breathing muscle) and decreases the response of the airways to irritants.

Do NOT use Quibron-T if:

Contact your doctor or health care provider right away if any of these apply to you.

Before using Quibron-T:

Some medical conditions may interact with Quibron-T. Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:

Some MEDICINES MAY INTERACT with Quibron-T. Tell your health care provider if you are taking any other medicines, especially any of the following:

This may not be a complete list of all interactions that may occur. Ask your health care provider if Quibron-T may interact with other medicines that you take. Check with your health care provider before you start, stop, or change the dose of any medicine.

How to use Quibron-T:

Use Quibron-T as directed by your doctor. Check the label on the medicine for exact dosing instructions.

Ask your health care provider any questions you may have about how to use Quibron-T.

Important safety information:

Possible side effects of Quibron-T:

All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome:

Irritability; mild, temporary caffeine-like effects (eg, headache, nausea, diarrhea, trouble sleeping); mild, temporary changes in behavior; restlessness; temporary increased urination.

Seek medical attention right away if any of these SEVERE side effects occur:

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); confusion; dizziness; fast breathing; fast or irregular heartbeat; heart rhythm problems; seizures; severe or persistent nausea, diarrhea, or headache; sleeplessness; tremors; vomiting.

This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider. Call your doctor for medical advice about side effects. To report side effects to the appropriate agency, please read the Guide to Reporting Problems to FDA.

If OVERDOSE is suspected:

Contact 1-800-222-1222 (the American Association of Poison Control Centers), your local poison control center, or emergency room immediately. Symptoms may include agitation; chest pain; confusion; decreased urination; fast or irregular heartbeat; headache; increased thirst; irritability; loss of appetite; muscle pain or tenderness; nausea; nervousness; persistent increased urination; restlessness; seizures; severe or persistent diarrhea; stomach pain; tremors or twitching; vomiting, especially of blood.

Proper storage of Quibron-T:

Store Quibron-T at room temperature, between 59 and 86 degrees F (15 and 30 degrees C), in a tightly closed container. Store away from heat, moisture, and light. Do not store in the bathroom. Do not refrigerate. Keep Quibron-T out of the reach of children and away from pets.

General information:

This information is a summary only. It does not contain all information about Quibron-T. If you have questions about the medicine you are taking or would like more information, check with your doctor, pharmacist, or other health care provider.

Issue Date: June 3, 2015

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.