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Medications and Drugs

Brand Names: Ed-Bron G, Elixophyllin-GG

Generic Name: guaifenesin and theophylline (Pronunciation: gwye FEN e sin and thee OFF il in)

What is guaifenesin and theophylline (Ed-Bron G, Elixophyllin-GG)?

Guaifenesin is an expectorant. It helps loosen congestion in your chest and throat, making it easier to cough out through your mouth.

Theophylline is a bronchodilator. Theophylline works in several ways: It relaxes muscles in your lungs and chest to increase airflow, decreases the sensitivity of your lungs to allergens and other substances that cause inflammation, and increases the contractions of your diaphragm so that more air is drawn into the lungs.

The combination of guaifenesin and theophylline is used to treat symptoms of asthma, bronchitis, and emphysema.

Guaifenesin and theophylline may also be used for other purposes not listed in this medication guide.

What are the possible side effects of guaifenesin and theophylline (Ed-Bron G, Elixophyllin-GG)?

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.

Call your doctor at once if you have a serious side effect such as:

  • seizure (convulsions);
  • fast or uneven heart rate; or
  • severe nausea or vomiting.

Less serious side effects may include:

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

What is the most important information I should know about guaifenesin and theophylline (Ed-Bron G, Elixophyllin-GG)?

Call your doctor right away if you experience nausea, vomiting, insomnia, restlessness, seizures, an increased heart rate, or a headache. These symptoms could be signs of too much theophylline in your blood.

Do not start or stop smoking without first talking to your doctor. Smoking changes the way your body uses theophylline, and you may need a dose adjustment.

Do not take more of this medicine than is prescribed without consulting your doctor. Seek medical attention if you are having increasingly difficult breathing.



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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