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Elixophyllin GG Oral

Precautions and Side Effects


Generic Name: THEOPHYLLINE/GUAIFENESIN - ORAL
Pronounced: (gweye-FEN-eh-sin/thee-OFF-ih-lin)

Elixophyllin GG Oral Side Effects

Table of Contents

Nausea, vomiting, headache, trouble sleeping, diarrhea, irritability, restlessness, shaking, increased urination, and stomach pain/cramping may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.

Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

Tell your doctor immediately if any of these rare but serious side effects occur:

  • fast/irregular heartbeat
  • seizures


A very serious allergic reaction to this drug is rare. However, seek immediate medical attention if you notice any symptoms of a serious allergic reaction, including:

  • rash
  • itching/swelling (especially of the face/tongue/throat)
  • severe dizziness
  • trouble breathing


This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.

Call your doctor for medical advice about side effects. In the US, you may report side effects to the Food and Drug Administration (FDA) at 1-800-FDA-1088.

In Canada, you may report side effects to Health Canada at 1-866-234-2345.

Elixophyllin GG Oral Medical Alert

Your condition can cause complications in a medical emergency. For information about enrolling in MedicAlert, call 1-800-854-1166 (USA) or 1-800-668-1507 (Canada).

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