Maxiphen CD

Name: Maxiphen CD

Maxiphen CD (codeine, guaifenesin, and phenylephrine) side effects

Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Get emergency medical help if a child taking this medicine has breathing problems, blue lips, or severe drowsiness, or if you cannot wake the child up from sleep.

Stop taking this medicine and call your doctor at once if you have:

  • noisy breathing, sighing, shallow breathing;

  • severe drowsiness, hallucinations;

  • fast, slow, or uneven heart rate;

  • a seizure;

  • nervousness, tremors; or

  • little or no urination.

Serious side effects may be more likely in older adults and those who are overweight, malnourished, or debilitated.

Common side effects may include:

  • dizziness, drowsiness, weakness;

  • headache;

  • nausea;

  • sleep problems (insomnia); or

  • feeling nervous, anxious, or restless.

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.

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