Safetussin PM

Name: Safetussin PM

What happens if I miss a dose?

Since dextromethorphan and doxylamine is used when needed, you may not be on a dosing schedule. If you are on a schedule, use the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not use extra medicine to make up the missed dose.

Safetussin PM (dextromethorphan and doxylamine) 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.

Stop using dextromethorphan and doxylamine and call your doctor at once if you have:

  • severe dizziness or anxiety;

  • a light-headed feeling, like you might pass out;

  • little or no urinating; or

  • liver problems--nausea, upper stomach pain, itching, tired feeling, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes).

Common side effects may include:

  • drowsiness, dizziness;

  • nervousness;

  • sleep problems (insomnia); or

  • feeling restless or excited (especially in children).

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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