Night Time Pain

Name: Night Time Pain

Night Time Pain (acetaminophen and diphenhydramine) side effects

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

In rare cases, acetaminophen may cause a severe skin reaction that can be fatal. This could occur even if you have taken acetaminophen in the past and had no reaction. Stop taking this medicine and call your doctor right away if you have skin redness or a rash that spreads and causes blistering and peeling. If you have this type of reaction, you should never again take any medicine that contains acetaminophen.

Stop using the medicine and call your doctor at once if you have:

  • fast, pounding, or uneven heartbeats;

  • severe dizziness or drowsiness, slow or shallow breathing;

  • tremor, restless muscle movements;

  • little or no urinating;

  • flu symptoms, easy bruising, unusual bleeding, pale skin, feeling light-headed; or

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

Common side effects may include:

  • constipation;

  • dry eyes, blurred vision, dry mouth or nose;

  • mild dizziness or drowsiness, trouble concentrating;

  • feeling restless or excited (especially in children); or

  • mild skin rash.

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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