Tramadol Side Effects

Tramadol is a narcotic-like pain reliever.

Tramadol is used to treat moderate to severe pain. Tramadol extended-release is used to treat moderate to severe chronic pain when treatment is needed around the clock.

You should not take this medication if you are allergic to tramadol, if you have ever been addicted to drugs or alcohol, or if you have ever attempted suicide. Do not take tramadol while you are intoxicated (drunk) or taking any of the following: alcohol or street drugs, narcotic pain medicine, sedatives or tranquilizers, or medicine for depression, anxiety, or mental illness.

Seizures (convulsions) have occurred in some people taking this medicine. Tramadol may be more likely to cause a seizure if you have a history of seizures or head injury, a metabolic disorder, or if you are taking certain medicines such as antidepressants, muscle relaxers, narcotic, or medicine for nausea and vomiting.

Seek emergency medical attention if you think you have used too much of this medicine. A tramadol overdose can be fatal.

Tramadol may be habit-forming and should be used only by the person it was prescribed for. Keep the medication in a secure place where others cannot get to it.

Do not crush the tramadol tablet. This medicine is for oral (by mouth) use only. Powder from a crushed tablet should not be inhaled or diluted with liquid and injected into the body. Using this medicine by inhalation or injection can cause life-threatening side effects, overdose, or death.

Get emergency medical help if you have any of these signs of an allergic reaction to tramadol: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Stop using tramadol and call your doctor at once if you have any of these serious side effects:

  • agitation, hallucinations, fever, fast heart rate, overactive reflexes, nausea, vomiting, diarrhea, loss of coordination, fainting;
  • seizure (convulsions);
  • a red, blistering, peeling skin rash; or
  • shallow breathing, weak pulse.

Less serious tramadol side effects may include:

  • dizziness, spinning sensation;
  • constipation, upset stomach;
  • headache;
  • drowsiness; or
  • feeling nervous or anxious.

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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