Treating moderate to moderately severe pain.

Endodan is a narcotic pain reliever and salicylate combination. The narcotic works in the brain to reduce pain. The salicylate works by blocking certain chemicals in the body that cause pain and inflammation.

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  • Examples include Endodan and Percodan
  • Constipation; dizziness; drowsiness; heartburn; lightheadedness; nausea; stomach upset; vomiting.

    Seek medical attention right away if any of these SEVERE side effects occur:
    Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue; unusual hoarseness); bloody or black stools; confusion; dark urine; decreased or difficult urination; fainting; fast, slow, or irregular heartbeat; fever, chills, or persistent sore throat; hallucination; hearing loss; mood or mental changes; muscle pain, weakness, or cramps; one-sided weakness; ringing in the ears; seizures; severe dizziness, drowsiness, headache, or lightheadedness; severe or persistent constipation, heartburn, or stomach pain; shortness of breath; slow or shallow breathing; trouble swallowing; unusual bruising or bleeding; vision or speech problems; vomit that looks like coffee grounds; wheezing; yellowing of the skin or eyes.
  • Take Endodan by mouth with or without food. It may be taken with food if it upsets your stomach. Taking it with food may not lower the risk of stomach or bowel problems (eg, bleeding, ulcers). Talk with your doctor or pharmacist if you have persistent stomach upset. Do not change your dose or suddenly stop taking Endodan without first checking with your doctor. If Endodan is no longer needed, dispose of it as soon as possible. Ask your doctor or pharmacist how to dispose of Endodan properly. If you miss a dose of Endodan and you are taking it regularly, take it as soon as possible. If it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not take 2 doses at once.