Treatment of cough and chest congestion symptoms caused by the common cold, flu, or other breathing illnesses (e.g., sinusitis, bronchitis) by helping thin and loosen mucus in the lungs, making it easier to cough up the mucus. Codeine is a narcotic cough suppressant which reduces the urge to cough.

Minor side effects (if these symptoms persist or worsen, inform your doctor)

  • drowsiness
  • dizziness
  • lightheadedness
  • facial flushing
  • nausea
  • vomiting
  • constipation

Inform your doctor

  • Allergy to the medication or to narcotic pain relievers (e.g., morphine) or any allergies



Taking multiple drugs may affect how medications work and/or cause unwanted side effects. List down all the medications you are taking and inform your physician and pharmacist. Do not take, discontinue, or alter any dose of medications without prior approval of your physician.

If overdose is suspected, contact a poison control center or emergency room immediately. Symptoms may include:

  • fast/slow/irregular heartbeat
  • slow/shallow breathing
  • cold/clammy skin
  • loss of consciousness

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