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Codeine
Pronounced KOE-deen
Brand names: Tylenol with Codeine (combination)
Type: Opioid pain reliever and cough suppressant · All Pain Relief & Fever Medicines
What Codeine is used for
- Mild to moderate pain, usually combined with acetaminophen
- Cough (in certain combinations)
◆ Kidney note
Its active form (morphine) builds up in kidney failure — it is generally avoided in advanced kidney disease.
Common side effects
- Constipation
- Nausea
- Drowsiness
- Dizziness
Important cautions
- Must not be used in children after tonsil or adenoid surgery, and is restricted in children generally, because some people convert it to morphine dangerously fast
- Breastfeeding is discouraged while taking it for the same reason
- Can be habit-forming and interacts with alcohol and sedating medicines
How it comes
Tablets (usually combinations), liquid. This guide lists forms only — it never lists strengths or doses.
Related medicines — Pain Relief & Fever Medicines
Please note: This page is a patient-education summary, not medical advice, and it deliberately contains no doses. Medicines affect everyone differently — always follow your own prescription and talk to your doctor or pharmacist before starting, stopping or changing any medicine.