What are the possible side effects of codeine ()?

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

Call your doctor at once if you have a serious side effect such as:

• slow heart rate, weak pulse, fainting, shallow breathing;
• feeling like you might pass out;
• confusion, agitation, hallucinations, unusual thoughts or behavior;
• feelings of extreme happiness or sadness;
• seizure (convulsions); or
• problems with urination.

Less serious side effects include:

• feeling...

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What are the precautions when taking codeine (Codeine Sulfate)?

Before taking codeine, tell your doctor or pharmacist if you are allergic to it; or to other narcotic pain medications (e.g., morphine, hydrocodone, oxycodone); or if you have any other allergies. This product may contain inactive ingredients (such as sulfites found in some brands), which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: severe breathing problems (e.g., respiratory depression, carbon dioxide retention), a certain bowel disease (paralytic ileus), severe infectious diarrhea (e.g., Clostridium difficile-associated diarrhea), intoxication with medications that can cause drowsiness...

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