CAS number 76-57-3
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 any of these serious side
*shallow breathing, slow heartbeat;
*feeling light-headed, fainting;
*confusion, agitation, hallucinations, unusual thoughts or behavior;
*seizure (convulsions); or
*problems with urination.
Less serious codeine side effects include:
*feeling dizzy or drowsy;
*nausea, vomiting, constipation;
*trouble sleeping (insomnia);
*loss of interest in sex;
*blurred vision; or
*mild skin rash.