What are the possible side effects of codeine-phenylephrine?
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. Stop using this medication and call your doctor at once if you have any of these serious side effects: fast or pounding heartbeat feeling like you might pass out chest tightness or congestion easy bruising or bleeding, unusual weakness severe dizziness, anxiety, restless feeling, or nervousness seizure (convulsions); or painful or difficult urination Less serious side effects may include: dizziness, drowsiness, headache dry mouth, nose, or throat nausea, vomiting, diarrhea, constipation increased sweating or urination feeling excited or restless sleep problems (insomnia) blurred vision, dry eyes ringing in your ears; or mild skin rash or itching This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect.
