What are the possible side effects of brompheniramine/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 confusion, loss of coordination, unusual thoughts or behavior severe dizziness, anxiety, restless feeling, or nervousness increased cough, chest tightness shallow breathing, slow heartbeat easy bruising or bleeding, unusual weakness, fever, chills, body aches, flu symptoms seizure (convulsions); or painful or difficult urination Less serious side effects may include: dizziness, drowsiness, tired feeling feeling excited or restless sleep problems (insomnia) nausea, vomiting, diarrhea, constipation dry mouth, nose, or throat warmth, numbness, or tingly feeling increased sweating or urination blurred vision, dry eyes ringing in your ears; or mild skin rash or itching This