What are the possible side effects of codeine and phenylephrine (Ala-Hist AC)?
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. You may repo
