What are the possible side effects of acetaminophen, chlorpheniramine, and codeine (Cotabflu)?
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: • severe weakness, dizziness, anxiety, restless feeling, or nervousness; • confusion, hallucinations, unusual thoughts or behavior; • seizure (convulsions); • chest pain or tightness; • fast, pounding, or uneven heartbeats; • slow heart rate, weak pulse, fainting, weak or shallow breathing; • signs of infection such as fever, sore throat, flu symptoms, easy bruising or bleeding (nosebleeds, bleeding gums); • urinating less than usual or not at all; or • nausea, stomach pain, low fever, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes). Less serious side effects may include: • dry eyes, blurred vision; • dry mouth, upset stomach, constipation; • warmth, tingling, or redness under your sk