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Acetaminophen / dextromethorphan / diphenhydramine / pseudoephedrine Side Effects
Applies to acetaminophen / dextromethorphan / diphenhydramine / pseudoephedrine: capsules
Check with your doctor if any of these most COMMON side effects persist or become bothersome:
Seek medical attention right away if any of these SEVERE side effects occur while taking acetaminophen / dextromethorphan / diphenhydramine / pseudoephedrine:Constipation; diarrhea; dizziness; drowsiness; excitability; headache; loss of appetite; nausea; nervousness or anxiety; trouble sleeping; upset stomach; vomiting; weakness.
Severe allergic reactions (rash; hives; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); difficulty urinating or inability to urinate; fast or irregular heartbeat; hallucinations; seizures; severe dizziness, lightheadedness, or headache; stomach pain; tremor; trouble sleeping; vision changes; yellowing of skin or eyes.
Not all side effects for acetaminophen / dextromethorphan / diphenhydramine / pseudoephedrine may be reported. You should always consult a doctor or healthcare professional for medical advice. Side effects can be reported to the FDA here.
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
Some side effects may not be reported. You may report them to the FDA.
More about acetaminophen/dextromethorphan/diphenhydramine/pseudoephedrine
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- Drug class: upper respiratory combinations
