The following side effects may get better over time as your body gets used to the medication. Let your healthcare provider know immediately if you continue to experience these symptoms or if they worsen over time.
Common Side Effects
- Sleepiness
- Dizziness
- Dry mouth
Less Common Side Effects
- Blurry vision
- Trouble urinating
Acetaminophen/Chlorpheniramine/Dextromethorphan serious side effects
Contact your healthcare provider immediately if you experience any of the following.
- Allergic reactions: rash; hives; difficulty breathing; swelling of face, lips, tongue, or throat
- Serious skin reaction: skin reddening, blisters, rash
- Liver damage: severe stomach pain, yellowing of skin or eyes, nausea, vomiting, loss of appetite
- Excessive sleepiness or dizziness
- Serotonin syndrome: fast heart rate, sweating, muscle stiffness or spasms, high fever, confusion
Source: DailyMed
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