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.
Less Common Side Effects
- Restlessness
- Nervousness
- Trouble sleeping
Dexbrompheniramine/Phenylephrine serious side effects
Contact your healthcare provider immediately if you experience any of the following.
- Signs of accidentally taking too much: seizures, hallucinations, not responding to sound or touch, fast heartbeat, flushing, extreme sleepiness, changes in vision, irritability in children
Source: DailyMed
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