Sign Out
Taking excessive amounts of phenylephrine may cause palpitations, hypertension, headache, vomiting, paresthesia, seizures and cerebral hemorrhage.
Signs and symptoms of chlorpheniramine maleate overdose include drowsiness, extreme sleepiness, seizure, tachycardia, body weakness, agitation, hallucinations and irritability.
If someone takes dose larger than the recommended, call a doctor, emergency medical services (EMS), or the nearest poison control center immediately.
