If the patient thinks that he/she or anyone else may have taken too much of this medicine, immediately telephone the doctor or the Poisons Information Centre for advice. Alternatively go to the Accident and Emergency Department at the nearest hospital.
Do this even if there are no signs of discomfort or poisoning. The patient may need urgent medical attention.
Symptoms of an overdose may include drowsiness, convulsions and vomiting. They may also include feeling confused, feeling restless, sweating, shaking, shivering, hallucinations, muscle jerks, or fast heartbeat.