Table 4.

Calcium-channel blockers tested in the treatment of essential tremor.

Drug	Recommended Doses (mg/day)	Main Adverse Effects
Flunarizine	10-20	Dizziness; nausea; constipation; facial flushing; oedema; headache; drowsiness; weight gain; parkinsonism; tardive dyskinesia; dystonia; depression.
Nicardipine	40-120	Dizziness; nausea; constipation; facial flushing; oedema; headache; low blood pressure; fatigue; palpitations; nausea; sore throat.
Nimodipine	60-240	Dizziness; nausea; constipation; facial flushing; oedema; headache; low blood pressure; fatigue; palpitations; nausea; sore throat.