Generic Calan is used for treating supraventricular tachycardia, a rhythm disturbance of the heart. It is also used for controlling heart rate response to other rhythm disturbances, specifically atrial fibrillation and atrial flutter.
Generic Keppra is an anti-epileptic drug, also called an anticonvulsant.
Generic Keppra is used to treat partial onset seizures in adults and children who are at least 1 month old.
Generic Keppra is also used to treat tonic-clonic seizures in adults and children who are at least 6 years old, and myoclonic seizures in adults and children who are at least 12 years old.