Primary generalized tonic-clonic (PGTC) seizures (sometimes called grand mal seizures) is a type of generalized epilepsy. This type of seizure affects both sides of your brain at the same time. There are two phases of the seizure:
Tonic: The stage when your body loses consciousness.
Clonic: The stage when your body contracts and relaxes rapidly, causing convulsions.
Get more articles like this!
Subscribe to receive the latest articles about epilepsy.