what is clonic tonic type of seizures
Tonic-clonic seizures are a type of generalized seizure. They have been recognized for a very long time; they are described in Egyptian hieroglyphics that date back to 700 BC. Tonic seizures involve sudden stiffening and contraction of the muscles. Clonic seizures involve rhythmic twitching or jerking of one or several muscles. Tonic-clonic seizures are a combination of these two types in a specific pattern. This page discusses tonic, clonic, and tonic-clonic seizures and their variations.