What are Tonic-clonic seizures
A Tonic-Clonic Seizure is a generalized seizure that affects the entire brain and is broken up in to 2 phases, Tonic and Clonic. Tonic phase: The person will lose consciousness, and the muscles will tense up causing a person standing to fall. Clonic phase: The muscles will contract and relax rapidly causing convulsions to begin and extremities to become stiff.