What is a tonic seizure?

The seizure usually lasts less than 10 seconds but may be as long as one minute.

The tonic phase typically begins with a brief flexing of trunk muscles, upward movement of the eyes, and pupil dilation. Patients usually emit a characteristic vocalization.

This is the most common type among all age groups and is categorized into several phases beginning with vague symptoms hours or days before an attack. These seizures are sometimes called grand mal...

This type of seizure many people think of when they hear the word epilepsy. Marked by loss of consciousness and stiffening and/or jerking of the muscles throughout the body, including arms and legs,...

These symptoms include anxiety, mood changes, irritability, weakness, dizziness , lightheadedness, and changes in appetite.