Tonic clonic seizures are characterized by a sudden loss of consciousness. This type of seizure can last up to three minutes and should be treated immediately. If the seizure is not controlled, it could lead to serious complications.People experiencing a tonic clonic seizure often feel confused and sleepy. seizure bed alarm Their body may also experience a change in temperature. The person may also bite their tongue or lose control of their bowels. Typically, the person will be confused for several hours.People with a tonic clonic seizure may have a headache or a pounding head, as well as visual problems. Some may have soreness in their muscles. They might also have a strange taste in their mouth.Seizures can occur when people are sick, have a brain injury, or have some other underlying medical condition. While there are no cures for these disorders, they can be managed. During treatment, doctors will choose the best medicine for each individual.Doctors can diagnose tonic clonic seizures through an electroencephalogram (EEG), which is a test that detects abnormal brain waves. In addition, a video monitor can be used to look at a person's brain while they are asleep.When an individual experiences a tonic clonic seizure, the person will begin to jerk their arms and legs. The jerking movements are generally rapid and intense. However, after about one to three minutes, the jerking will stop.Some people have a generalized tonic clonic seizure, which affects both sides of their brain. These seizures cause muscle contractions, which can be very dangerous. A person with this kind of seizure may fall, become unconscious, or have a hard time walking.