Seizures are electrical activity in the brain that results in loss of consciousness, changes in behavior and a variety of other symptoms. They can be life threatening, so it's important to know how to treat them.There are many different types of seizures, but the most common are tonic and clonic seizures. These occur when the brain's electrical activity causes stiffening and shaking of the muscles, followed by a sudden loss of consciousness. Emfit NZ Usually, tonic clonic attacks are short and are followed by a headache.Some people have tonic-clonic seizures without warning. Others may feel confused for hours, wake up with a headache, or lose control of their bladder.Tonic-clonic attacks are characterized by a sudden stiffness of the muscles on both sides of the body. The person experiencing the seizure may bite his or her tongue or inside of the cheek. He or she may also appear very sleepy and be in a state of confusion.If a tonic-clonic attack lasts longer than five minutes, the condition is called status epilepticus. It is a severe form of the disorder and can cause permanent damage to the brain. Therefore, it's crucial to seek medical treatment if a tonic-clonic seizure lasts more than five minutes.Tonic-clonic seizures are usually diagnosed with electroencephalography (EEG). EEG is a type of test that can show the area in the brain where the seizures are starting.Because seizures are not always caused by a medical condition, they are often treated with medicines. However, some of the medications may take several tries before the right dose is found.