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A seizure is a sudden burst of electrical activity in the brain. It can cause changes in behavior, movements, feelings and levels of consciousness. Epilepsy is defined as having two or more seizures at least 24 hours apart that don't have a known cause. But epilepsy doesn't cause all seizures.
Seizure symptoms vary based on the type and severity, but may include: Loss of consciousness. Uncontrollable movements (convulsions, muscle spasms, jerking). Staring. Other symptoms may include: Sudden emotional changes (confusion, fear, joy, anxiety). Teeth clenching. Drooling. Abnormal eye movements.
A seizure that causes either loss of awareness or control can be dangerous if you're driving a car or operating other equipment. Many states have driver's license restrictions related to a driver's ability to control seizures. In these states, there is a minimum amount of time that a driver must be seizure-free before being cleared to drive. ...
Traumatic brain injury. Another possible cause of a first-time seizure is a traumatic brain injury (TBI). After a TBI, the seizures may occur immediately. In other cases, they might happen within ...
Seizures are changes in your brain’s electrical activity. Learn more about types of seizures, causes and symptoms, and how you can help someone having a seizure.
Seizure Causes. Seizures can happen with no explanation, but many conditions and events are known to bring them on, including: Stroke; Cancer; Brain tumors
Seizures may cause a serious heart rhythm problem or cardiac arrest. Breathing difficulty. If breathing stops (for example, due to sleep apnea), lack of oxygen to your heart and brain can be life-threatening. Also, sometimes airways can get blocked during a convulsive seizure, which could cause suffocation.
People who've had seizures most often can have healthy pregnancies. But some medicines used to treat seizures sometimes can cause health conditions that are present at birth. Valproic acid is a medicine for generalized seizures that has been linked with cognitive issues and neural tube defects, such as spina bifida, in babies.
A seizure is an individual event, and epilepsy is a medical condition that causes a person to have a predisposition to recurrent seizures. There are many causes of seizures. Epilepsy is the most common cause of seizures, but not every seizure is associated with epilepsy.
A seizure is a sudden surge of electrical activity in the brain. Read about types of seizures, symptoms, diagnosis, treatment, prevention, and more.