Seizure definition - Medical Dictionary definitions of popular medical terms easily defined on MedTerms

Font Size

Seizure Index


	Our Seizure Main Article provides a comprehensive look at the who, what, when and how of Seizure

Definition of Seizure

Seizure: Uncontrolled electrical activity in the brain, which may produce a physical convulsion, minor physical signs, thought disturbances, or a combination of symptoms.

The type of symptoms and seizures depend on where the abnormal electrical activity takes place in the brain, what its cause is, and such factors as the patient's age and general state of health.

Seizures can be caused by head injuries, brain tumors, lead poisoning, maldevelopment of the brain, genetic and infectious illnesses, and fevers. In fully half of the patients with seizures, no cause can yet be found.

Seizure is abbreviated sz. See also epilepsy.

Last Editorial Review: 6/2/2004

Common Misspellings: siezure

Seizure Index

Printer-Friendly Format

Email to a Friend

Suggested Reading by Our Doctors

clonazepam, Klonopin - Explains the medication clonazepam (Klonopin), a drug used for the short-term relief of the symptoms of anxiety.
CT Scan (Computerized Axial Tomography) - CT Scan (Computerized Axial Tomography, CAT scan) is a procedure that assists in diagnosing tumors, fractures, bony structures, and infections in the organs and tissues of the body.
Brain Tumor - Read about brain tumor symptoms such as headaches, nausea or vomiting, balance and walking problems, mood and personality changes, memory problems, and numbness or tingling in the legs.

Latest Medical News

Back to MedTerms online medical dictionary A-Z List

Important Safety Information

Vimpat (lacosamide) is a medicine that is used with other medicines to treat partial onset seizures in patients 17 years of age and older with epilepsy. Vimpat is generally well-tolerated, but may not be for everyone. Ask your doctor if Vimpat is right for you. Antiepileptic drugs, including Vimpat, may cause suicidal thoughts or actions in a very small number of people, about 1 in 500. Call your healthcare provider right away if you have new or worsening symptoms of depression, any unusual changes in mood or behavior, or suicidal thoughts, behavior, or thoughts about self harm that you have never had before or may be worse than before. Please see additional patient information in the Medication Guide at the end of the full prescribing information. This information does not take the place of talking with your healthcare provider about your condition or your treatment. Please see additional Patient Safety Information

Definition of Seizure

Latest Medical News

Are You Seeking Better Seizure Control?

Important Safety Information

Epilepsy

From WebMD

Brain and Nervous System Resources

Featured Centers

Health Solutions From Our Sponsors