Imaging tests, such as
CT scan, are often done after a first
seizure. And they are recommended in other
An MRI or CT scan may be done immediately if you had a seizure along
with confusion or new motor or sensory problems that did not improve soon
after the seizure ended. Ongoing headache or fever,
AIDS, recent head trauma, cancer, or
anticoagulant therapy also increases the likelihood
that the seizure was related to a serious brain problem. The nature of the
seizure and your age can also help determine whether an imaging test is
Imaging tests may be used before epilepsy surgery to find the exact
location of a problem in the brain. Because scans are able to detect brain lesions,
they can also be helpful in deciding whether it is safe to stop treatment with
medicine. The presence of lesions increases your risk of having seizures if you
stop taking medicine.
How this information was developed to help you make better health decisions.