Focal Seizures: Simple and Complex Focal Seizures

Focal Seizures: Simple and Complex Focal Seizures

Focal Seizures

Focal seizure results from electrical disturbances in a part of the brain and is associated with symptoms which are related to movement, sensation, feeling and emotions controlled by the affected part of the brain.

Simple Focal Seizures and Complex Focal Seizures

In many cases a focal seizure starting from one location in the brain may spread to other parts of the brain and is referred to as generalized focal seizures. However, in seizures when the patient doesn’t loose his/her consciousness and is aware about the events in the surrounding, the condition is referred to as simple focal seizure.


In cases of loss of consciousness, the condition is referred to as complex focal seizures.

Epilepsy is a form of focal seizure which may be simple or complex in nature

What causes Focal Seizures?

The causes of focal seizures depend upon the health of the brain and the nervous system. Seizures may be caused due to following,

Drug toxicity: Certain types of drugs result in toxic effect on the nerves and are associated with seizures

Tumor or pressure: Increased cerebrospinal fluid levels, brain tumor pressing on a particular part of the brain, hematoma due to concussion, etc are also common causes of focal seizures

Deficiency of calcium, Vitamin B12 has also been found to be associated with seizures

Hyperthermia or high fever is also associated with focal seizures

Focal Seizures Treatment

The treatment of focal seizures depends on the underlying cause.

Calcium and Vitamin Supplements can effectively manage focal seizures associated with deficiency disorders

Surgical intervention is mandated in cases of hemangiomas, blood clots or brain tumor

Anti- Seizure drugs have been found to effectively manage focal seizures