A better understanding of the perception of the severity and bothersome caused by seizure phases (warning, ictal, and postictal phases) can contribute to the orientation strategies for adult people with epilepsy (PWEs).

To assess the seizure severity and bothersome and relate them to the clinical aspects of epilepsy and quality of life (QoL).

The Seizure Severity Questionnaire (SSQ) was associated with clinical variables and the Neurological Disorders Depression Inventory for Epilepsy (NDDI-E) and the QOLIE–31 of 98 PWEs, with a significance level of P<0.05.

Most patients reported that seizure warnings helped them prepare for the event, with the postictal phase was the most bother symptom. Higher scores on the SSQ were associated with movements in the ictal phase, a prolonged duration, and the presence of mental and physical effects in the postictal phase. No difference was found in the SSQ, according to the seizure type and frequency. There was an association between the NDDI-E>15 and the SSQ. Higher scores on the SSQ were significantly related to an NDDI-E>15 (P=0.013), in the linear regression model. Seizure severity and bothersome compromise the perception of QoL.

The SSQ was useful in the assessment of the perception of seizure severity in PWEs. The postictal phase was the most bothersome one. The perception of seizure severity is associated with the presence of depression. Seizure severity correlates inversely with QoL.