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Background Interictal depression is common in patients with epilepsy and it significantly impacts quality of life. Some studies indicate that levetiracetam (LEV) may have mood stabilizing properties. Methods Twenty-five adults with uncontrolled partial seizures and concomitant depressive symptoms were treated with LEV. Patients were evaluated for depression and anxiety with several psychometric measures, including: Montgomery and Asberg Depression Rating Scale (MADRS), Hamilton Depression Rating Scale (HDRS), Zung Self-rating Scale for Depression (Z-SDS), Hamilton Anxiety Rating Scale (HARS), Zung Self-rating Scale for Anxiety (Z-SAS). Results Evaluations after 5 weeks and after 3 months of LEV treatment demonstrated significant improvement in depression and anxiety. Conclusions This uncontrolled study suggests that treatment with LEV may also improve depression and anxiety in patients with partial seizures. However, the sample of patients is limited and the possibility of a placebo effect cannot be excluded. These findings must be considered preliminary and should be replicated under placebo-controlled conditions.

(1) To measure depressive and dissociative symptoms in a population of patients with Non-Epileptic Seizures (NES, or pseudo-seizures); (2) To compare NES with Epileptic subjects and Normal controls; (3) To try to define a personality profile specific, or typical, of NES patients.30 consecutive patients (21 females and 9 males, mean age 32.9+/-11.7 years) with NES diagnosed on clinical basis and confirmed by video-EEG recording; 30 patients with epilepsy matched for age and sex who had presented at least two seizures in the 12 months prior to the study despite pharmacological treatment; 30 Control subjects, healthy volunteers, matched for age and sex. Psychometric evaluation: Hamilton Rating Scale for Depression (HDRS), Dissociative Experience Scale (DES), Minnesota Multiphasic Personality Inventory-2 (MMPI-2). Groups were compared by means of one-way Analysis of Variance (ANOVA) for independent samples, followed by posthoc Tukey HSD Test, with Bonferroni correction for multiple comparisons.Depressive and dissociative symptoms showed a significantly higher prevalence in the NES group as compared to Epileptics (p0.001) and Controls (p0.001), whereas patients with epilepsy did not differ from Controls. The analysis of the MMPI-2 in NES group showed a general increase in most MMPI-2 T-scores as compared to Epileptics and Controls, rather than a constant elevation (T-score70) of one or more scales. No specific personality profile could be identified for the NES group.Our results are consistent with the hypothesis that depression and dissociative mechanisms are important precursors to the development and expression of NES.