en Neurology Neurology Short Communication Short Communication <span style="font-size:14px;"><span style="font-family:times new roman;"><span style="color:#0000FF;"><strong><em>Background</em></strong><em>:</em></span> Epilepsy is one of the most common neurological disorder. This study aimed to investigating the relationship of family history pattern and prognosis of idiopathic epilepsy.<br> <span style="color:#0000FF;"><strong><em>Methods</em></strong><em>:</em></span> In this study, 377 patients with epilepsy referring to Imam clinic were investigated. Data were collected by means of a checklist that contained demographic data, age of first seizure attack, response rate to treatment, parental relationship, seizure history, family history and recurrence of seizure. And then the data were analyzed by SPSS Version 23.<br> <span style="color:#0000FF;"><strong><em>Results</em></strong><em>:</em></span> Among the 337 patients, 199 (52.8 %) individuals were males and 178 (47.2%) individuals were females. The mean age of patients was 28.3&plusmn;14 years. Approximately 50% of patients had a history of seizure and epilepsy in one of the close first relatives or relatives who had adequate knowledge of their disease. The mean incidence age of epilepsy was lower in patients with a positive family history of disease than those who did not have a family history of epilepsy (p<0.05). Among the 33 patients who did not respond well to treatment, there was a 75% family history of epilepsy (p<0.05). The average age of epilepsy was lower in those with family marriage, but was not statistically significant.<br> <span style="color:#0000FF;"><strong><em>Conclusion</em></strong><em>:</em></span> According to the findings of the present study, the patients diagnosed with idiopathic epilepsy, the family history of epilepsy and seizure, especially in their first degree relatives is fairly high, that may indicate genetic causes in the etiology of the disease.</span></span> idiopathic epilepsy, Risk factors, Family history 219 222 http://caspjim.com/browse.php?a_code=A-10-1319-1&slc_lang=en&sid=1 Masoud Ghiasian Masoud_ghiasian@yahoo.com 100319475328460021798 100319475328460021798 No Department of Neurology, Faculty of Medicine, Hamedan University of Medical Sciences , ,Hamedan, Iran sajjad Daneshyar s.danshyar72@yahoo.com 100319475328460021799 100319475328460021799 Yes Student Research Committee, Hamedan University of Medical Sciences, Hamedan, Iran Elham Khanlarzadeh khanlarzadeh800@yahoo.com 100319475328460021800 100319475328460021800 No Department of Community and Family Medicine, Faculty of Medicine, Hamedan University of Medical Sciences, Hamedan, Iran Mohamadreza Bolouri Novin Bolouri_Novin@yahoo.com 100319475328460021801 100319475328460021801 No Department of Neurology, Faculty of Medicine, Hamedan University of Medical Sciences , ,Hamedan, Iran