Can Fludac Be Continued For Recurring Nervous Problem?

Hello sir. I am sudip shal. from kolkata. sir i can t English very good. sir I suffer some nurve problem. doctor suggest me some medicine. after some week later my problem vanish. doctor suggest 1 capsule (fludac 10) every day after breakfast. I eat capsule 1and half year. after weekly 10 day 20 day latter 3 years latter me face same problem. so my quieten is I eat same capsule every day. long time eat this capsule any side effect ?