what is the good & side effect of sertraline 100mg medecine.i already start taking this medecine from 2008 till 2016 once in a day, everyday but i could,t find any good result.i start forgetting any type house-hold work and can,t remember properly but i always have to think so many times but i can,t get any result, but my age is 52 +.what steps should i take for this medecine . please can you help me what to do?