"i have been on this wonder drug for many years.  i find that if i forget to take my medicines for even one day i become sad and can cry very easily.  if i am off them for more than 3 days watch out.  so don&#039;t skip.  take your medicines. i am 46 and find i am forgetting things. i have been on antidepressents for 20 years now.  6 or 7 of those years on this medicine. "