As mentioned have been on Prozac for 30 days and it's quite a roller-coaster started 5mg for about two weeks day 9-14 major crash slept for 5 days nearly then felt great went to 10mg for a week then 15mg now 20mg for last two days whilst I dont feel depressed and maybe just a hint of anxiety I feel kinda really flat lined I guess im just over the 4 week mark so another two weeks & will see what gives then.. any advice or encouragement would be great! :-)