Here is a timetable for recovery for people taking fluoxetine (I got it from another forum). It seems to match my case and might match your daughter's:
Week 1: This week can go either way. Some find almost immediate improvement while other see the side effects (see weeks 2-3) after the first day.
Weeks 2,3: These are almost always the most difficult. Anxiety and depression can get worse than before the medication. Side effects kick in, these can include sleeplessness, nightmares, diarrhea, nausea, hot flashes, excessive sweating (especially at night), dry mouth, muscle twitches, overall muscle weakness and pain, zero appetite, and very negative mental outlook. My advice is, take these one day at a time and try not to get discouraged, not every day will be bad and better times are ahead!
Weeks 4,5: Some improvement. The side effects lessen to some point, and there are moments when you start to feel normal. Typically evenings are the best and mornings the worst. Many start playing around with dosage at this point because they are told that the Prozac should be working, my advice: hold the course!
Weeks 6,7: More improvement. Maybe 50% to 70% better than before starting. There are often blips where you feel just terrible for a few days, but not usually over a week. Some side effects lessen, but also you may get new side effects. Hang in there, you are getting ready to turn a corner!
Weeks 8-10: Even more improvement. There still are blips, but they are less severe and shorter, maybe 1-2 days. Not normal yet, but getting better day by day. The side effects are usually 75% or so gone. Light at the end of the tunnel!
Weeks 10-12: Maybe this is wishful thinking for me (I'm not here yet), but this is where most see the best results. Some quotes from this time period: "best in months", "Amazing", "Feel good", "brilliant". Again, this is for the people for whom the prozac did work, not everyone, and for those who stuck to their original dosage. For some, this happens at 7 weeks, for some, 3-4 months. But, from what I have read, 10-12 weeks is the payoff time.