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A member asked:
How long does prozac (fluoxetine) take to show effect, and what are withdrawals like?
A doctor has provided 1 answer
Prozac (fluoxetine): Depending on what it's used for & dosage, onset is 1 week & up to 4 weeks. Withdrawal can include upset stomach, nervousness, sleep pattern changes, headaches.
Answered 2/13/2013
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