6 doctors weighed in:

How long does it take for Prozac (fluoxetine) 20 mg to clear your body?

6 doctors weighed in
Dr. Steven Reidbord
Psychiatry
5 doctors agree

In brief: About a week

There's 2 related questions here.
It takes a little under a week for fluoxetine (prozac) to leave the body after dosing has stopped. This is longer than other antidepressants. But all antidepressants, including prozac, continue to have an effect on mood for 2-3 weeks after they're stopped. The brain effect persists that long even after the drug is gone.

In brief: About a week

There's 2 related questions here.
It takes a little under a week for fluoxetine (prozac) to leave the body after dosing has stopped. This is longer than other antidepressants. But all antidepressants, including prozac, continue to have an effect on mood for 2-3 weeks after they're stopped. The brain effect persists that long even after the drug is gone.
Dr. Steven Reidbord
Dr. Steven Reidbord
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