Updated October 18, 2012
According to Dr. Ivan Goldberg: "The administration of a single 20 mg capsule of fluoxetine usually does the job. The withdrawal symptoms are relieved within hours and the patient goes through a slow fluoxetine withdrawal that is usually symptomless. If the individual had been on a high dose of paroxetine or venlafaxine, a second 20 mg of of fluoxetine may be needed."
Gradually decreasing your dosage over an extended period of time is preferable to quitting "cold turkey."
Because Prozac has a very long half-life, extreme withdrawal symptoms are unlikely with it. There is a built in "tapering off" by virtue of the fact that it leaves your body so slowly.
Certain antidepressants, such as Effexor, may cause withdrawal symptoms even if you are slightly late with a scheduled dose. Keeping a regular schedule can help you avoid these symptoms.
Dr. Bob's Psychopharmacology Tips. 1997. Dr. Robert Hsiung. Accessed: June 21, 2007.
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