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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Have Fear, Panic, Anxiety And Trouble Making Decisions

I have been taking Fluoxetine (20 mgs) for 6 years with much success. I made a boo boo and didn t pickup my refill. I have been feeling good for so long I thought maybe I didn t need it. Now its been 2 months and suddenly I m a mess. I picked up my RX and started taking it again 3 days ago. I have fear, panic, anxiety, and trouble making decisions. How long before it starts working again? And why did it take 2 months for my panic and anxiety to set in?
Wed, 12 Feb 2014
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Psychiatrist 's  Response
Hi
Thanks for using healthcare magic

Half life of fluoxetine is 2 to 6 days and a drug needs five half life to maintain drug level and eliminate completely out of body. That mean it need minimum two weeks to get the required level and get out of body. You are taking it for last 3 days, then wait for at least two week more. You get panic attack after two week, that may be due to residual effect of drug that stay for more time.

Thanks


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Have Fear, Panic, Anxiety And Trouble Making Decisions

Hi Thanks for using healthcare magic Half life of fluoxetine is 2 to 6 days and a drug needs five half life to maintain drug level and eliminate completely out of body. That mean it need minimum two weeks to get the required level and get out of body. You are taking it for last 3 days, then wait for at least two week more. You get panic attack after two week, that may be due to residual effect of drug that stay for more time. Thanks