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Doctor insights on: Fluoxetine Dose

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Dr. Heidi Fowler
1,014 doctors shared insights

Fluoxetine (Definition)

Fluoxetine (brand prozac) is an antidepressant in the class known as serotonin selective reuptake inhibitors aka ssris. Fda approved in 1987 for the treatment of major depressive disorder. Subsequently approved for obsessive compulsive disorder, bulimia nervosa, panic disorder, and premenstrual dysphoric disorder. Significantly safer and much better ...Read more


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What do you suggest if my Prozac (fluoxetine) dose was just increased. will I feel differently?

What do you suggest if my Prozac (fluoxetine) dose was just increased. will I feel differently?

May take time: Fluoxetine (Prozac) is an SSRI medication approved for major depression and some types of anxiety. Depending on the psychiatric condition, an increase in dose may take 2-4 weeks to have a noticeable effect, although it may be sooner. ...Read more

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Is the effective Prozac (fluoxetine) dosage usually 20mg? I had a doctor tell me 20mg used to be the only Prozac (fluoxetine) dose and going higher isn't necessary

Is the effective Prozac (fluoxetine) dosage usually 20mg? I had a doctor tell me 20mg used to be the only Prozac (fluoxetine) dose and going higher isn't necessary

Prozac (fluoxetine): The usual edose for Prozac (fluoxetine) is 20 mg. However, some people do require a higher dose if only part of the desired effect is reached. In my practice, if the patient requires more than 40 mg, I seek a consultation from a psychiatrist to determine if their are other psychiatric problems that need to be addressed and, perhap, new medication to fit that particular patient ...Read more

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Why does altering my prozac (fluoxetine) dose affect my menstrual cycle? It happens every time.

Why does altering my prozac (fluoxetine) dose affect my menstrual cycle? It happens every time.

Not known: Medicines like Prozac (fluoxetine) commonly affect the menstrual cycle.I don't believe anyone really knows the precise biology. For many, if that happens, after a few months the cycle can return to normal, even while Prozac (fluoxetine) continues. ...Read more

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I just started Prozac (fluoxetine) (10mg) half dose for my first 2 weeks. I've noticed my right eye only is opening halfway is this related to Prozac (fluoxetine) in anyway?

I just started Prozac (fluoxetine) (10mg) half dose for my first 2 weeks. I've noticed my right eye only is opening halfway is this related to Prozac (fluoxetine) in anyway?

UNLIKELY: I'VE BEEN PRESCRIBING PROZAC (fluoxetine) FOR 40 YEARS AND THIS IS A SIDE EFFECT I'VE NEVER RUN INTO. IT MAY POSSIBLY BE THE PROZAC (fluoxetine), BUT PROBABLY NOT. BE SURE BY STOPPING THE PROZAC (fluoxetine) (IT WILL BE OUT OF YOUR SYSTEM IN ABOUT A MONTH). OTHERWISE A NEUROLOGICAL CONSULT WOULD BE APPROPRIATE. ...Read more

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Just switched to Prozac (fluoxetine) and uped dose rather fast from 10mg to 40mg. It's week 6 and i feel dizzy, unreal, irritable, worse then before. What can I do?

Just switched to Prozac (fluoxetine) and uped dose rather fast from 10mg to 40mg. It's week 6 and i feel dizzy, unreal, irritable, worse then before. What can I do?

Please let your: Prescribing provider know as soon as possible. These symptoms are of concern. If you were my patient i would start reducing the dose right away -but you aren't my patient. So, please contact your doctor very soon. ...Read more

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What is the typical dose of fluoxetine for women?

Unsure: Most patients, men and women, are started on 10 mg. Per day. It is titrated on an individual basis. ...Read more

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How can you safely cut down your dose of fluoxetine?

How can you safely cut down your dose of fluoxetine?

Easily with doc help: Fluoxetine has a 5 day half life in the body, which makes withdrawal problems rare, and tapering not necessary. But do do this with the advice and consultation of your doctor so that you don't risk the return of the symptoms it was helping with. Sometimes you don't realize how much a medication was helping until you lower or stop it. ...Read more

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Just wondering if you can tell me if there is an optimal dose for fluoxetine. I'm currently taking 10mg (for a year now).

Just wondering if you can tell me if there is an optimal dose for fluoxetine. I'm currently taking 10mg (for a year now).

Fluoxetine: Dose may depend on why fluoxetine is prescribed, but most people take 20mg. May need higher for ocd, or less for other kinds of anxiety alone. With depression, generally 20mg. Have used higher doses for depression sometimes too. Need to titrate for individual patient response. ...Read more

Dr. Alan Ali
734 doctors shared insights

Prozac (Definition)

Prozac is a serotonin reuptake blocker which is a kind of ...Read more