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Doctor insights on: How Quickly Can I Increase My Dose Of Prozac

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How quickly can I increase my dose of prozac (fluoxetine)?

How quickly can I increase my dose of prozac (fluoxetine)?

Depends: Depending on why you are being treated and the form of the medication (daily vs. Weekly) as well as how you tolerate it, you may even be able to start at a "high" dose (60-90 mg). ...Read more

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Dr. Heidi Fowler
1,037 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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Been on 10mg Prozac (fluoxetine) 6 weeks. Feeling better. Dr says to start 20mg. Will I experience nausea and increased anxiety again changing dose?

Been on 10mg Prozac (fluoxetine) 6 weeks. Feeling better. Dr says to start 20mg. Will I experience nausea and increased anxiety again changing dose?

Probably not: Usually, the initial side effects of a medication are not repeated when increasing doses. However, by crystal ball is in the shop and we will only know when you try. ...Read more

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My dr. Lowered my dose of Prozac (fluoxetine) from 20mg to 10mg..Because of the half life does this mean i will have more in my system and if so for how long?

Prozac (fluoxetine): Yes Prozac (fluoxetine) has a longer half life of approximately 5-7 days, eliminated usually in several weeks. Because of this yes, dose adjustments may delay change in symptoms if doing so for side effect reasons. ...Read more

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Had my Prozac (fluoxetine) prescribed for anxiety stopped working or do I need to change the dose?

Had my Prozac (fluoxetine) prescribed for anxiety stopped working or do I need to change the dose?

Chk dose., Time used: Some patient may experience increase energy or activation early after initiating of txmt. Onset of action usually delayed 2-4 wees. If your dose has been adjusted gradually and the medication is not working with 6 to 8 weeks , it may require a dosege incras or it may not be working at all. In some cases it continues for many years to prevent relapse of symptoms. Consider re-visiting psychiatrist. ...Read more

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How long should I stay on starting dose 10mg of Prozac (fluoxetine) before bumping up to 20mg? (For anxiety)

That depends: There is no set limit as to when to increase the dose of the medication. The decision is made, depending on your individual case history and presentation, the amount of anxiety and possibly mixed depression you may have, etc. This is done through continuity of care with your provider at the next appt. you schedule. Best wishes. ...Read more

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Dr recommended I increase prozac (fluoxetine) dosage. Is it safe to go 20mg to 40mg? Or should I do 20mg to 30mg and then 40mg? I have 10mg and 20mg pills.

Dr recommended I increase prozac (fluoxetine) dosage. Is it safe to go 20mg to 40mg? Or should I do 20mg to 30mg and then 40mg? I have 10mg and 20mg pills.

Prozac (fluoxetine): Please only increase or change medications under your doctor's direct supervision. I would take it which ever way your provider suggested. It is usually safe to increase dose by 10 or by 20mg at a time. ...Read more

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Started Prozac (fluoxetine) back up at 20mg a day, along with my 15mg Valium a day. Just read Prozac (fluoxetine) can increase Valium levels. Am I in danger?

Shouldn't be: You're taking a fairly low dose of both Prozac and Valium ... But, yes, because of the way Prozac is metabolized, it will effect the concentration of Valium. That said, if you're having acute anxiety and depression - perhaps have a discussion with your doctor about another medication which might be more appropriate for you (such as Cymbalta (duloxetine) or Pristiq). Hope that helps! ...Read more

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I have trichotillomania, I have seen a phyciatrist & he has given me the lightest dose of Prozac (fluoxetine) to try out. I havn't started taking it yet. Should i?

I have trichotillomania, I have seen a phyciatrist & he has given me the lightest dose of Prozac (fluoxetine) to try out. I havn't started taking it yet. Should i?

Yes: Trichotillomania, or compulsive hair pulling, is a form of obsessive compulsive disorder. The best treatment for OCD is a combination of serotonin boosting meds, like prozac, (fluoxetine) and cognitive behavioral therapy. Usually, in OCD spectrum disorders, a higher dose of Prozac (fluoxetine) will be necessary ultimately but your doctor is right to start you on a low dose so that you can get used to it. ...Read more

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I take 20mg Prozac (fluoxetine) in the morning. If I miss a dose and realized it in the afternoon or evening, should I still take it or wait till the next morning?

Half time: If you remember in the 1st half of the day - take it ASAP. If you're in the 2nd half (closer to the next dose, wait. Do NOT take two to make up for the missed dose!!! Try not to have this happen but don't worry - every now and then things get thrown off and it's okay. Relax. ...Read more

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I know starting Prozac (fluoxetine) can raise anxiety levels initially. My question is, how long does the increase of anxiety when starting Prozac (fluoxetine) last?

I know starting Prozac (fluoxetine) can raise anxiety levels initially. My question is, how long does the increase of anxiety when starting Prozac (fluoxetine) last?

It varies.: Prozac (fluoxetine) actually is used for treating Anxiety also. If you are feeling more Anxious , and is interfering with your daily routine, you should talk to your doctor. I usually recommend about a week to get adjusted to a new medicine. I believe you must be taking it for Depression. Try Meditation and Relaxation Technique to help with Anxiety ...Read more

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I was taking 20mg Prozac (fluoxetine) and increased to 30mg daily this month . Should i take all in the morning or or divide at breakfast and lunch. Eventually i plan to move to 40mg daily . When should I increase?

Once a day: Prozac (fluoxetine) can be taken once a day at any dose due to its extremely long half life. Some people can even take it once a week! don't do that (the once a week) without consulting the prescribing physician, please. ...Read more

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I am just starting Prozac (fluoxetine) and was wondering what will happen if my depression increases?

Depression: Prozac (fluoxetine) and similar medications can take several weeks to reach full effectiveness. After and even within that time period, if your depression worsens, it will be important to contact your physician, as you may need a change in dosage or to shift to a different medication. However giving the medication time to work is an important piece of starting an antidepressant. ...Read more

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How long before 3 doses of Prozac (fluoxetine) outvof system?

4 to 5 weeks: Prozac (fluoxetine) has a half life of 7 days and it takes at least 4 half lifes or more to clear your body. ...Read more

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Dr. Alan Ali
758 doctors shared insights

Prozac (Definition)

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