Doctor insights on:
How Long Does Prozac Take To Work For Depression
Oral or IV or IM: If you are taking it for vertigo and IF it is going to work should take effect in 20-30 minutes orally or by dissolving tablet in your mouth but a bit quicker for IV and variable for IM. 2 issues; do you rally have vertigo or is it another problem? Even if you have true vertigo it may not work. If not improving see your doctor. ...Read more
Depression is a mood disorder that can affect behavior and emotions. Symptoms of depression include feeling down most of the time, losing interest in previously enjoyable activities, increase or decrease in appetite or weight, sleeping more or less, becoming easily agitated or lethargic, feeling worthless, feeling guilty, having difficulty concentrating, thinking more about death and dying. Depression can sometimes result in suicidal thoughts and plans. In this case, emergent ...Read more
Varies: This can vary andre depend on the dose needed for help. Some people will report benefit within several days but it may take a few weeks. ...Read more
Depends: Stelazine is a first generation anitpsychotic which was indicated for hallucinations and delusions. However, it is a good, inexpensive alternative to second generation meds used for bipolar and severe depression. Agitation and sleep problems usually improve in days. Hallucinations and delusions can take weeks. Dosages often need adjustment. Tell your prescriber of lack of progress/ side effect. ...Read more
Fluoxetine activity.: Fluoxetine enhances serotonin levels in the brain. Serotonin is a brain chemical involved in mood regulation. For this medication to be effective it must be taken on a daily basis. Usually it will take from 2-4 weeks to notice any improvement. A follow-up with your physician is important. At times the dosage may need adjustments, or a a different medications may be required. ...Read more
Prozac (fluoxetine): Usually after one week you would see some response, then within 4-5 weeks for full efficacy at the therapeutic dose. ...Read more
Depends: The time to onset of action of Abilify (aripiprazole) varies based on a number of factors including, among others, the condition being treated, how severe that condition is and how long it has been present. That being said you could begin to notice some effect within 3-7 days and continued improvement over 4-6 weeks. ...Read more
2 - 4 weeks: Like most other antidepressants, Mirtazapine (brand name remeron) usually starts to result in improvement after about 2 weeks of use, with increasing benefit over the next several weeks. In my own practice, i tend not to wait much past 4 weeks if there's been no benefit at all; other psychiatrists will say to wait up to 6 or 8 weeks. ...Read moreSee 1 more doctor answer
3 weeks or more: Most ssris start to show effectiveness against depression about 2 weeks after starting them. Prozac (fluoxetine) is about 1 week slower due to its long half-life (it takes longer to reach a steady blood level). So a good estimate is about 3 weeks. But everybody's different; some people feel better faster, others need to wait longer. Also, improvement is gradual, it doesn't become "effective" all at once. ...Read more
Varies: What is clear is that antidepressants essentially never work instantly. Typically, we talk about 2-4 weeks--but that's once we get to a therapeutic dose, which itself may take several weeks. An adequate antidepressant trial can take as long as 3 months--but benefits also can happen much quicker than that. ...Read more
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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