The Clinical Affairs Team at MentalHealth.com is a dedicated group of medical professionals with diverse and extensive clinical experience. They actively contribute to the development of content, products, and services, and meticulously review all medical material before publication to ensure accuracy and alignment with current research and conversations in mental health. Furthermore, some patients experience fever, agitation, and severe muscle stiffness. Hallucinations, confusion, and shivering are additional severe side effects. The development of angle-closure glaucoma (a condition in which severe eye pressure develops and can lead to vision loss) might also occur.
Side Effects for Prozac
Do not take other medicines unless they have been discussed with your doctor. This includes prescription or nonprescription (over-the-counter OTC) medicines and herbal (eg, St. John’s wort) or vitamin supplements. Check with your doctor right away if you have decreased interest in sexual intercourse, delayed or inability to have an orgasm in women, inability to have or keep an erection in men, or loss in sexual ability, desire, drive, or performance. This medicine may cause some people to become drowsy or less able to think clearly, or to have poor muscle control. Make sure you know how you react to fluoxetine before you drive, use machines, or do anything else that could be dangerous if you are not alert and well able to control your movements.
Do not use Prozac if you have used an MAO inhibitor in the past 14 days (such as isocarboxazid, rasagiline, selegiline, phenelzine, or transcypromine). Do not use fluoxetine with thioridazine, linezolid, pimozide, or methylene blue injection. Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use fluoxetine only for the indication prescribed. Auvelity (dextromethorphan and bupropion) is used to treat major depressive disorder. Do not stop using fluoxetine suddenly, or you could have unpleasant withdrawal symptoms.
What other drugs will affect Prozac?
They can last anywhere from a few days to over a year, depending on factors like the medication, dosage, and how you stop taking it. Gradually reducing the dose under a doctor’s guidance can help ease the process. FLUOXETINE (floo OX e teen) treats depression, anxiety, obsessive-compulsive disorder (OCD), and eating disorders. It increases the amount of serotonin in the brain, a hormone that helps regulate mood. At Neurish Wellness, we provide comprehensive mental health care to empower individuals struggling with mental health issues. Our team of experienced behavioral health experts offers personalized care that treats the whole person, not just their symptoms.
- Consider ECG assessment and periodic ECG monitoring if initiating treatment with PROZAC in patients with risk factors for QT prolongation and ventricular arrhythmia.
- In man, following a single oral 40 mg dose, peak plasma concentrations of fluoxetine from 15 to 55 ng/mL are observed after 6 to 8 hours.
- As an SSRI (selective serotonin reuptake inhibitor), Prozac increases the amount of serotonin in the brain, which may help improve mental health 1.
- Paxil is used to treat depression, obsessive-compulsive disorder and anxiety.
- Understanding and preparing for potential symptoms is key to counteracting fluoxetine withdrawal effects with confidence and resilience.
Fluoxetine withdrawal symptoms typically begin within a few days to a week after stopping the medication, fluoxetine withdrawal timeline although the onset can vary depending on individual factors and the duration of use. Due to its long half-life, fluoxetine stays in the body longer, often resulting in a delayed onset of symptoms compared to other antidepressants. Start with a tapering schedule that might involve reducing the dosage by 10% every two to four weeks.
FLUoxetine (Eqv-PROzac) side effects
Adjust dosage, if indicated, with the individual components according to efficacy and tolerability. Safety and efficacy of fluoxetine in combination with olanzapine was determined in clinical trials supporting approval of Symbyax (fixed-dose combination of olanzapine and fluoxetine). The following table demonstrates the appropriate individual component doses of PROZAC and olanzapine versus Symbyax. In controlled trials used to support the efficacy of fluoxetine, patients were administered morning doses ranging from 20 to 80 mg/day. Studies comparing fluoxetine 20, 40, and 60 mg/day to placebo indicate that 20 mg/day is sufficient to obtain a satisfactory response in Major Depressive Disorder in most cases see Clinical Studies.
Neurotransmitters are manufactured and released by nerves and then travel and attach to nearby nerves. Thus, neurotransmitters can be thought of as the communication system of the brain. Serotonin is one neurotransmitter that is released by nerves in the brain.
Report Problems to the Food and Drug Administration
A reaction was considered treatment-emergent if it occurred for the first time or worsened while receiving therapy following baseline evaluation. The risk of administering methylene blue by non-intravenous routes (such as oral tablets or by local injection) or in intravenous doses much lower than 1 mg/kg with PROZAC is unclear. The healthcare provider should, nevertheless, be aware of the possibility of emergent symptoms of serotonin syndrome with such use see WARNINGS AND PRECAUTIONS. Do not start PROZAC in a patient who is being treated with linezolid or intravenous methylene blue because there is an increased risk of serotonin syndrome. In a patient who requires more urgent treatment of a psychiatric condition, other interventions, including hospitalization, should be considered see CONTRAINDICATIONS. In lower weight children, initiate treatment with a dose of 10 mg/day.
- As in adults, fluoxetine and norfluoxetine accumulated extensively following multiple oral dosing; steady-state concentrations were achieved within 3 to 4 weeks of daily dosing.
- The use of MAOIs intended to treat psychiatric disorders with fluoxetine or within 5 weeks of stopping treatment with fluoxetine is contraindicated because of an increased risk of serotonin syndrome.
- Furthermore, some patients experience fever, agitation, and severe muscle stiffness.
- Patients in these 3 studies had moderate to severe bulimia with median binge-eating and vomiting frequencies ranging from 7 to 10 per week and 5 to 9 per week, respectively.
Dosage (10 mg, 20 mg, 40 mg, 60 mg)
Whether offering mental health resources or connecting you to the right therapist, we welcome you as part of our community. More seriously, the Federal Drug Administration (FDA) also warns that taking fluoxetine might result in increased suicidal ideation and behaviors. Additionally, both males and females might experience sexual problems (e.g., decreased sex drive, delayed orgasm). Excessive sweating, headache, and confusion are further side effects of which to be aware.
How Can I Differentiate Between Withdrawal Symptoms and a Relapse?
Depression can develop for no apparent reason, or it can be triggered by a life event such as a relationship problem, a bereavement, or an illness. People with bulimia nervosa have episodes of binge eating which they counteract by making themselves sick. Obsessive-compulsive disorder (OCD) is a condition where you have recurring and persistent ideas that make you do repetitive actions.
FAQs About Fluoxetine Withdrawal Symptoms
The following are answers to some commonly asked questions about fluoxetine’s dosage. Fluoxetine is used to help treat depression in children ages 8 years and older. The following dosage chart highlights fluoxetine’s recommended dosages and maximum dosages.
Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take this medicine (fluoxetine capsules and tablets) with all of your drugs and health problems. Do not start, stop, or change the dose of any drug without checking with your doctor. Keep all follow-up visits with your healthcare provider and call between visits if you are worried about symptoms.
A special MedGuide will be given to you by the pharmacist with each prescription and refill. Check the labels on all your medicines (such as allergy or cough-and-cold products), because they may contain ingredients that cause drowsiness. Sean Jackson is a medical writer with 25+ years of experience, holding a B.A. MentalHealth.com is a health technology company guiding people towards self-understanding and connection. The platform provides reliable resources, accessible services, and nurturing communities. Its purpose is to educate, support, and empower people in their pursuit of well-being.
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