Fluvoxamina Generis

Quick links to important sections

Fluvoxamina Generis

Selected form

Medically reviewed

Marina Burgos

Last updated on 10/01/2026

This page provides general, reference-level information compiled from official medical sources. It is not a substitute for professional medical advice, diagnosis, or treatment. For decisions about your health, please consult a qualified healthcare professional.

Overview of Fluvoxamina Generis

Property Description
Active ingredient Fluvoxamine maleate
Form Oral tablet, Oral capsule
Pharmacological class Selective Serotonin Reuptake Inhibitor (SSRI)
General purpose Balancing brain chemistry to stabilize mood
Origin Synthetic compound

Fluvoxamina Generis is the generic name for a prescription medication primarily used to modulate chemical signaling in the brain. It is formally classified as an antidepressant and belongs to the therapeutic group known as Selective Serotonin Reuptake Inhibitors (SSRIs). The compound is typically prescribed to patients needing pharmacological stabilization of brain signaling pathways.

Fluvoxamine: Classification and Chemical Identity

The core active substance is Fluvoxamine maleate, which is a synthetic compound, manufactured via chemical synthesis. Fluvoxamine is characterized as a Serotonin Uptake Inhibitor and, while an SSRI, it is structurally distinct from many others in its class. A key pharmacological feature is its high affinity for the Sigma-1 receptor (σ1R), a secondary action that is clinically recognized as contributing to a broader effect profile than the primary serotonin reuptake inhibition common to all SSRIs.

Physical Form and High-Level Purpose

Fluvoxamina Generis is intended for oral administration as a single active ingredient product, available in two primary presentations: the conventional immediate-release tablet and the extended-release capsule. The extended-release form provides the benefit of sustained delivery, supporting consistent action throughout the day. Its general therapeutic purpose is to enhance the action of the critical neurotransmitter serotonin. By selectively blocking the reabsorption of serotonin into nerve cells, the drug helps to restore functional chemical balance. This pharmacological stabilization is associated with reducing severe psychological distress and stabilizing pervasive patterns of thought and mood.

What side effects are possible with Fluvoxamina Generis?

Possible side effects and safety information

The safety profile of Fluvoxamine maleate is officially categorized by regulatory agencies based on the frequency and system organ class (SOC) affected. This classification provides a standardized overview of the drug's documented adverse reactions.

Adverse reactions are grouped by frequency as documented in official prescribing information:

  • Very Common (Affecting ge 1 in 10 users): Headache, dizziness, insomnia, somnolence (drowsiness), and nausea.
  • Common (Affecting ge 1 in 100 users): Asthenia, nervousness, anxiety, agitation, anorexia, tremor, dry mouth, constipation, dyspepsia, abdominal pain, hyperhidrosis (sweating), and changes in body weight.
  • Uncommon (Affecting ge 1 in 1,000 users): Hypersensitivity reactions, hallucinations, and extrapyramidal symptoms.
  • Rare (Affecting ge 1 in 10,000 users): Seizures and hepatitis.

Post-marketing reports also document events categorized as Frequency Not Known, including Serotonin Syndrome, hyponatraemia (low sodium levels), and abnormal bleeding events.

Safety Considerations for Specific Groups

Regulatory documents include specific warnings for certain populations. The risk of suicidal ideation and behavior (suicidality) is noted for children, adolescents, and young adults up to age 24, consistent with the class warning for selective serotonin reuptake inhibitors (SSRIs). Older adults may be at increased risk for hyponatraemia and certain bleeding events. Furthermore, the possibility of an increased risk of bone fracture is associated with long-term SSRI use, particularly in older individuals.

Time-Related Safety Patterns

Official labeling specifies that adverse reactions such as anxiety, nausea, or agitation may be reported more frequently during the initial phase of treatment or following an increase in dose. Abrupt cessation may lead to documented discontinuation reactions, including dizziness, sensory disturbances, and sleep disturbances.

Use is contra-indicated with certain other medications, including Monoamine Oxidase Inhibitors (MAOIs), Tizanidine, and Pimozide, due to the risk of serious safety consequences.

Overdose and Emergency Response

Overdose and When to Seek Help

Fluvoxamina Generis overdose can lead to several documented clinical manifestations, primarily affecting the Central Nervous System (CNS) and the cardiovascular and gastrointestinal systems. When taken alone, overdose is generally described as usually benign. However, the risk of severe or life-threatening effects significantly increases in cases of mixed overdose, which involves co-ingestion with other agents such as alcohol, other psychotropic medicines, or additional serotonergic drugs.

Documented Overdose Presentations

System Affected Common Symptoms
Central Nervous System Somnolence, Dizziness, Tremor, Seizures, Coma
Gastrointestinal Nausea, Vomiting, Diarrhea, Abdominal pain
Cardiovascular Tachycardia, Bradycardia, Hypotension, Dysrhythmias

Critical Risk and Emergency Action

A critical, potentially fatal risk is the development of Serotonin Syndrome, which may present with symptoms like agitation, hallucinations, fever, severe muscle stiffness, and loss of coordination. This condition requires immediate medical attention.

Emergency Response: Due to the risk of severe complications, especially Serotonin Syndrome and mixed ingestions, immediate medical help must be sought right away for any suspected overdose. Contact a local Poison Control Center or the nearest hospital emergency department, even if the individual appears well. There is no specific antidote for fluvoxamine overdose; management involves symptomatic and supportive treatment, including monitoring of vital functions. Call emergency services immediately if the individual has collapsed, experienced a seizure, has trouble breathing, or cannot be awakened.

Therapeutic Uses of Fluvoxamina Generis

What Fluvoxamina Generis Treats: Main Uses and Benefits

Fluvoxamina Generis is primarily used to help address symptom clusters that create noticeable functional strain across several key therapeutic domains. The medication is commonly applied in clinical settings that involve acute or unstable symptom patterns. Its primary uses are for the management of Obsessive-Compulsive Disorder (OCD), Social Anxiety Disorder, and conditions involving significant Major Depressive Disorder.

It helps moderate the intensity of recurrent, unwanted thoughts and ritualized, repetitive behaviors typical of OCD, and may assist with managing the severe fear and avoidance associated with anxiety disorders. This therapeutic application supports the patient during difficult episodes by easing distress and contributes to improved comfort during periods of heightened symptoms. The medication is also relevant for easing these symptoms in pediatric patients (ages 8 and older) with OCD.

“The primary benefit is in supporting patients to cope more steadily with the difficult, chronic manifestations of obsessions and intense anxiety, assisting with maintaining functional stability.”


Quick Fact: Support for Compulsive Behaviors and Pervasive Low Mood

Regulatory References

  1. DailyMed (NIH) entry on Fluvoxamine Maleate Tablets

Eligibility and Restrictions for Use

Official Population Eligibility for Fluvoxamina Generis

The eligibility for using Fluvoxamine maleate is strictly defined by regulatory authorities based on age, concurrent medications, and pre-existing conditions. These rules determine who is approved to use the medicine and who is absolutely prohibited.

Absolute Contraindications

Fluvoxamina Generis must not be used by patients who are currently taking or have recently (within 14 days) stopped taking a Monoamine Oxidase Inhibitor (MAOI) intended to treat a psychiatric disorder. The medicine is also contraindicated with the concurrent use of specific drugs, including Tizanidine, Pimozide, Thioridazine, and Alosetron.

Age-Group Eligibility

Use is approved for adults and for pediatric patients starting at 8 years of age for Obsessive-Compulsive Disorder (OCD) (Immediate-Release Tablet). Safety and efficacy have not been established in children younger than 8 years of age, and use for non-OCD indications in children is not recommended.

Restricted and Conditional Use

Eligibility is conditional for certain patient groups. Individuals with hepatic impairment (liver disease) require careful monitoring due to decreased drug clearance. Use must be avoided in patients with unstable epilepsy. During pregnancy, particularly the third trimester, and lactation, use is restricted and requires a thorough assessment, as the medicine is secreted into breast milk and late exposure may carry neonatal risks. Older adults are at an increased risk of hyponatremia and require monitoring.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory information requires careful management or complete avoidance of several drug combinations due to two main interaction categories: metabolic inhibition and pharmacodynamic synergism.

Contraindicated Combinations

The co-administration of Fluvoxamina Generis is contraindicated with several drugs due to high risk of serious adverse effects. These include Monoamine Oxidase Inhibitors (MAOIs), which require a 14-day washout period when switching. Other prohibited co-administrations are Tizanidine, Ramelteon, Alosetron, Pimozide, and Thioridazine.

Clinically Significant Interactions

Fluvoxamina Generis is a potent inhibitor of the metabolic enzyme CYP1A2 and an inhibitor of CYP2C9, CYP2C19, and CYP3A4. This necessitates monitoring and potential dose reduction for co-administered medicines that are substrates of these enzymes, such as Theophylline, Warfarin, Clozapine, Mexiletine, and certain Benzodiazepines (e.g., Diazepam, Midazolam). Co-administration with Warfarin requires careful monitoring of prothrombin time. Concomitant use with other serotonergic agents (e.g., Triptans, Fentanyl, Lithium, St. John's Wort) increases the risk of Serotonin Syndrome. Furthermore, concurrent use with drugs that affect hemostasis, such as NSAIDs or Aspirin, increases the documented risk of bleeding events.

Mechanism of Action

Fluvoxamina Generis functions as a selective inhibitor of neuronal serotonin (5-HT) reuptake at the presynaptic terminal. This molecular interaction specifically blocks the activity of the Serotonin Transporter (SERT), which is responsible for clearing 5-HT from the synapse. The inhibition of SERT leads directly to an increased concentration of free 5-HT within the synaptic cleft. This elevated level of 5-HT enhances binding to postsynaptic receptors, resulting in a change in the frequency and magnitude of serotonergic signaling. This process initiates a downstream signaling cascade, eventually leading to the modulation of various neuronal circuits. Furthermore, the drug exhibits minimal affinity for alpha-adrenergic, histamine, muscarinic, and dopamine receptors, which characterizes its high biochemical selectivity profile. The overall mechanism is the specific pharmacodynamic modulation of the central serotonergic pathway.

Dosage and Administration Information

Fluvoxamina Generis is intended for oral administration as either an immediate-release (IR) tablet or an extended-release (ER) capsule. The medicine may be taken with or without food. Initial doses of both forms are typically administered once daily at bedtime.

Official Dosing and Frequency

Administration is structured by an initial low dose followed by gradual increments, a process known as titration. The goal is to reach the lowest effective dose, not to exceed a defined maximum.

Population/Form Standard Starting Dose Maximum Daily Dose
Adult IR Tablet 50 mg once daily at bedtime 300 mg/day
Adult ER Capsule 100 mg once daily at bedtime 300 mg/day
Pediatric (8-17) IR Tablet 25 mg once daily at bedtime 200–300 mg/day (age-dependent)

For the immediate-release tablet, a total daily dose over 100 mg in adults, or over 50 mg in pediatric patients, is officially advised to be given in two divided doses. When the doses are unequal, the larger dose should be taken at bedtime. Titration increments are typically 50 mg every 4 to 7 days for adults and 25 mg every 4 to 7 days for pediatric patients.

Procedural and Population Rules

Extended-release capsules must be swallowed whole and should not be crushed, broken, or chewed to maintain their delivery mechanism. For older adults or patients with hepatic impairment, a modified initial dose and slower titration schedule are appropriate due to decreased clearance. When discontinuing treatment, a gradual dose reduction (tapering) is officially recommended instead of abrupt cessation.

Recent Clinical Evidence

Research evidence / Overview of studies for Fluvoxamina Generis


Evidence for Use in Obsessive-Compulsive Disorder (OCD)

Research has explored the evaluation of this medication in settings related to conditions characterized by functional limitations, such as Obsessive-Compulsive Disorder. The evidence base includes short-term, double-blind, placebo-controlled, randomized clinical trials (RCTs). These studies included both adult participants and pediatric populations, specifically children ages eight and older.

Researchers examined outcomes related to symptom intensity or variability, using standardized measurement scales like the Yale-Brown Obsessive Compulsive Scale (Y-BOCS). While the research includes these RCTs, certainty remains low regarding outcomes after the initial short-term study period. Comparative evidence is lacking against all other active treatments.


Evidence for Use in Social Anxiety Disorder (SAD)

The research exploring Social Anxiety Disorder examined conditions involving periods of heightened symptoms. Researchers explored this through randomized, placebo-controlled trials and maintenance studies, primarily conducted on adult outpatients.

During these studies, researchers monitored changes in social anxiety and avoidance severity scores, often measured using tools like the Liebowitz Social Anxiety Scale (LSAS). Trial reports described patterns in the measured avoidance severity scores over the acute treatment phase of about 12 weeks. What remains uncertain is the long-term impact on functional outcomes, as follow-up durations were limited beyond the intermediate period. Studies reported that some patients was associated with discontinuing the research more frequently than placebo/comparators.


Evidence in Special Populations and Uncertainty

Research has specifically examined the agent in some special populations. Research included pediatric patients (children and adolescents) as part of the trials conducted for Obsessive-Compulsive Disorder.

For Major Depressive Disorder, evidence includes systematic reviews and meta-analyses showing measured outcomes that appeared to be comparable when the drug was evaluated against other active treatments. However, comparative evidence is lacking to firmly establish whether measured outcomes differed significantly from many other available treatments.

Evidence is limited for certain groups, such as older adults, and for long-term outcomes of symptom evolution over periods exceeding one year. Findings were mixed in certain research scenarios, such as the acute COVID-19 context, where certainty remains low regarding the clinical meaning of the findings.

Key Studies & References

  1. Fluvoxamine maleate tablet, film coated - DailyMed - NIH (Regulatory/Monograph)
  2. Fluvoxamine (oral route) - Mayo Clinic (General Clinical Context)

Frequently Asked Questions (FAQ)

Common questions about Fluvoxamina Generis (FAQ)

Q: What conditions is Fluvoxamina Generis officially approved to treat?

According to official regulatory bodies, Fluvoxamina Generis is primarily approved for treating Obsessive-Compulsive Disorder (OCD) and Social Anxiety Disorder (SAD). Official documentation describes its use in adults for both conditions, and in children and adolescents (age 8 and older) for OCD.


Q: Does Fluvoxamina Generis work immediately after I start taking it?

Official product information indicates that the therapeutic effects of the medicine do not appear immediately. It may take several weeks or longer for a person to feel the full intended benefit. Official documentation states that patients may need to continue the prescribed regimen even if immediate changes are not noticed.


Q: How long does it typically take for the main effects of Fluvoxamina Generis to be noticeable?

Studies and regulatory guidance suggest that it can take several weeks or longer before the main beneficial effects become noticeable. During this period, treatment is typically maintained as prescribed, even if the desired effects are not yet fully achieved.


Q: Do the common side effects of Fluvoxamina Generis go away over time?

Official information notes that certain adverse reactions, such as nausea, anxiety, or agitation, have been reported more frequently during the initial phase of treatment or following a dose increase. This pattern may suggest that some side effects lessen as treatment continues and the body adjusts to the medication.


Q: Why might Fluvoxamina Generis cause increased anxiety or agitation when first starting?

Regulatory documents indicate that adverse reactions like anxiety and agitation are sometimes reported more frequently during the initial phase of treatment. While the specific biological reason for this temporary effect is complex and relates to the medicine's initial pharmacological action, the time pattern is officially documented.


Q: What kind of sexual side effects are commonly reported with Fluvoxamina Generis?

Sexual side effects are commonly reported with this class of medication. These may include a decreased interest in sexual intercourse or drive, inability to have or keep an erection in males, and delayed or inability to have an orgasm in both males and females, as noted in adverse event reports.


Q: Can Fluvoxamina Generis affect my ability to drive or operate machinery?

Yes, regulatory warnings advise caution because this medicine may cause sleepiness (somnolence) or affect a person's ability to think clearly, react quickly, or make decisions. Official warnings state that patients should avoid driving or operating heavy machinery until they know how the medicine affects them.


Q: Is it necessary to avoid alcohol while taking Fluvoxamina Generis?

Patients are officially advised to avoid alcohol while taking Fluvoxamina Generis. Alcohol may negatively affect mood or behavior when combined with this type of medication, according to the official product information.


Q: What is Serotonin Syndrome, and what are its described warning signs?

Serotonin Syndrome is a potentially serious condition associated with high serotonin levels. Warning signs documented in official materials include agitation, hallucinations, coma, coordination problems or muscle twitching, racing heartbeat, high or low blood pressure, sweating or fever, and severe nausea, vomiting, or diarrhea. Severe nausea and vomiting are listed among symptoms that warrant contacting a healthcare provider.


Q: Is it true that Fluvoxamina Generis can interact with caffeine?

Yes, an interaction is possible because Fluvoxamina Generis inhibits an enzyme that metabolizes caffeine. This may cause caffeine side effects such as nervousness or sleeplessness to get worse due to the caffeine remaining in the body longer.


Q: Is it normal to have vivid dreams or nightmares when taking Fluvoxamina Generis?

Official regulatory documentation lists abnormal dreams as a possible side effect of Fluvoxamina Generis, though the reported incidence is not always highly frequent. This is a documented reaction in clinical trial reports.


Q: What is the likelihood of experiencing a loss of interest in sex on this medication?

A decreased interest in sexual intercourse or drive is a commonly reported sexual problem in patients taking this medication. Official adverse reaction reports indicate patients should be aware of this potential effect.


Q: Can Fluvoxamina Generis cause a change in sense of taste?

Yes, a change in sense of taste, sometimes described as taste perversion or an unusual taste, has been reported in clinical trials involving this medication and is documented in regulatory listings.


Q: Is it true that Fluvoxamina Generis can lead to teeth grinding (bruxism)?

Regulatory documents include reports of a side effect categorized as 'Tooth Disorder' in clinical trials. While the specific term 'bruxism' (teeth grinding) may not be explicitly listed, this category indicates potential dental or oral issues.


Q: What symptoms might indicate a low blood sodium level while taking this medicine?

Low blood sodium levels, or hyponatremia, are a documented risk, especially in older adults. Symptoms noted in official guides include headache, weakness or feeling unsteady, confusion, and problems concentrating or with memory.


Q: Why do some people feel more emotional or irritable when they first start the medicine?

Official warnings note that irritability, agitation, or a clinical worsening of symptoms have been reported when patients begin treatment or change dosage. These emotional shifts are documented patterns that may occur while the body is adjusting to the medication.


Q: Does Fluvoxamina Generis interact with common cold or flu medications?

Yes, there are potential interactions. Regulatory documents caution that co-administration with dextromethorphan (a common cough suppressant) can increase the risk of Serotonin Syndrome. Additionally, sympathomimetic agents found in some decongestants are suggested to be used with caution.


Q: Can taking Fluvoxamina Generis cause difficulties with urination?

Yes, difficulty with urination, also described as trouble with urinating or urinary frequency, is listed in regulatory documentation as a less common side effect.


Q: Can Fluvoxamina Generis cause vision-related issues like angle-closure glaucoma?

Official warnings note that the medication can cause mild pupillary dilation (widening of the pupil). In individuals susceptible to it, this dilation may potentially lead to an episode of angle-closure glaucoma, which is a serious eye condition.


Q: How often do I need follow-up appointments when starting Fluvoxamina Generis?

Official patient guides emphasize that patients should keep all follow-up appointments with their healthcare provider. Maintaining close contact and contacting the provider between visits is suggested if new or concerning symptoms arise, especially during the first few weeks of treatment or after a dose change.


Q: How does Fluvoxamina Generis affect patients with a history of bipolar disorder?

Fluvoxamina Generis is not approved for use in treating bipolar depression. Regulatory warnings state that patients with a history of bipolar disorder should be closely monitored because the medicine carries a risk of activating mania or hypomania.


Q: What is the described risk of activating mania or hypomania with this drug?

Official warnings confirm a risk of activating mania or hypomania in patients treated with this drug. Regulatory agencies suggest that healthcare providers should screen patients for a history of bipolar disorder prior to initiating treatment.


Q: What should I look out for if Fluvoxamina Generis is causing gastrointestinal issues like nausea or vomiting?

While common side effects include nausea, dyspepsia (indigestion), and abdominal pain, the official guidance emphasizes watching for signs of Serotonin Syndrome. Severe nausea and vomiting, especially when combined with other symptoms like agitation or fever, are documented as conditions that warrant contacting a healthcare provider.


Q: Does Fluvoxamina Generis have a 'Black Box Warning' in official documents?

Official regulatory labeling includes a prominent warning regarding the risk of suicidal ideation and behavior (suicidality) in children, adolescents, and young adults up to age 24. This warning is consistent with the class-wide warning required for all selective serotonin reuptake inhibitors (SSRIs).

How should Fluvoxamina Generis be stored and disposed of?

Official Storage and Handling Requirements

Fluvoxamine Generis must be stored according to regulatory specifications to ensure product stability. The required storage environment is Controlled Room Temperature, typically between 59 F and 86 F (15 C to 30 C). The medication must be actively protected from high temperatures, freezing, and high humidity (dampness). Official labeling requires the container to be kept closed tightly to prevent environmental exposure.

Storage Context Regulatory Mandate
Temperature Controlled Room Temperature (59 F to 86 F)
Protection Keep away from high heat, freezing, and dampness.
Child Safety Store out of the sight and reach of children.

Disposal Requirements

Unused or outdated Fluvoxamine must be discarded properly as directed by a healthcare professional. Environmental disposal instructions prohibit flushing the product into the sanitary sewer system or surface water, emphasizing that it must be managed as pharmaceutical waste according to applicable local regulations.

Attention! Always consult to a doctor or pharmacist before using pills or medicines.

Available in countries:

Equivalent of Fluvoxamina Generis found in:

A-Z Index: