Faverin

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Faverin

Medically reviewed

Rosario Oropesa

Last updated on 22/12/2025

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 Faverin

Quick Facts

Property Description
Active ingredient Fluvoxamine maleate
Form Oral, Film-coated Tablet
Pharmacological class Selective Serotonin Reuptake Inhibitor (SSRI)
Origin Synthetic compound
Single/Combination Single-ingredient product

What is Faverin and What Type of Drug is it Classified As?

Faverin is a prescription-only medicinal entity whose therapeutic action is derived from its sole active ingredient, Fluvoxamine maleate. It is classified as an antidepressant and belongs to the group of psychotropic medication, which are chemically designed to influence nervous system function. The core of Faverin's classification lies in its membership in the group known as Selective Serotonin Reuptake Inhibitors (SSRIs).

Fluvoxamine acts as a potent and selective inhibitor of neuronal serotonin reuptake, a function that is clinically recognized for its effectiveness in managing conditions characterized by chronic psychological distress. This specific focus on the serotonin system distinguishes it from older, less selective pharmacological classes.


Fluvoxamine: Composition, Origin, and Pharmaceutical Form

The Fluvoxamine compound is identified as a synthetic compound, meaning it is manufactured rather than naturally derived. It is consistently produced as a single-ingredient product, containing only Fluvoxamine maleate as the pharmacologically active substance. Faverin is supplied as an oral, film-coated tablet, representing a solid dosage form intended for oral administration and systemic absorption.

This specific formulation, a film-coated tablet, is designed to provide ease of swallowing and contribute to product stability. Fluvoxamine exhibits high oral bioavailability, confirming its efficient absorption into the body when taken by mouth. The final product is composed of the active substance alongside various pharmaceutical excipients necessary for structure and controlled delivery of the Fluvoxamine throughout the body.


General Purpose of Fluvoxamine's Selective Action

The general therapeutic purpose of Faverin is to support and restore emotional equilibrium by influencing chemical balance in the central nervous system. Its action as an SSRI directly enhances serotonin neurotransmission, a vital process for regulating mood, emotion, and behavior. This selective inhibition of serotonin reuptake increases the amount of available serotonin in the synaptic space, allowing for enhanced communication between nerve cells. This precise physiological effect generally helps to alleviate symptoms of excessive psychological distress, supporting individuals in maintaining focus and stability, which is the foundational therapeutic benefit provided by the Fluvoxamine entity.

Regulatory References

  1. MedlinePlus Drug Information

What side effects are possible with Faverin?

Possible Side Effects and Safety Information

Fluvoxamine maleate, the active ingredient in Faverin, has an officially documented safety profile, with potential adverse reactions systematically classified by frequency and the physiological system affected, based on regulatory data.

Reactions categorized as Very Common (occurring in 10% or more of individuals) include effects on the central nervous system such as somnolence, insomnia, headache, and dizziness, alongside the gastrointestinal effect of nausea.

Common reactions (occurring in ge 1% to <10%) span several system-organ classes, including psychiatric disturbances like agitation and anxiety, as well as other physical effects such as tremor, constipation, diarrhoea, and dry mouth. Cardiovascular effects like palpitations and tachycardia are also listed in this category.

Serious Adverse Reactions documented in regulatory materials include the potential for Serotonin syndrome and Neuroleptic Malignant Syndrome-like events, which are critical neurological conditions. The risk of suicidal thinking and behaviour is explicitly noted in official labeling, particularly at the initiation of therapy and in the pediatric and young adult population. Convulsions are listed as a Rare reaction.

The safety profile also notes exposure-related patterns. For instance, an initial increase in anxiety and agitation may be observed early in treatment. Abrupt discontinuation of the medicine commonly leads to withdrawal symptoms. A mandatory constraint is that Fluvoxamine is contraindicated in individuals with known hypersensitivity to the active substance or its excipients.

Overdose and Emergency Response

Acute Fluvoxamine overdose may present with documented manifestations across several physiological systems. Common signs include central nervous system effects such as somnolence, dizziness, tremor, and gastrointestinal upset including nausea and vomiting. More severe manifestations, as described in regulatory documents, include convulsions (seizures), coma, and significant respiratory difficulty. Cardiovascular changes like sinus tachycardia (fast heart rate) or bradycardia (slow heart rate) and hypotension have also been reported. The risk of severe outcomes, including Serotonin Syndrome, is noted, particularly with co-ingestion of other serotonergic agents or alcohol.


When to Seek Immediate Medical Help

In the event of a suspected overdose, regulatory authorities mandate that individuals seek immediate medical attention. Emergency services must be contacted immediately if the person is unresponsive, has collapsed, or is experiencing a seizure or trouble breathing. It is officially stated that no specific antidote is known for Fluvoxamine. Management is therefore limited to symptomatic and supportive treatment. This may include monitoring of cardiac function (ECG) and the consideration of procedures such as activated charcoal or gastric lavage in the early stages to limit absorption.

Therapeutic Uses of Faverin

What Faverin Treats: Main Uses and Benefits

The therapeutic application of Faverin (Fluvoxamine) focuses on specific symptom clusters within the neuropsychiatric domain, and is commonly used for the management of Major Depressive Episode and Obsessive-Compulsive Disorder (OCD).

The medication is generally utilized for managing the challenging, chronic manifestations of conditions characterized by recurrent, unwanted obsessions and time-consuming, ritualized compulsions. It is also relevant when symptoms cluster into patterns of excessive anxiety and persistent low mood, such as those seen in Social Anxiety Disorder and Major Depressive Disorder.

“Faverin is applied in clinical settings marked by increased discomfort or tension, relevant when supportive symptom management is appropriate.”

The key therapeutic benefit is providing support that helps ease the overall symptom load of these severe, disruptive symptoms, particularly during episodes of heightened discomfort. This provides supportive relief when symptoms interfere with routine activities and may help patients cope more steadily with difficult episodes. It is relevant across therapeutic areas where short-term symptom management is appropriate, used when symptoms interfere with daily stability, and may also assist with core physical symptoms related to systemic imbalance.


Quick Fact: Provides symptomatic support for Obsessive Thoughts and Compulsive Urges


Regulatory References

  1. European Medicines Agency Scientific Conclusions

Eligibility and Restrictions for Use

Eligibility Map: Official Regulatory Information

The eligibility profile for Faverin (Fluvoxamine) is defined by mandatory population exclusions and specific conditions documented in regulatory labeling.

Contraindicated Populations

Fluvoxamine is absolutely contraindicated in patients with a history of hypersensitivity to the drug. It must not be used concomitantly with Monoamine Oxidase Inhibitors (MAOIs) or within 14 days of stopping an MAOI. Co-administration is also prohibited with specific medications, including Tizanidine, Pimozide, Ramelteon, Thioridazine, and Alosetron, as stated in the official Prescribing Information.

Age-Group and Condition Restrictions

The medicine is approved for adults for Major Depressive Episode and Obsessive-Compulsive Disorder (OCD), but pediatric use is strictly limited. Use is not established for children under 8 years of age. For those aged 8 to 17 years, use is approved only for OCD.

Patients with unstable epilepsy are advised to avoid use. Individuals with hepatic impairment are eligible but require conditional use, as decreased drug clearance is expected. Restricted use also applies to late-term pregnant patients due to documented risks of neonatal complications, and to nursing mothers as the drug is secreted in human breast milk.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The interaction profile of Fluvoxamine (Faverin) is primarily characterized by its potent inhibition of multiple Cytochrome P450 (CYP) enzymes, particularly CYP1A2 and CYP2C19. This inhibition can significantly raise the plasma levels of co-administered medicines metabolized by these enzymes, necessitating dose adjustments or leading to contraindications.

Contraindicated Combinations

Co-administration is strictly contraindicated with specific narrow therapeutic index drugs and other agents that may cause serious adverse reactions. This includes Monoamine Oxidase Inhibitors (MAOIs), requiring a two-week washout period when switching between treatments. Other contraindicated medicines include Tizanidine, Pimozide, Alosetron, and Ramelteon, due to the risk of toxicity from increased plasma concentrations.

Combinations Requiring Caution

Combining Fluvoxamine with other serotonergic agents (e.g., Triptans, SSRIs, Lithium) requires caution due to the documented risk of Serotonin Syndrome. Drugs that interfere with blood clotting, such as NSAIDs, Aspirin, and Warfarin, may increase the risk of bleeding. Medicines like Clozapine, Mexiletine, and some Tricyclic Antidepressants that are CYP substrates may require reduced dosage when co-administered. The consumption of alcohol is advised to be avoided, and intake of caffeine should be minimized.

Mechanism of Action

How Faverin Works — Mechanism of Action

Selective Serotonin Reuptake Inhibition (SERT)

Faverin's primary action is the selective inhibition of the serotonin transporter (SERT), the protein responsible for clearing serotonin (5-HT) from the synaptic cleft. By blocking SERT, the drug prevents the reuptake of 5-HT into the presynaptic neuron, causing an increase in the concentration and duration of serotonin available to stimulate postsynaptic receptors. This sustained increase in serotonergic activity induces long-term neuroadaptive changes within neural circuits that modulate dysregulated signaling patterns in the central nervous system.

Dual Action via Sigma-1 Receptor (sigma1R) Agonism

Faverin also acts as an agonist at the intracellular Sigma-1 Receptor (sigma1R), a protein chaperone located primarily at the mitochondrial-associated endoplasmic reticulum membrane. Activation of sigma1R is separate from the serotonin mechanism and is involved in modulating cellular stress responses, regulating calcium flux, and influencing inflammatory pathways (e.g., NF-kappa B signaling) within neurons. This sigma1R agonism impacts cellular pathways associated with neuroprotection and neuroplasticity, contributing to the modulation of overall neuronal function in the central nervous system.

Dosage and Administration Information

How to Use Faverin (Fluvoxamine)

This guide outlines the proper administration and dosing instructions for Faverin (fluvoxamine maleate).

Faverin is administered orally and is available as immediate-release (IR) film-coated tablets (e.g., 25 mg, 50 mg, 100 mg) and extended-release (ER) capsules.

Administration Scope Instructions
Starting Dose (Adult) Typically 50 mg once daily (q.d.), often at bedtime.
Dose Titration Dose adjustments are made gradually, usually in 50 mg increments every 4 to 7 days, as needed and tolerated.
Maximum Daily Dose (Adult) The total daily dose should not exceed 300 mg.
With/Without Food May be taken with or without food.

Procedural Guidelines

  1. Swallowing: Immediate-release tablets should be swallowed whole with water; if scored, they may be split. Extended-release capsules must be swallowed whole and must not be crushed, broken, or chewed.
  2. Divided Dosing: For immediate-release tablets, doses exceeding 150 mg per day must be divided and taken in two or three administrations, with the larger portion typically given at bedtime.
  3. Special Populations: A lower starting dose and slower titration are recommended for elderly patients and those with hepatic (liver) impairment.
  4. Discontinuation: To minimize potential withdrawal symptoms, Faverin must be discontinued gradually. The dose should be reduced over a period of at least one to two weeks, as directed by a healthcare provider.

Standard protocols establish requirements for titration, dose division, and safe cessation of the medicine.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Faverin (Fluvoxamine)

Evidence for Use in Obsessive-Compulsive Disorder (OCD)

Research has been conducted for Fluvoxamine in Obsessive-Compulsive Disorder (OCD), primarily using short-term, randomized controlled trials (RCTs). These studies involved comparing the medication against an inactive placebo or, in some cases, against an older active treatment. Trials primarily included adults and also explored pediatric patients aged eight years and older. The central research outcome was measuring symptom changes using standardized tools like the Yale-Brown Obsessive-Compulsive Scale (Y-BOCS), which is used in research exploring how symptoms change over time related to compulsive urges and obsessive thoughts.

Studies reported that the patterns of symptom change measured in the Fluvoxamine groups were often different from those observed in the placebo groups during the initial 10- to 12-week treatment period. Systematic reviews and meta-analyses of this evidence compile findings from multiple trials.

Evidence for Major Depressive Episodes and Social Anxiety

Fluvoxamine was studied for both Major Depressive Episodes (MDE) and Social Anxiety Disorder (SAD). For MDE, research involved short-term RCTs, often lasting six to eight weeks, which included comparisons to placebo and other common antidepressants. Analyses describe that the measured changes in Fluvoxamine groups were similar to the patterns observed with other common antidepressants included in the comparisons.

The research is also supported by randomized, placebo-controlled trials primarily including adult outpatients with Social Anxiety Disorder. These studies measured outcomes reflecting daily functioning and changes in specific anxiety scales over periods of about 12 weeks.

Key Limitations and Uncertainties in the Research

A key limitation noted in the research is that follow-up duration in many core randomized trials was short. Long-term effects are not fully established based on extended randomized, placebo-controlled trials, meaning there is limited information for outcomes that span multiple years. Furthermore, data for certain specific groups, such as individuals with certain comorbid conditions or the oldest adult populations, remain insufficient.

Frequently Asked Questions (FAQ)

Common questions about Faverin (FAQ)

Q: What should I do if I miss a dose of Faverin?

Regulatory documents typically provide instructions for managing a missed dose. The general guidance is to take the dose as soon as it is remembered. However, if it is nearly time for the next scheduled dose, it is typically advised to skip the missed dose and resume the regular schedule. Two doses should not be taken together to make up for a missed one.

Q: Is it safe to take Faverin if I'm pregnant or breastfeeding?

Official product information states that Fluvoxamine is known to be secreted into human breast milk. For pregnant individuals, documented risks include the potential for complications, such as persistent pulmonary hypertension of the newborn (PPHN), when exposure occurs late in the third trimester. The decision to use this medication during pregnancy or breastfeeding requires a careful review of the risks and benefits, which should be done in consultation with a healthcare provider.

Q: How long does it typically take for Faverin to start working or for me to feel a difference?

Official product information indicates that the medicine typically reaches steady-state plasma concentrations (a consistent level in the bloodstream) within approximately 5 to 10 days after beginning treatment. However, the time required to feel a noticeable clinical difference or full therapeutic effect on symptoms may be longer, often requiring several weeks to months of consistent treatment.

Q: Is Faverin a controlled substance?

According to official regulatory labeling, Fluvoxamine (the active ingredient in Faverin) is not classified as a controlled substance under the U.S. Controlled Substances Act.

Q: Can Faverin be used for people under the age of 8?

Official product information states that Faverin is not approved for use in children younger than 8 years of age. For pediatric patients between 8 and 17 years old, the drug's approved use is strictly limited to the treatment of Obsessive-Compulsive Disorder (OCD).

How should Faverin be stored and disposed of?

How to Store and Dispose of Faverin (Fluvoxamine Maleate)

Faverin tablets must be stored according to specific regulatory requirements to maintain product stability and effectiveness.

Official Storage Conditions

Requirement Condition
Maximum Temperature Must not be stored above 25 C
Prohibited Environment Keep from freezing and away from heat
Protection Must be protected from light and moisture
Container Rule Store the medicine in a closed container
Child Safety Keep out of the sight and reach of children

Disposal Instructions

Expired or unused Faverin must be managed as pharmaceutical waste. Official instructions state that unused product should be returned to a pharmacist for disposal or handled according to a healthcare professional's advice. Disposal must comply with all local regulations.

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

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