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Prescription medication · Selective Serotonin Reuptake Inhibitor (SSRI)

fluvoxamine

Also sold as Luvox. Fluvoxamine is used to treat obsessive compulsive disorder (OCD).

Data updated 2026-05-15

2,289
FDA reportsLightly reported
40
InteractionsMany interactions
$5.12
Generic price (NADAC)

What the data shows

fluvoxamine (Luvox) is a prescription Selective Serotonin Reuptake Inhibitor (SSRI), among the least-reported drugs the FDA tracks (2,289 FDA reports), with 40 documented drug interactions.

Reporting volume reflects how widely a drug is used and studied, not how dangerous it is, a FAERS report documents a temporal association, never proof of cause.

fluvoxamine (Luvox) is a prescription Selective Serotonin Reuptake Inhibitor (SSRI). Fluvoxamine is used to treat obsessive compulsive disorder (OCD).

Fluvoxamine is a medicine that can help treat obsessive compulsive disorder (OCD). It belongs to a class of drugs called selective serotonin reuptake inhibitors (SSRIs).

Drug Pricing (NADAC)

Generic Price

$5.12/unit

Generic Available

Yes (9 manufacturers)

Pricing data from NADAC (CMS), effective December 18, 2024. Compare all drug costs →

View Alternatives → Compare with Another Drug → Full Side Effects Report →

What it does

Fluvoxamine is used to treat obsessive compulsive disorder (OCD).

Common side effects

Abnormal ejaculation, Loss of appetite, Problems having an orgasm

Key warnings

Antidepressants may increase the risk of suicidal thoughts or actions in children, teenagers, and young adults.

The sections below are summarized in plain English from fluvoxamine's FDA-approved prescribing information. They describe what the official label says, and are not personal medical advice.

How It Works

Fluvoxamine works by increasing the amount of serotonin in your brain. Serotonin is a chemical that helps regulate mood. By increasing serotonin, fluvoxamine can help reduce the symptoms of OCD.

How to Take It

Take fluvoxamine at bedtime. The usual starting dose for adults is 100 mg. Your doctor may increase the dose by 50 mg each week, up to a maximum of 300 mg per day. Do not crush or chew the capsules.

This is a plain-language summary of fluvoxamine's FDA labeling, not individualized dosing advice. Ask a pharmacist or prescriber before changing how you take this medication.

Pregnancy & Breastfeeding

Tell your doctor if you are pregnant or plan to become pregnant. Fluvoxamine may cause problems for the baby if taken during pregnancy. Fluvoxamine can pass into breast milk and may harm a nursing baby.

This is a plain-language summary of fluvoxamine's FDA labeling, not individualized advice. Ask a pharmacist or prescriber about pregnancy or breastfeeding on this medication.

Missed Dose

If you miss a dose, take it as soon as you remember. If it is almost time for your next dose, skip the missed dose and continue with your regular schedule.

This is a plain-language summary of fluvoxamine's FDA labeling, not individualized advice. Ask a pharmacist or prescriber what to do about your specific missed dose.

Storage

Store fluvoxamine at room temperature, away from moisture and heat.

Side Effects (from patient reports)

Based on 2,289 FDA adverse event reports.

Most-reported reactions

Adverse reactions in FAERS for fluvoxamine, by number of reports

reports

What this shows Bars show how often each reaction was reported, not how likely it is to happen, a report records a temporal association, never proof that the drug caused it.

Source FDA Adverse Event Reporting System (FAERS) As of 2025

Reports over time

Adverse-event reports filed for fluvoxamine each year to the FDA Adverse Event Reporting System (FAERS).

050100150200250300 20042007201020132016201920222025 253

Year-to-year volume tracks usage, prescribing, and scrutiny, not a change in per-patient risk. Source: FDA FAERS.

Where fluvoxamine sits

fluvoxamine has more FDA adverse-event reports than 15% of the drugs FAERS tracks. A high position reflects how widely a drug is used and watched, not how dangerous it is.

fewest reports most reports

Percentile across all drugs PlainMeds tracks by FAERS report volume. The dot is fluvoxamine; the line is the median (50th percentile).

FDA Adverse Event Report Analysis

Detailed analysis of 2,289 reports from the FDA Adverse Event Reporting System (FAERS). Reports span 2004–2025.

Total Reports

2,289

Reports Mentioning Death

254

11.1% of reports — not proof of cause

Hospitalization Reports

876

Top Indication

Product Used For Unknown Indication

Gender Distribution

Female 1,216 (56%)
Male 935 (43%)

Age Distribution

0–17 160
18–44 643
45–64 444
65–74 213
75+ 134

Most Reported Adverse Reactions (FAERS)

# Reaction Reports
1 DRUG INTERACTION 215
3 NAUSEA 117
4 SOMNOLENCE 114
5 ANXIETY 103
6 SUICIDAL IDEATION 96
7 DEPRESSION 93
8 DIZZINESS 87
9 FATIGUE 86
10 HEADACHE 86
11 INSOMNIA 83
12 SEROTONIN SYNDROME 81
13 PYREXIA 80
14 CONDITION AGGRAVATED 79
15 SUICIDE ATTEMPT 77
16 TREMOR 77

Reactions in Death Reports

COMPLETED SUICIDE 68
TOXICITY TO VARIOUS AGENTS 42
DEATH 31
DRUG INTERACTION 29
CARDIO-RESPIRATORY ARREST 24
INTENTIONAL OVERDOSE 19
OVERDOSE 19
DRUG TOXICITY 17
PULMONARY OEDEMA 14
CARDIAC ARREST 13

Reactions in Hospitalization Reports

DRUG INTERACTION 118
SUICIDAL IDEATION 59
SUICIDE ATTEMPT 58
SEROTONIN SYNDROME 47
ANXIETY 45
PYREXIA 45
CONDITION AGGRAVATED 43
DEPRESSION 42
NAUSEA 42
SOMNOLENCE 40

Source: FDA FAERS (Adverse Event Reporting System) FDA FAERS (Adverse Event Reporting System) Reports are voluntary and do not establish causation

Serious Warnings

Antidepressants may increase the risk of suicidal thoughts or actions in children, teenagers, and young adults. Tell your doctor right away if you have any sudden changes in mood, behavior, thoughts, or feelings, especially if they are new, get worse, or worry you. Watch for suicidal thoughts or actions. Families and caregivers should also be aware of these risks.

Known Drug Interactions

( 7.2 , 12.3 ) 7.1 Strong CYP1A2 Inhibitors Concomitant use of tizanidine with strong cytochrome P450 1A2 (CYP1A2) inhibitors (e.g., fluvoxamine, ciprofloxacin) is contraindicated.

Mechanism: Fluvoxamine blocks the enzyme that normally clears tizanidine from your body. This leads to much higher amounts of tizanidine in your blood than intended.

What to do: This combination should not be used. Your doctor will need to change one of your medications to a safer option.

moderate lithium

Lithium: As with other serotonergic drugs, lithium may enhance the serotonergic effects of fluvoxamine and, therefore, the combination should be used with caution. Seizures have been reported with the coadministration of immediate-release fluvoxamine maleate tablets and lithium.

Mechanism: Both drugs affect a brain chemical called serotonin, and taking them together can cause too much serotonin activity or even seizures.

What to do: Use this combination with caution and watch for signs of serious side effects like seizures.

moderate phenelzine

Drug Interactions In patients receiving nonselective monoamine oxidase (MAO) inhibitors in combination with serotoninergic agents (e.g., dexfenfluramine, fluoxetine, fluvoxamine, paroxetine, sertraline, citalopram, venlafaxine) there have been reports of serious, sometimes fatal, reactions.

Mechanism: Both drugs increase the amount of serotonin in your brain, which can cause a very dangerous and life-threatening reaction.

What to do: Do not use these medicines together because the combination can be fatal.

moderate tasimelteon

7 DRUG INTERACTIONS Strong CYP1A2 inhibitors (e.g., fluvoxamine): Avoid use of tasimelteon in combination with strong CYP1A2 inhibitors because of increased exposure ( 7.1 , 12.3 ) Strong CYP3A4 inducers (e.g., rifampin): Avoid use of tasimelteon in combination with rifampin or other CYP3A4 inducers, because of decreased exposure ( 7.2 , 12.3 ) 7.1 Strong CYP1A2 Inhibitors (e.g., fluvoxamine) Avoid use of tasimelteon in combination with fluvoxamine or other strong CYP1A2 inhibitors because of a potentially large increase in tasimelteon exposure and greater risk of adverse reactions [see...

Mechanism: Fluvoxamine blocks the enzyme that normally breaks down tasimelteon. This causes tasimelteon to build up in your body, which increases the risk of side effects.

What to do: Do not take these two medications at the same time. Your doctor should find an alternative treatment to avoid high drug levels.

Propranolol or Metoprolol: Reduce dose if coadministered with fluvoxamine and titrate more cautiously ( 7.3 ) . One case of bradycardia and hypotension and a second case of orthostatic hypotension have been reported with the coadministration of immediate-release fluvoxamine maleate tablets and metoprolol. If propranolol or metoprolol is coadministered with fluvoxamine maleate extended-release capsules, a reduction in the initial beta-blocker dose and more cautious dose titration are recommended.

Mechanism: Fluvoxamine slows down how your body processes metoprolol. This can cause the heart medicine to build up, leading to a dangerously slow heart rate or low blood pressure.

What to do: Your doctor may need to lower your dose of metoprolol and monitor your heart rate and blood pressure very closely.

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This is a plain-language summary of interactions documented in FDA labeling, not individualized advice. Ask a pharmacist or prescriber before combining medications.

Common Questions

Can I stop taking fluvoxamine suddenly?
No, it is not recommended to stop fluvoxamine suddenly. Talk to your doctor about slowly decreasing your dose to avoid withdrawal symptoms.
Can I drink alcohol while taking fluvoxamine?
It is best to avoid alcohol while taking fluvoxamine, as it can worsen side effects like drowsiness.
How long does it take for fluvoxamine to start working?
It may take several weeks for you to notice the full effects of fluvoxamine.
What should I do if I experience side effects?
Talk to your doctor about any side effects you experience. They may be able to adjust your dose or recommend ways to manage the side effects.
Can I take other medications with fluvoxamine?
Tell your doctor about all the medications you take, including over-the-counter drugs and supplements, as some medications can interact with fluvoxamine.
What if the lowest dose is still too strong for my child?
The lowest available dose of fluvoxamine may not be right for some children. Talk to your doctor about other options.
How often will my doctor check on me while I'm taking this?
Your doctor should check on you regularly to see if the medicine is still helping and to watch for any problems.
What if I have liver problems?
If you have liver problems, you may need a lower dose of fluvoxamine.
Can smoking affect this medicine?
Yes, smoking can change how this medicine works. Tell your doctor if you smoke.
What if I'm over 65?
If you are older, your doctor may start you on a lower dose and increase it slowly.
What are the common side effects of fluvoxamine?
The most commonly reported side effects of fluvoxamine include Abnormal ejaculation, Loss of appetite, Problems having an orgasm, Weakness, Diarrhea. Based on 2,289 FDA adverse event reports. Always consult your healthcare provider about potential side effects.
Does fluvoxamine interact with other medications?
Yes, fluvoxamine has 40 known drug interactions. Notable interactions include tizanidine, lithium, phenelzine. Always inform your doctor about all medications you are taking.
What drug class is fluvoxamine?
fluvoxamine belongs to the Selective Serotonin Reuptake Inhibitor (SSRI) drug class. It requires a prescription (Rx). Fluvoxamine is used to treat obsessive compulsive disorder (OCD).
Is fluvoxamine safe during pregnancy?
Tell your doctor if you are pregnant or plan to become pregnant. Fluvoxamine may cause problems for the baby if taken during pregnancy. Always consult your healthcare provider before using any medication during pregnancy or breastfeeding.

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What the FDA Data Shows for fluvoxamine

The FDA label for fluvoxamine (sold under brand names such as Luvox) classifies it as a prescription-only medication in the Selective Serotonin Reuptake Inhibitor (SSRI) class. Fluvoxamine is used to treat obsessive compulsive disorder (OCD). Official labeling lists 9 commonly reported side effects, including Abnormal ejaculation, Loss of appetite, Problems having an orgasm.

Post-market surveillance from the FDA Adverse Event Reporting System (FAERS) captures real-world experience. For this drug, FAERS contains 2,289 voluntary reports. The database also lists 40 documented drug interactions derived from FDA labeling, with the top-flagged interaction rated major severity. NADAC pricing from CMS shows a generic unit cost of $5.12.

Report counts do not establish causation, a FAERS entry documents a temporal association, not proof that the drug produced the outcome. Widely prescribed medications naturally accumulate more reports than niche therapies, so raw totals must be interpreted alongside total exposure. Shortage status, recall history, and patent information further shape supply and switching decisions. This page summarizes public FDA data for educational purposes only and is not a substitute for professional medical advice, always consult a licensed healthcare provider before starting, stopping, or changing any medication.

Data Sources

Drug labeling: FDA Drug Labels (SPL/DailyMed). Adverse events: FDA Adverse Event Reporting System (FAERS). Pricing: CMS National Average Drug Acquisition Cost (NADAC).

FAERS reports are voluntary and do not establish causation. Drug interactions are derived from FDA labeling and clinical references. Always consult a healthcare professional before making medication decisions.

Last updated: November 4, 2025

Data currency: FDA FAERS adverse-event reports through 2025, CMS NADAC acquisition-cost pricing effective December 2024, compiled and last refreshed May 2026. See our methodology for per-source dates and refresh cadence. Spot a figure that looks wrong? Report a correction.

All federal data sources used on this page