Fluoxetine
Brand Names: Prozac
Methodology & AI Transparency ⓘ
Fluoxetine Key Takeaways
Translated by Sarah Jenkins (AI RN Plain-English Translator) at a 7th-grade reading level
- 1 What it does: Fluoxetine capsules are indicated for the treatment of: Acute and maintenance treatment of Major Depressive Disorder .
- 2 Real-world patient consensus: Real-world cohort score of 87% across 19 de-identified Fluoxetine entries.
- 3 Typical cash cost range: Public pharmacy ledger: $5.37 low cash benchmark vs. $34.50 chain retail average ($0.1913/unit CMS NADAC).
- 4 Top reported side effects / signs: Leading openFDA/SPL adverse events for Fluoxetine: insomnia (6.4%), vomiting (5.7%), cutaneous rash (4%).
Ask our AI Specialists anything about Fluoxetine
Fluoxetine Mechanism, CYP450 Pathways & DailyMed Monograph
Fluoxetine capsules are indicated for the treatment of: Acute and maintenance treatment of Major Depressive Disorder . Acute and maintenance treatment of obsessions and compulsions in patients with Obsessive Compulsive Disorder (OCD) . Acute and maintenance treatment of binge-eating and vomiting behaviors in patients with moderate to severe Bulimia Nervosa . Acute treatment of Panic Disorder, with or without agoraphobia . Fluoxetine capsules and Olanzapine in Combination are indicated for the treatment of: Acute treatment of depressive episodes associated with Bipolar I Disorder.
12.1 Mechanism of Action Although the exact mechanism of fluoxetine is unknown, it is presumed to be linked to its inhibition of CNS neuronal uptake of serotonin.
Following administration (40 mg/1 Capsule), Fluoxetine achieves Oral fraction absorbed ranges from 65% to 77% (Fluoxetine 40) bioavailability and oral tmax achieved within 2 to 4 hours following fluoxetine ingestion onset, governed by a Mean elimination half-life of 7 to 15 hours across adult Fluoxetine dosing terminal half-life through biotransformed through cyp2d6 pathways with mixed urinary/fecal clearance.
Before initiating Fluoxetine at 40 mg/1 Capsule, clinical safety checklists rule out when using fluoxetine capsules and olanzapine in combination, also refer to the contraindications section of the package insert for symbyax.; serotonin syndrome and maois: do not use maois intended to treat psychiatric disorders with fluoxetine capsules or within 5 weeks of stopping treatment with fluoxetine capsules.. Logged tolerability patterns center on nausea (8.4% of reports), headache (8.1% of reports), insomnia (6.4% of reports).
Concomitant MAOI therapy potentiates hazardous biogenic amine accumulation during Fluoxetine treatment.
Systemic bioavailability and half-life of Fluoxetine respond to strong CYP2D6 enzymatic inhibition or induction.
Standard Adult Titration & Dosages
Absolute & Relative Contraindications
- When using fluoxetine capsules and olanzapine in combination, also refer to the Contraindications section of the package insert for Symbyax.
- Serotonin Syndrome and MAOIs: Do not use MAOIs intended to treat psychiatric disorders with fluoxetine capsules or within 5 weeks of stopping treatment with fluoxetine capsules.
Logged Side-Effect Incidence (19 Reports)
Fluoxetine Real-World Side Effects: openFDA FAERS vs. Patient Micro-Logs
Peer-Reviewed Human Clinical Trials & Meta-Analyses (Fluoxetine)
| Study & Plain-English Finding | Sample (N) | Rigor | Primary Source |
|---|---|---|---|
| New Insights on Comparative efficacy of antidepressant medication for adolescent depression: a: What a 12,258-Participant Study Found For symptom severity scales, agomelatine (CDRS-R: SUCRA 86.4%) and paroxetine (MADRS: SUCRA 99.9%) demonstrated the greatest efficacy. BMC psychiatry • 2025-05-10 • Meta-Analysis | N = 12,258 | 99/100 | PMID 40349006 ↗ |
| New Insights on Meta-Analysis: Dose-Response Relationship of Selective Serotonin Reuptake: What a 10,039-Participant Study Found Higher doses of SSRIs appear slightly more effective in depression. The American journal of psychiatry • 2016-02-01 • Meta-Analysis | N = 10,039 | 99/100 | PMID 26552940 ↗ |
| New Insights on Dose Escalation of Antidepressants in Unipolar: What a 272-Participant Study Found According to our meta-analytic findings, dose escalation after initial non-response to standard-dose pharmacotherapy cannot be regarded as general evidence-based treatment option in unipolar depression. Psychotherapy and psychosomatics • 2017-01-15 • Meta-Analysis | N = 272 | 97/100 | PMID 28903107 ↗ |
| New Insights on Predictors of response to pharmacotherapy in children and adolescents with: What a 599-Participant Study Found Allocation to active drugs, female sex, and early improvement may predict treatment response to pharmacotherapy among children and adolescents with psychiatric disorders. Neuropsychopharmacology reports • 2022-12-15 • Randomized Controlled Trial | N = 599 | 93/100 | PMID 36330567 ↗ |
| New Insights on Restoring TADS: RIAT reanalysis of the Treatment for Adolescents with Depression: What a 439-Participant Study Found BackgroundThe Treatment for Adolescents with Depression Study (TADS) continues to influence international clinical practice guidelines for adolescent depression.ObjectiveWe assessed TADS' effectiveness and harms through a... The International journal of risk & safety in medicine • 2025-11-15 • Phase III Randomized Trial | N = 439 | 93/100 | PMID 40421808 ↗ |
Fluoxetine Public Price Transparency Ledger
| Dispensing Channel / Benchmark | Verification Source | Reference Cost | Details |
|---|---|---|---|
| Pharmacy Acquisition Cost (CMS NADAC) | CMS Medicaid NADAC Weekly National Survey | $0.1913/unit (~$5.74/30u) | Wholesale baseline |
| Mark Cuban Cost Plus Drugs (Mail-Order Generic) | Public Wholesale Price List (NADAC + 15% + pharmacy fee) | $5.37 / mo | Formulary listing ↗ |
| Average U.S. Walk-In Retail Cash Price | Chain Pharmacy Uninsured Cash Index | $34.50 / mo | Before coupon/insurance |
| Patient-Logged Out-of-Pocket Average | 19 Anonymous DotMD Community Micro-Logs | $7.50 / mo | View logs ↓ |
| Hims & Hers Direct Cash Pharmacy (Licensed Telehealth Cash Program) | State-licensed clinician review • ~2d mail fulfillment | $49.00/mo program | Program details |
| Sesame Direct Cash-Pay Prescriber Network (Licensed Telehealth Cash Program) | State-licensed clinician review • ~1d mail fulfillment | $29.00 consult | Program details |
Fluoxetine Federal Verification & Benchmark Summary
| Metric | Verified Benchmark | Source |
|---|---|---|
| Fluoxetine RxNorm Concept ID | 310384 | U.S. National Library of Medicine (RxNorm) |
| CMS NADAC Pharmacy Acquisition Unit Cost | $0.1913 / unit | CMS Medicaid NADAC Weekly Feed |
| Walk-In Chain Pharmacy Cash Average | $34.50 / mo | U.S. Uninsured Retail Cash Index |
| Public Mail-Order Wholesale Benchmark | $5.37 / mo (Cost Plus Drugs) | Mark Cuban Cost Plus Public API |
| Real-World Patient Consensus | 87.00% Worth It (19 anonymous logs) | DotMD Zero-PHI Patient Ledger |
Fluoxetine Patient Community, Cohort Filters & Dosage Logs
Federal clinical ledger for Fluoxetine integrating DailyMed SPL (2026-04-23), CMS NADAC ($0.1913/unit), and 19 Zero-PHI patient logs.
Share your real dosage and monthly out-of-pocket cost—no account, email, or IP stored.
Filter Fluoxetine community threads and patient logs by age, biological sex, dosage, and treatment duration.