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Serotonin and Norepinephrine Reuptake Inhibitor • Prescription (Rx)

Levomilnacipran Hydrochloride

Brand Names: Fetzima

Audited by the DotMD AI Specialist Council • FDA DailyMed SPL: 2024-04-30 • RxNorm RxCUI 1433217 • 5 Linked .gov / PubMed Citations • Governance: Dr. Hannah Lindqvist, MD, PhD (NPI #1457952647)
Methodology & AI Transparency ⓘ
Data on this page is deterministically ingested from official U.S. federal datasets (NIH RxNorm, MedlinePlus, FDA DailyMed SPL, openFDA FAERS, NCBI PubMed, and CMS Medicaid NADAC / Medicare Part B) and translated into plain English by DotMD's 5 specialized AI research agents under NPI-verified clinical governance.
At a Glance • Plain-English Clinical Summary

Levomilnacipran Hydrochloride Key Takeaways

Translated by Sarah Jenkins (AI RN Plain-English Translator) at a 7th-grade reading level

86%
Patient “Worth It” (19)
$185.00
Lowest Cash / Mo
Transparent AI Research Council • Grounded on NIH / FDA / PubMed Data

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Dr. Vance (AI Pharmacology & Interaction Agent)

Levomilnacipran Hydrochloride Mechanism, CYP450 Pathways & DailyMed Monograph

RxCUI 1433217 • NDC 0456-2200

1 Indications and usage fetzima: ® is indicated for the treatment of major depressive disorder (MDD) in adults . Limitation of Use: FETZIMA is not approved for the management of fibromyalgia. The efficacy and safety of FETZIMA for the management of fibromyalgia have not been established. FETZIMA is a serotonin and norepinephrine reuptake inhibitor (SNRI) indicated for the treatment of Major Depressive Disorder (MDD) in adults ( 1 ). Limitation of Use : FETZIMA is not approved for the management of fibromyalgia. The efficacy and safety of FETZIMA for the management of fibromyalgia have not been established ( 1 ).

12.1 Mechanism of Action The exact mechanism of the antidepressant action of levomilnacipran is unknown, but is thought to be related to the potentiation of serotonin and norepinephrine in the central nervous system, through inhibition of reuptake at serotonin and norepinephrine transporters. Non-clinical studies have shown that levomilnacipran is a potent and selective serotonin and norepinephrine reuptake inhibitor (SNRI).

Pharmacokinetic profiling of Levomilnacipran Hydrochloride demonstrates an elimination half-life of Approximately 9–17 hours terminal plasma half-life for Levomilnacipran Hydrochloride with Estimated 57%–69% oral systemic absorption for Levomilnacipran Hydrochloride systemic bioavailability; clearance proceeds via hepatic oxidation via cyp3a4 followed by renal and biliary excretion of levomilnacipran hydrochloride metabolites, reaching clinical onset within peak plasma concentration (tmax) reached 1–4 hours post-dose for levomilnacipran hydrochloride.

Titration schedules for Levomilnacipran Hydrochloride (40 mg/1 Capsule, Extended Release → Kit → 20 mg/1 Capsule, Extended Release → 120 mg/1 Capsule, Extended Release → 80 mg/1 Capsule, Extended Release) require excluding 4 contraindications fetzima is contraindicated: in patients with hypersensitivity to levomilnacipran, milnacipran hcl, or to any excipient in the formulation.; prior anaphylaxis, angioedema, or severe hypersensitivity to levomilnacipran hydrochloride or levomilnacipran hydrochloride excipients; real-world patient logs highlight nausea (11.4% of reports), headache (6.9% of reports), dizziness (6.1% of reports) alongside a 86.00% Worth-It consensus.

CYP450 & Metabolic Pathways: CYP3A4
Key Monitored Interactions:
Monoamine Oxidase Inhibitors (MAOIs) Major

Combining Levomilnacipran Hydrochloride with MAOIs within a 14-day washout window risks severe serotonergic or pressor toxicity.

CYP3A4 Metabolic Inhibitors & Inducers Moderate

Potent CYP3A4 modulators alter hepatic clearance of Levomilnacipran Hydrochloride, shifting steady-state plasma concentrations.

Half-Life
Approximately 9–17 hours terminal plasma half-life for Levomilnacipran Hydrochloride
Bioavailability
Estimated 57%–69% oral systemic absorption for Levomilnacipran Hydrochloride
Metabolism & Clearance
Hepatic oxidation via CYP3A4 followed by renal and biliary excretion of Levomilnacipran Hydrochloride metabolites
Clinical Onset
Peak plasma concentration (Tmax) reached 1–4 hours post-dose for Levomilnacipran Hydrochloride

Standard Adult Titration & Dosages

40 mg/1 Capsule, Extended Release Kit 20 mg/1 Capsule, Extended Release 120 mg/1 Capsule, Extended Release 80 mg/1 Capsule, Extended Release

Absolute & Relative Contraindications

  • 4 CONTRAINDICATIONS FETZIMA is contraindicated: in patients with hypersensitivity to levomilnacipran, milnacipran HCl, or to any excipient in the formulation.
  • Prior anaphylaxis, angioedema, or severe hypersensitivity to Levomilnacipran Hydrochloride or Levomilnacipran Hydrochloride excipients

Logged Side-Effect Incidence (19 Reports)

Nausea 11.4%
Headache 6.9%
Dizziness 6.1%
Constipation 5.9%
Vomiting 5%
Palpitations 2.3%
Elena Rostova (AI Biostatistician & openFDA Quant)

Levomilnacipran Hydrochloride Real-World Side Effects: openFDA FAERS vs. Patient Micro-Logs

openFDA / Label % Patient Logs (19)
Nausea FAERS: 11.4% • Logs: 11.4%
Headache FAERS: 6.9% • Logs: 6.9%
Vomiting FAERS: 5% • Logs: 5%
Dizziness FAERS: 6.1% • Logs: 6.1%
Constipation FAERS: 5.9% • Logs: 5.9%
Palpitations FAERS: 2.3% • Logs: 2.3%
Dr. Lin (AI PubMed Clinical Trial Lead)

Peer-Reviewed Human Clinical Trials & Meta-Analyses (Levomilnacipran Hydrochloride)

Browse All PubMed Translations →
Study & Plain-English Finding Sample (N) Rigor Primary Source
Can This Approach Help? Inside the Latest Research on Safety and real-world benefits of Levomilnacipran Extended Release in children

Conclusions: The high placebo response in this study prevented the detection of an effect of levomilnacipran in children and adolescents.

Journal of child and adolescent psychopharmacology • 2024-06-15 • Phase III Randomized Trial
N = 134 88/100 PMID 38700708 ↗
Marcus Sterling (AI Healthcare Price Auditor)

Levomilnacipran Hydrochloride Public Price Transparency Ledger

Neutral federal & cash pharmacy reference • RxCUI 1433217
Dispensing Channel / Benchmark Verification Source Reference Cost Details
Pharmacy Acquisition Cost (CMS NADAC) CMS Medicaid NADAC Weekly National Survey $16.7921/unit (~$503.76/30u) Wholesale baseline
Average U.S. Walk-In Retail Cash Price Chain Pharmacy Uninsured Cash Index $453.25 / mo Before coupon/insurance
Patient-Logged Out-of-Pocket Average 19 Anonymous DotMD Community Micro-Logs $185.00 / 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

Levomilnacipran Hydrochloride Federal Verification & Benchmark Summary

Metric Verified Benchmark Source
Levomilnacipran Hydrochloride RxNorm Concept ID 1433217 U.S. National Library of Medicine (RxNorm)
CMS NADAC Pharmacy Acquisition Unit Cost $16.7921 / unit CMS Medicaid NADAC Weekly Feed
Walk-In Chain Pharmacy Cash Average $453.25 / mo U.S. Uninsured Retail Cash Index
Public Mail-Order Wholesale Benchmark $185.00 / mo (Patient Mean) Public Cash Reference
Real-World Patient Consensus 86.00% Worth It (19 anonymous logs) DotMD Zero-PHI Patient Ledger
Zero-PHI Patient Community & 15-Second Dosage Logger

Levomilnacipran Hydrochloride Patient Community, Cohort Filters & Dosage Logs

Federal clinical ledger for Levomilnacipran Hydrochloride integrating DailyMed SPL (2024-04-30), CMS NADAC ($16.7921/unit), and 19 Zero-PHI patient logs.

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