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Data updated: Mar 10, 2026

Xeomin

incobotulinumtoxinA Acetylcholine Release Inhibitors
Approved 2010-07-30

Xeomin (incobotulinumtoxinA) is an acetylcholine release inhibitor and neuromuscular blocking agent used to treat various neurological, glandular, and aesthetic conditions. It is indicated for the treatment of chronic sialorrhea in patients aged two and older, as well as upper limb spasticity in adults and pediatric patients (excluding those with cerebral palsy). The drug is also approved for adult patients to manage cervical dystonia and blepharospasm, and to temporarily improve the appearance of moderate to severe upper facial lines.

Source: FDA Label • MERZ PHARMS • Acetylcholine Release Inhibitor

How Xeomin Works

Xeomin blocks cholinergic transmission at neuromuscular and salivary neuroglandular junctions by inhibiting the release of the neurotransmitter acetylcholine. The neurotoxin binds to cholinergic nerve terminals and enters the cell, where it enzymatically cleaves SNAP25, a protein essential for acetylcholine release. By preventing this release, the drug inhibits muscle contraction and glandular secretion until impulse transmission is re-established through the formation of new nerve endings.

Source: FDA Label
8
Indications
--
Phase 3 Trials
2
Priority Reviews
15
Years on Market

Details

Status
Prescription
First Approved
2010-07-30
Routes
INJECTION
Dosage Forms
INJECTABLE

Companies

Active Ingredient: incobotulinumtoxinA

Xeomin Approval History

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What Xeomin Treats

7 indications

Xeomin is approved for 7 conditions since its original approval in 2010. These indications span multiple therapeutic areas including oncology, immunology, and more.

  • Chronic Sialorrhea
  • Upper Limb Spasticity
  • Cervical Dystonia
  • Blepharospasm
  • Glabellar Lines
  • Horizontal Forehead Lines
  • Lateral Canthal Lines
Source: FDA Label

Xeomin Boxed Warning

DISTANT SPREAD OF TOXIN EFFECT Postmarketing reports indicate that the effects of XEOMIN and all botulinum toxin products may spread from the area of injection to produce symptoms consistent with botulinum toxin effects. These may include asthenia, generalized muscle weakness, diplopia, blurred vision, ptosis, dysphagia, dysphonia, dysarthria, urinary incontinence and breathing difficulties. These symptoms have been reported hours to weeks after injection. Swallowing and breathing difficulties c...

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Trial Timeline

Full development history with FDA approval milestones

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Understanding FDA Approval Types
Count Type What it means
- ORIG Original approval - drug first enters market
- SUPPL - Efficacy New indication (new disease/condition approved)
- SUPPL - Labeling Label text changes (warnings, dosing updates)
- SUPPL - Manufacturing Production changes (new facility)
- SUPPL - Chemistry Formulation changes (new dosage strength)

Green lines in the timeline show ORIG and Efficacy approvals - the clinically meaningful milestones.

Xeomin FDA Label Details

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Indications & Usage

FDA Label (PDF)

XEOMIN is an acetylcholine release inhibitor and neuromuscular blocking agent indicated for the treatment or improvement of: Chronic sialorrhea in patients 2 years of age and older Upper limb spasticity in adults Upper limb spasticity in pediatric patients 2 to 17 years of age, excluding spasticity caused by cerebral palsy Cervical dystonia in adults Blepharospasm in adults the appearance of upper facial lines in adults: moderate to severe glabellar lines associated with corrugator and/or procerus muscle activity moderate to severe horizontal forehead lines associated with frontalis muscle act...

⚠️ BOXED WARNING

WARNING: DISTANT SPREAD OF TOXIN EFFECT Postmarketing reports indicate that the effects of XEOMIN and all botulinum toxin products may spread from the area of injection to produce symptoms consistent with botulinum toxin effects. These may include asthenia, generalized muscle weakness, diplopia, blu...

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Data Sources

Data sourced from official FDA and NIH databases. Click links to verify on original sources.