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Updated: Jun 15, 2025

Ultrasound-guided Botulinum Toxin-A Injections: A Method of Treating Sialorrhea
Published on: November 9, 2016
RimabotulinumtoxinB: An Update
Teresa Song1,2, Ellen S Marmur1,2
1Marmur Medical, New York, New York.
RimabotulinumtoxinB offers a safe and effective alternative for treating conditions like facial wrinkles and hyperhidrosis, particularly for patients resistant to type A. Common side effects include dry mouth and dysphagia, with a faster onset of action compared to type A.
Area of Science:
- Neurology
- Dermatology
- Pharmacology
Background:
- Botulinum type-A toxin is a widely used medical and aesthetic treatment.
- Botulinum type-B toxin (rimabotulinumtoxinB) is gaining interest, especially for treatment-resistant cases.
Purpose of the Study:
- To review the FDA-approved and emerging clinical uses of rimabotulinumtoxinB.
- To assess its efficacy and safety in various indications.
Main Methods:
- Literature review of PubMed database.
- Analysis of Food and Drug Administration guidelines.
Main Results:
- Specific conversion ratios for type B toxin were noted for facial rhytids, cervical dystonia, hyperhidrosis, and sialorrhea.
- Type B toxin demonstrated efficacy in treating facial rhytids, cervical dystonia, sialorrhea, and hyperhidrosis.
Conclusions:
- RimabotulinumtoxinB is safe and effective for several conditions, with potential new applications.
- Dry mouth and dysphagia are the most common side effects.
- Type B toxin exhibits a faster onset and dose-dependent effects and adverse events.
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