Botulinum Toxin for First Bite Syndrome: A Symptom-Guided “Follow-The-Pain” Injection Strategy - Takeaways - MDSpire

Utilizing Botulinum Toxin for Managing First Bite Syndrome: An Injection Approach Based on Symptom Localization

By
Rosario Marchese-Ragona
Gianmarco Giunta
Daniela Adamo
Elisabetta Zanoletti
Daniele Manfredini
Domenico Antonio Restivo
July 1, 2026

Head And Neck

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1

First Bite Syndrome (FBS) is characterized by severe unilateral parotid pain triggered by the first bite of food, diminishing with continued chewing.
2

FBS can occur after surgeries involving the parotid gland and has an incidence of 9% to 20% in high-risk procedures.
3

Botulinum toxin type A (BoNT-A) has been reported to effectively reduce first-bite pain intensity in patients with FBS.
4

The proposed mechanism of BoNT-A includes inhibition of acetylcholine release and modulation of pain-related mediators.
5

A symptom-guided injection strategy, termed the 'Follow-the-Pain' technique, aims to improve treatment outcomes for refractory FBS cases.

Original Source(s)

Head And Neck

Botulinum Toxin for First Bite Syndrome: A Symptom-Guided “Follow-The-Pain” Injection Strategy

by Rosario Marchese-Ragona, Gianmarco Giunta, Daniela Adamo, Elisabetta Zanoletti, Daniele Manfredini, Domenico Antonio Restivo
July 1, 2026

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