2019;407:116532. Tombasco et al. Botulinum Toxin for the Treatment of Hemifacial Spasm: An Update on Clinical Studies. Toxins (Basel). 2021 Dec 9;13(12):881. Tugend M, Ulane CM, Patel K, Sekula RF Jr.

Medically reviewed by Nicholas R. Metrus, MD Hemifacial spasm (HFS) is a rare movement disorder that causes involuntary ...