The following is a summary of "Efficacy and safety of botulinum neurotoxin in the treatment of hemifacial spasms: a ...

Hemifacial spasm (HFS) is a rare movement disorder that causes involuntary muscle contractions on one side of the face. It typically starts with painless but annoying twitching around one eye. Over ...

These nerve cell bodies help control all voluntary movements. As a result, the disease can also affect other muscles in your body. Hemifacial spasm is a neuromuscular disorder. The problem usually is ...

But they can be uncomfortable. “It just feels weird,” Tobin says. Hemifacial spasm: Compared to facial myokymia, these are longer-lasting contractions. Strong facial spasms may force your ...