Facial muscle weakness

Facial muscle weakness involves a reduced ability to move the muscles in the face. Common causes include:

• Bell’s palsy: Sudden, temporary weakness on one side of the face.
• Stroke: Blood flow interruption to parts of the brain affecting facial muscles.
• Infections: Such as Lyme disease or herpes zoster.
• Neuromuscular disorders: Like myasthenia gravis.
• Brain tumors or lesions.

Source | Author Doctor Nikas Samuolis, reviewed by Prof. Virginijus Šapoka | Vilnius University | Faculty of Medicine | Head of the Department of Internal Medicine, Family Medicine, and Oncology