These conditions may include: Multiple sclerosis (MS), which can cause muscle spasms due to damage to the nerves that control ...

Most people with multiple sclerosis (MS) have a type called relapsing-remitting MS (RRMS). It usually starts in your 20s or 30s. One study shows that people who began treatment when their first ...

Hemifacial spasm (HFS) is a neurological disorder manifested by twitching ... Other uncommon causes of HFS include aneurysms, brain tumors, trauma and demyelinating diseases such as multiple sclerosis ...