People sometimes refer to neurological conditions that cause dystonia (involuntary movement) as “dystonias.” There are many types, and they can affect people of different ages and in different ways.

Stiff person syndrome (SPS) causes you to have muscle stiffness and spasms, often triggered by sudden noises or touch. You can use medications like muscle relaxants and anticonvulsants to relieve ...

Stiff-person syndrome is a rare autoimmune neurological disorder that causes muscle stiffness and painful spasms. Experts explain symptoms, triggers, diagnosis delays and treatment options.

Leg cramps that keep coming back may signal underlying health issues. Here are the causes, warning signs, and when frequent ...

Dystonias are neurological disorders that can cause jerky movements, muscle spasms, repetitive actions, and unusual and awkward postures. Dystonia is a type of involuntary movement, and people ...