An impaired ability to coordinate movement often characterized by a staggering gait and postural imbalance is known as ataxia. These can be acquired or inherited.
An uncontrolled contraction of the eyelids that may be temporary twitching or closing of the eyelid.
Dystonia symptoms include strong, involuntary muscle contractions causing co-contraction of muscles that cause turning, twisting or curling. Examples include cervical dystonia (torticollis) or writer’s cramp.
Essential tremor (ET) is a nervous system disorder that causes involuntary and rhythmic shaking, known as tremors. Tremors impact different parts and different sides of the body including hands, head, voice, legs and trunk.
Learn about essential tremor treatment
Irregular, involuntary muscle spasms on one side of the face.
Huntington’s disease and other chorea
Hereditary disorder that affects muscle coordination and leads to mental decline and behavioral symptoms. This is usually associated with chorea, which includes brief, unpredictable movements that interfere with speech, swallowing, posture and gait.
Multiple system atrophy
Occurs from degeneration of nerve cells in the brain causing problems with movement, balance and other autonomic functions of the body such as bladder control or blood-pressure regulation. This usually is confused with Parkinson’s disease or cerebellar ataxia.
Parkinson’s disease and related conditions
Parkinson's disease is a progressive brain disease characterized by the loss of dopamine cells. More than 1.5 million Americans are diagnosed with this condition.
Learn about Parkinson's treatment
Restless leg syndrome
Painful or uncomfortable sensation, jerking or movement preceded by the urge to move the legs and relieved by movement. This typically, but not always, occurs at night or on long car rides.
This is an excessive flow of saliva that may be associated with various conditions.
Tightness, stiffness or spasms of muscles usually from strokes or spinal cord injuries.
Tic disorders include abrupt, repetitive involuntary movements and sounds that can be influenced by emotions, such as Tourette syndrome.