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Primary dystonia is suspected when the dystonia is the only sign and there is no identifiable cause or structural abnormality in the central nervous system. Researchers suspect it is caused by a pathology of the central nervous system , likely originating in those parts of the brain concerned with motor function—such as the basal ganglia and ...
The symptoms can be acute (short-term) or chronic (long-term). They include movement dysfunction such as dystonia (continuous spasms and muscle contractions), akathisia (may manifest as motor restlessness), [ 1 ] parkinsonism characteristic symptoms such as rigidity , bradykinesia (slowness of movement), tremor , and tardive dyskinesia ...
Oromandibular dystonia (OMD) is an uncommon focal neurological condition affecting the jaws, face, and mouth. [1] Oromandibular dystonia is characterized by involuntary spasms of the tongue, jaw, and mouth muscles that result in bruxism , or grinding of the teeth , and jaw closure.
Dystonia is a disorder of involuntary muscle contractions that may cause repetitive and/or abnormal movement or postures. Dystonia is a disorder that causes repetitive involuntary muscle movements ...
When the throat muscles are involved, this type of dystonia is called an acute laryngospasm and is a medical emergency because it can impair breathing. [4] Older antipsychotics such as haloperidol or fluphenazine are more likely to cause acute dystonia than newer agents. Giving high doses of antipsychotics by injection also increases the risk ...
Acute dystonia nearly always develops a few weeks after a dopamine blocking agent/medication has begun or a substantial increase in antipsychotic dosage. An acute dystonic reaction consists of sustained, painful muscular spasms, producing twisting of the trunk/body and abnormal posture.
Oculogyric crisis (OGC) is a rare sudden, paroxysmal, dystonic reaction that may manifest in response to specific drugs, particularly neuroleptics, or medical conditions, such as movement disorders. This neurological phenomenon is characterized by a sustained dystonic, conjugate, involuntary upward deviation of both eyes lasting seconds to hours.
Torsion dystonia, also known as dystonia musculorum deformans, is a disease characterized by painful muscle contractions resulting in uncontrollable distortions. This specific type of dystonia is frequently found in children, with symptoms starting around the ages of 11 or 12.
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