Tardive dystonia: clinical features
Evidence-based neurology checklist on tardive dystonia: clinical features: Demographic features The mean age at onset is about 38 years It sets in about 6 years after starting treatment: the range is 4 days to 23 years Men are younger than women at onset A shorter exposure period is required in…
Demographic features
- The mean age at onset is about 38 years
- It sets in about 6 years after starting treatment: the range is 4 days to 23 years
- Men are younger than women at onset
- A shorter exposure period is required in men
- It is focal onset in >80% of cases
- It remains focal in only 17% of severe cases
- Remission occurs in about 15%: this is after a mean of about 5 years
Clinical features
Aggravating factors
Relieving factors
Differential diagnosis
References
- Kiriakakis V, Bhatia KP, Quinn NP, Marsden CD. The natural history of tardive dystonia. A long-term follow-up study of 107 cases. Brain 1998; 121:2053-2066.
- Suzuki T, Matsuzaka H. Drug-induced Pisa syndrome (pleurothotonus): epidemiology and management. CNS Drugs 2002; 16:165-174.
- Bhattacharjee S, Tiwari M, Dutt A, Kumar H. Olanzapine-induced task specific tardive dystonia and its response to carbamazepine: a case report. Neurol India 2012; 60:649-650.
- van Harten PN, Kahn RS. Tardive dystonia. Schizophr Bull 1999; 25:741-748.
