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[Acute psychotic disorder associated with vigabatrin]
M Xavier1, M S Bento, D P Pereira
1Clínica Universitária da Faculdade de Ciências Médicas de Lisboa.
Acta Medica Portuguesa
|October 12, 2000
Summary
Vigabatrin, used for epilepsy, can cause psychosis. This case study shows prompt recovery after stopping vigabatrin and starting antipsychotics, highlighting careful prescription needs.
Area of Science:
- Neurology
- Psychiatry
- Pharmacology
Background:
- Vigabatrin is an antiepileptic drug used for refractory epilepsy.
- Adverse effects of vigabatrin include psychiatric disturbances like psychosis.
Observation:
- A 44-year-old patient with drug-resistant temporal lobe epilepsy developed acute psychosis.
- The psychotic episode emerged approximately three weeks after starting vigabatrin therapy.
Findings:
- Discontinuation of vigabatrin led to rapid clinical improvement.
- Addition of an antipsychotic medication further stabilized the patient's condition.
Implications:
- This case underscores the potential for vigabatrin-induced psychosis.
- It highlights the importance of monitoring for psychiatric adverse effects and considering drug withdrawal and antipsychotic treatment.
- Further research into vigabatrin's neurobiological mechanisms and safe prescribing guidelines is warranted.