Multiple drugs interaction
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An event is serious (based on the ICH definition) when the patient outcome is:
* congenital anomaly
* other medically important event
A 24-year-old man developed clozapine toxicity manifesting as increased somnolence, increased salivation, slurred speech and muscle fasciculations following concurrent administration of clozapine, haloperidol decanoate, haloperidol and sodium valproate. Additionally, he developed grand mal seizure secondary to clozapine [not all routes stated].
The man, who had treatment-resistant schizophrenia, was started on clozapine 400−500 mg/day, which was further increased to 700mg daily (50mg midday and 650mg at night) due to severe self-harming symptoms. His medical history was significant for constipation, and he was treated with PEG-3350/sodium chloride/sodium bicarbonate/potassium chloride [Movicol]. Due to his continued severe self-harming psychotic symptoms,...