Table 1. Patient timeline for relevant past medical history and interventions, including relevant personal, family, and psychosocial history; important past interventions; outcomes.

ELISA: enzyme-linked immunosorbent assay; HIV: human immunodeficiency virus; MRI: magnetic resonance imaging; VDRL: Venereal Disease Research Laboratory

Relevant Past Medical History and Interventions (Cannabis Consumption in the Past Eight Years)
Date	Summaries from Initial and Follow-up Visits	Diagnostic Testing (Including Dates)	Interventions
08/09/2021	The patient arrived with hetero-aggressive behaviors toward his parents for the last three months. During the mental examination, it was evidenced that the patient believed their parents were killed time ago, and impostors were now replacing them; therefore, he desired to murder “the impostors”.	Cannabinoid screening test in urine with positive results for tetrahydrocannabinol (10/09/2021). Hemogram, urine sample, creatinine, VDRL, and HIV ELISA were within normal parameters (10/09/2021). A brain MRI was conducted to rule out structural lesions, showing a slight accentuation of cerebellar folia (11/09/2021).	Lorazepam 1 mg/day, valproic acid syrup 250 mg/5 ml every 12 hours, clozapine 100 mg in the morning, and 300 mg at night, clonidine 150 mcg/12 hours, and pipotiazine 25 mg intramuscular injection once a month
08/10/2021	The patient persisted with psychotic symptoms with a high risk of parricide due to Capgras syndrome	No investigations performed	We decided to remove lorazepam and clonidine, leaving the patient with valproic acid syrup 750 mg/5 ml every 12 hours, clozapine 200 mg in the morning, and 300 mg at night, in addition to pipotiazine
08/11/2021	The patient presented a complete resolution of all psychiatric symptoms	No investigations performed	Discharge was given with an ambulatory control appointment with psychology and psychiatry