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Table 2 Medications administered every 24 hours since presentation to our emergency department

From: Polysubstance-induced relapse of schizoaffective disorder refractory to high-dose antipsychotic medications: a case report

Time since presentation to emergency department

Total medication doses over 24-hour period

Daily chlorpromazine equivalence

Daily diazepam equivalence

0–24 hours

Lorazepam IV/IM 10 mg

 

50 mg

Ziprasidone IM 60 mg

300 mg

Droperidol IM 45 mg

900 mg

Zuclopenthixol acetate IM 150 mg

300 mg

Benztropine IM 2 mg

24–48 hours

Lorazepam IM 6 mg

 

30 mg

Droperidol IM 100 mg

2000 mg

Zuclopenthixol acetate IM 150 mg

300 mg

48–72 hours

Lorazepam IM 8 mg

 

40 mg

Lorazepam PO 2 mg

 

10 mg

Droperidol IM 50 mg

1000 mg

Zuclopenthixol acetate IM 100 mg

200 mg

Chlorpromazine PO 300 mg

300 mg

72–96 hours

Lorazepam PO 16 mg

 

80 mg

Chlorpromazine PO 1350 mg

1350 mg

Zuclopenthixol acetate IM 100 mg

200 mg

Benztropine PO 2 mg

96–120 hours

Lorazepam PO 10 mg

 

50 mg

Chlorpromazine PO 750 mg

750 mg

Zuclopenthixol decanoate IM 300 mg

450 mga

Benztropine PO 2 mg

  1. Daily chlorpromazine and diazepam equivalence are provided for comparative purposes [31]. IM intramuscular, IV intravenous, PO oral. aZuclopenthixol decanoate depot of 300 mg/fortnightly is equivalent to 450 mg of chlorpromazine daily over the fortnight