Table 2.

International guidelines on alcohol withdrawal and vitamin C replacement

Country	Organisation	Recommendation
		Alerts to hypovitaminosis	Vitamin C replacement	Route	Dose	Time period
International	WHO30	+	–	–	–	–
	World Federation of Societies of Biological Psychiatry31	+	–	–	–	–
USA	American Psychiatric Association32	−	–	–	–	–
	Substance Abuse and Mental Health Services33	+	Multivitamin	Intravenous	NS	NS
Australia	Australian Government, Department of Health and Ageing34	+	Multivitamin	Oral	Daily	NS
	Government of South Australia, SA Health35	+	Multivitamin	NS	NS	NS
UK	National Institute for Health and Care Excellence36	−	–	–	–	–
	Southern Health, NHS Foundation Trust37	+	Vitamins B and C*	Intramuscular	1 Amp daily	5 days
			Multivitamin	Oral	1 Tab daily	6 weeks
	Guy’s and St Thomas’, NHS Foundation Trust38	+	Vitamins B and C*	Intravenous	1–2 Amp three times a day	7 days
	NHS Grampian39	+	Vitamins B and C*	Intravenous	1–2 Amp three times a day	5 days
				Oral	500 mg	NS

*Given as Pabrinex injection.

(+), present; (-), absent;Amp, ampoule (5 mL each); NS, not specified; Tab, tablet.