Table 5B.

Daily water demand in relation to age

Body weight	Fluid volume/24 hours	Flow rate administration/hour
Children < 10 kg	100 mL/kg	4 mL/kg
Children 11–20 kg	1000 mL + 50 mL/kg for each kg above 10 kg	40 mL/kg/h + 2 mL/kg/h × (body weight − 10 kg)
Children > 20 kg	1500 mL + 20 mL/kg for each kg above 20 kg	60 mL/kg/h + 1 mL/kg/h × (body weight − 20 kg)

Note: © 2009 Biomedia. Reproduced with permission from Caramia G, Ruffini E, Salvatori P. Infectious gastroenteritis. Neonatal Infectious Diseases Study Group of the Italian Society of Neonatology. Manual of Neonatal Infectious Diseases. Milan: Biomedia; 2009.⁵⁵