Do not neglect the symptoms of dehydration in children, they may progress to more serious heat illness, such as heat exhaustion or heatstroke. The human body is made up of 55% to about 78% of water.

Older adults, infants, and children should seek professional medical care if they have any symptoms of dehydration or an electrolyte imbalance.

Learn heat-related first aid treatment for babies and children. When dehydration is not addressed, it can lead to other heat-related illnesses such as heat exhaustion and heatstroke. Learn the ...

You probably want to watch out for mild to moderate dehydration. If it's moderate dehydration and the child's really acting sleepy or lethargic, they can just start lying down and not really ...