A
rehydration drink is a special kind of drink that helps to replace lost fluids and minerals in your body when you are dehydrated. It is designed to help you feel better and get hydrated again.
Full definition
Their test drinks included still and sparkling water, soda (Coke and Diet Coke), sports drink (Powerade), Orange Juice, lager beer, black coffee, black tea (hot and cold), milk (skim and normal), and an
oral rehydration drink designed for children with prolonged diarrhea.
He will most probably be given an electrolyte solution or an
oral rehydration drink to help replenish his sodium levels.
In fact, the researchers found that the best drinks for hydration were actually milk (both versions) and the oral
rehydration drink.