Dehydration takes place when your body loses more fluids than you drink. If itβs not treated on time, it can worsen and lead to serious problems such as heat-related emergencies and kidney problems. And water is vital for every cell in the body to work correctly and is an essential energizing ingredient; without enough, your body canβt function properly. It can be mild or severe depends on how much fluid you intake and your body loses. You can treat mild dehydration at home, but severe one needs to be treated in a hospital.