If drinking salt water further dehydrates the body, why is saline used to treated dehydration?

Question

If drinking salt water further dehydrates the body, why is saline used to treated dehydration?

In: 63

Answer 1

Your body needs water. But your body also needs salt. If the doctor only gave you water, then it would dilute the salt your body already has. So they put just the right about of salt in the water to make your body happy.