We all need to drink water — typically, more than we realize. But what if you drink loads of water every day but are still feeling thirsty and dehydrated?AdvertisementCleveland Clinic is a non-profit academic medical center. Advertising on our site helps support our mission. We do not endorse non-Cleveland Clinic products or services. PolicyIt can be a sign that something else is going on. Factors like your medication, how much you sweat and if you’re sick can affect your levels of hydration.Emergency medicine physician Baruch Fertel, MD, explains dehydration and what can cause it.What is dehydration?Between 55% to 78% of your body is made of water. When you’re dehydrated, you have a lack of water in your body and it doesn’t have enough water to perform its necessary functions.This can be from not drinking enough water or when you lose water quickly from sweating, vomiting or diarrhea and don’t match the losses.Water helps aid in digestion, lubricates your joints, makes saliva, deliver...
