Signs of dehydration include:

Thirst: Your body’s way of telling you to drink water or other fluids

Dark urine: Urine that is darker than usual in color and has a strong smell

Decreased urination: Urinating less frequently than normal, usually less than 3 or 4 times a day

Dry mouth, lips, and eyes: A dry or sticky mouth, lips, and tongue

Headache: A headache can be a sign of dehydration

Feeling tired: Dehydration can make you feel tired

Sunken eyes: Dehydration can cause sunken eyes

Muscle cramps: Dehydration can cause muscle cramps

Rapid breathing and heartbeat: If you have a rapid heartbeat and breathing that doesn’t go away after you’ve cooled down, it could be a sign of severe dehydration