Think You’re Drinking Enough? Here’s What Dehydration Does to Your Body

increased thirst. Your urine may also become darker and more concentrated.

Other possible symptoms include:

  • Dry mouth or lips
  • Headache
  • Tiredness or weakness
  • Dizziness or lightheadedness
  • Reduced urination
  • Dark-yellow urine
  • Difficulty concentrating

The severity of symptoms depends on how much fluid has been lost and how quickly it happened.

Dehydration Can Affect Physical Performance

Even relatively modest fluid loss can make physical activity feel more difficult.

When you exercise, your body loses water through sweat. If you don’t replace enough of that fluid, you may experience increased fatigue and reduced physical performance.

This is particularly important during hot weather or prolonged exercise.

Drinking regularly throughout physical activity can help replace fluids lost through sweating.

Your Body Loses Water in More Ways Than You Think

Sweating isn’t the only way you lose water.

Your body also loses fluid through urine, breathing, and bowel movements. Illness can increase these losses considerably.

Vomiting