Can Dehydration Make You Feel Weird?

Signs of fatigue, confusion or anger

Studies have found that mild levels of dehydration can affect your mood and cognitive functions. This is especially common in the young or elderly, who may seem less alert, or forgetful.

What does your body feel like when you are dehydrated?

feeling unusually tired (lethargic) or confused, and you think you may be dehydrated. dizziness when you stand up that doesn't go away after a few seconds. not passing urine for eight hours. a weak pulse.

Why do I feel weird when dehydrated?

People who are dehydrated often have reduced blood pressure or lower blood volume. When this happens, blood may not reach your brain in the way that it should. This can lead to feelings of dizziness or vertigo.