Location: Portland Metropolitan Area, Oregon, Pacific Northwest, United States, North America Population: 530,000 Latitude of center: 45Â° 33' 36.3 (45.5601Â°) north
The signs and symptoms of dehydration include: 1  dizziness. 2  headache. 3  dark urine (may have a strong odor)  inability to 1  urinate. dry mouth and nose. 2  weakness. nausea and vomiting.  skin that does not flatten when pinched and released.
Recognizing dehydration symptoms starts by understanding how dehydration works. Patients don't have enough fluid (water) in their blood to get nutrition and oxygen to their tissues. You can become dehydrated by sweating too much, by urinating too much, or by not absorbing water through illness.