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.
Headaches are also a common symptom of dehydration in younger people, as well as wrinkled or sagging skin. However, these symptoms may not be evident in elderly patients. Headaches alone do not necessarily indicate dehydration, but combined with any other symptom could identify possible dehydration.