May 2, 2025 · Dehydration also can occur in anyone who doesn't drink enough water during hot weather. It's more likely in people who are active in the heat. Drinking more fluids usually fixes …

May 2, 2025 · If you or your child shows signs of serious dehydration, such as having no energy or not responding to others, seek immediate care at a hospital right away. If you have time to …

Jun 14, 2023 · "Recovery time for dehydration depends on the underlying cause and may also depend on how long you’ve been dehydrated. If your dehydration is severe enough that it …

Sep 12, 2016 · Dehydration occurs when you use or lose more fluid than you take in, and your body doesn't have enough water and other fluids to carry out its normal functions. If you don't …

Severe dehydration may raise hematocrit. Your health care team will consider possible complicating factors when interpreting the results of your hematocrit test.

Jan 18, 2025 · Diarrhea can cause dehydration, which can be life-threatening if not treated. Dehydration is particularly dangerous in children, older adults and those with weakened …

Jan 30, 2024 · Symptoms of dehydration include extra thirst, tiredness, headache, dizziness and lightheadedness. Alcohol triggers an inflammatory response from the immune system.

Aug 19, 2025 · No evidence of dehydration with moderate daily coffee intake: A counterbalanced cross-over study in a free-living population. PLOS One. 2014; doi:10.1371/journal.pone.0084154.

Oct 12, 2022 · Lack of water can lead to dehydration — a condition that occurs when you don't have enough water in your body to carry out normal functions. Even mild dehydration can …

May 2, 2025 · Dehydration is especially common and dangerous for infants, young children and older adults. Learn more about treating and preventing dehydration.