May 2, 2025 · Many people, mainly older adults, don't feel thirsty until they're dehydrated. That's why it's important to increase water intake during hot weather or while ill.

May 2, 2025 · Most adults with mild to moderate dehydration from diarrhea, vomiting or fever can get better by drinking more water or other liquids. For children and adults, drinking full-strength fruit juice …

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 immune systems.

Sep 12, 2016 · Anyone may become dehydrated, but young children, older adults and people with chronic illnesses are most at risk. You can usually reverse mild to moderate dehydration by drinking …

Apr 6, 2023 · Dehydration, which lessens your body's ability to sweat and keep a normal temperature. Alcohol use, which can affect your body's ability to regulate your temperature.

Jun 23, 2025 · Dehydration, which reduces your ability to sweat. Drinking alcohol, which can affect your body temperature control. Overdressing in clothes that don’t allow sweat to evaporate easily. Heat …

A loss of 10% or more of body weight suggests serious dehydration. Symptoms of cholera dehydration include irritable behavior, fatigue, sunken eyes, a dry mouth, extreme thirst, and little or no urinating.

Dec 24, 2025 · Certain illnesses, such as pneumonia or urinary tract infections, that can cause dehydration. Hyponatremia treatments may include changing a medicine that affects sodium level, …

Feb 24, 2025 · Over time, that loss of water can create dehydration, especially if you don’t or can’t drink enough to replenish fluids. The loss of electrolytes — minerals such as sodium and potassium — …

Jun 13, 2024 · Dehydration. When the body doesn't have enough water, the amount of blood in the body declines. This can cause blood pressure to drop. Fever, vomiting, severe diarrhea, overuse of …