Dehydration

Dehydration is a condition caused by the loss of too much water from the body. Severe diarrhea or vomiting can cause dehydration.

What is Dehydration?

Dehydration is a condition that results when the body loses more water than it takes in.

How Does Mild Dehydration Affect the Body?

Dehydration Signs and Symptoms in Children

Dehydration in the Elderly: Signs and Symptoms

Latest Dehydration News and Research

WHO Issues Comprehensive Guidelines On Filovirus Disease, Including Ebola And Marburg Disease

As the Democratic Republic of the Congo is battling an Ebola disease outbreak caused by the Bundibugyo virus, the World Health Organization (WHO) has released its first comprehensive guidelines for the clinical management of filovirus disease which include all types of Ebola and Marburg viruses.

18 Jun 2026

Lab-grown cell models reveal urate triggers vital renal water channels

Mayo Clinic researchers have identified a previously unrecognized way the kidneys regulate water balance - an advance that could lead to improved treatments for polycystic kidney disease (PKD) and other disorders. The study, led by Fouad Chebib, M.D., a nephrologist at Mayo Clinic, is published in the Journal of Clinical Investigation.

16 Jun 2026

The importance of ketones from a clinical and medical perspective

In this interview, News-Medical talks to Marcin Pacek, senior director of medical and scientific affairs in Europe for Nova Biomedical, about the importance of ketones in a medical and clinical setting.

From Nova Biomedical 15 Jun 2026

Advancing Cushing's syndrome diagnosis with salivary cortisone testing

Discover expert insights into Cushing's syndrome diagnosis using salivary cortisone testing and LC-MS/MS for improved accuracy.

From Waters Advanced Diagnostics 10 Jun 2026

Sparkling water may leave you less hydrated after exercise

Electrolyte supplementation in carbonated water boosts fluid retention post-dehydration, making it a better rehydration option than plain sparkling water.

10 Jun 2026

Ongoing nausea in pregnancy may flag anxiety and depression risk

Persistent or severe nausea during pregnancy was linked to higher maternal anxiety and depressive symptoms across gestation. The study found little consistent evidence that nausea worsened most perinatal outcomes, suggesting it may serve mainly as a clinical warning sign for psychological burden.

25 May 2026

Researchers discover water's role in brain learning and memory signaling

How do we learn to remember? At the most fundamental level, it's all about chemicals and electricity. Beyond their roles in diet and nutrition, calcium and magnesium work as ions, or charged particles, in the brain.

19 May 2026

Birth weight predicts kidney function during endurance exercise

Researchers investigate how birth weight determines kidney function changes following prolonged physical activity in different environmental conditions.

7 May 2026

Climate change increases stroke risk through extreme weather and pollution

The World Stroke Organization is warning that climate change poses an escalating threat to brain health, with extreme heat in particular increasing the risk of having a stroke and of patients dying from stroke.

30 Apr 2026

GLP-1 drugs promise wider health benefits, but experts urge caution on use

GLP-1 receptor agonists are reshaping care for type 2 diabetes, obesity, chronic kidney disease, and obstructive sleep apnea, with evidence for glycemic, weight-loss, cardiovascular, and renal benefits. The review urges nurse practitioners to balance expanding clinical promise with careful prescribing, patient education, monitoring, access advocacy, and vigilance for gastrointestinal, endocrine, pregnancy-related, and rare serious risks.

27 Apr 2026

Rising rotavirus cases highlight importance of childhood vaccination

With a rising number of rotavirus cases being reported across the country and in New Jersey this spring, experts from Hackensack Meridian Children's Health are urging parents to ensure their children are vaccinated against this common and potentially severe illness.

21 Apr 2026

A new method to measure intracellular water in biological systems

Teemu Miettinen discusses his innovative method for measuring intracellular water, revealing its critical role in cell function and disease mechanisms.

21 Apr 2026

Sunlight exposure via windows risks infant dehydration and skin damage

Researchers from the Universitat Politècnica de València, the Francesc de Borja University Hospital in Gandia and the La Ribera University Hospital, through the Fisabio Foundation, have found that sunlight passing through windows in homes is neither a safe nor a recommended alternative for preventing or treating neonatal jaundice, a condition affecting more than half of all newborns.

16 Apr 2026

Optical fiber probe detects nanoliter-scale biological fluid conductivity

Some of the most revealing signals about human health are carried in fluids that are almost impossible to measure.

2 Mar 2026

Review: Pathogenesis, diagnosis, and management of harlequin ichthyosis

Harlequin ichthyosis (HI) is a rare, severe genetic skin disorder caused by ABCA12 mutations, leading to defective lipid transport and loss of skin barrier function.

17 Feb 2026

Ozempic users continue treatment when weight loss works despite side effects

A study on Ozempic for weight loss reveals user satisfaction is driven by efficacy, despite common gastrointestinal side effects impacting treatment adherence.

13 Feb 2026

Expanded vaccine supply allows resumption of cholera prevention campaigns

Global cholera vaccine supply has now increased to a level sufficient to allow the resumption of life-saving preventive campaigns for the first time in over three years, Gavi, the Vaccine Alliance, UNICEF, and the World Health Organization (WHO) announced today.

5 Feb 2026