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.

Dehydration Signs and Symptoms in Children

How Does Mild Dehydration Affect the Body?

Dehydration in the Elderly: Signs and Symptoms

Latest Dehydration News and Research

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

Scientists reveal how cholera bacteria activate toxin genes in the human gut

Cholera remains a major global public health challenge, with an estimated 1.3 to 4 million cases and tens of thousands of deaths reported worldwide each year.

14 Jan 2026

Study reveals how Ebola and Marburg viruses damage the human gut

Ebola (EBOV) and Marburg virus (MARV) are highly lethal viruses that cause severe disease in infected patients by extensively damaging the body.

11 Dec 2025

Settling the creatine safety debate

Research confirms creatine's safety, highlighting misinformation and low-quality supplements as primary concerns over cancer and kidney health risks.

3 Dec 2025

Exploring electron microscopy for plant and microbial imaging at the John Innes Centre

Discover how electron microscopy advances plant and microbial research with expert insights from the John Innes Centre’s bioimaging facility.

From Leica Microsystems GmbH 2 Dec 2025

Postoperative geriatric syndromes signal high vulnerability and poor outcomes in older adults

Older adults who develop a new geriatric syndrome - such as dehydration, delirium, or malnutrition - after major surgery face a dramatically higher risk of poor outcomes, including more complications, fewer days spent at home, and a significantly increased likelihood of dying within a year, according to findings published in the Journal of the American College of Surgeons.

20 Nov 2025

Simple, low-cost interventions could help reduce heat stress for garment workers

Simple, low-cost interventions could help reduce heat stress for the millions of people who work in garment factories in Bangladesh, where extreme temperatures make conditions unbearable, according to Australian researchers.

27 Oct 2025

A parent's guide to manage pediatric respiratory illnesses during the virus season

As we head deeper into fall and toward the holiday season, your little one may start to exhibit symptoms like a runny nose, cough, or fever.

24 Oct 2025

Physically fit individuals may better cope with dehydration stress

Individuals who are physically fit may be better equipped to handle the negative effects of dehydration, according to research from the University of California, Riverside. In a study using selectively bred "high-runner" mice, the scientists found that fitter animals increased their voluntary running activity when deprived of water - a finding that could have implications for human performance and health under environmental stress.

23 Oct 2025

Study reveals high sudden cardiac death rates in female bodybuilders

Sudden cardiac death is responsible for an unusually high proportion of deaths in female bodybuilders worldwide, according to research published in the European Heart Journal today (Tuesday).

20 Oct 2025

MXene materials pave the way for next-generation smart contact lenses

As wearable health technologies evolve, smart contact lenses (SCLs) are emerging as powerful platforms for non-invasive, real-time ocular diagnostics.

16 Oct 2025