May 2, 2025 · Symptoms Thirst isn't always a good way to tell if the body needs water. Many people, mainly older adults, don't feel thirsty until they're dehydrated. That's why it's important …

Aug 5, 2025 · What Is Dehydration? Dehydration happens when your body doesn't have as much fluid as it needs. That means your body can't function properly. Common causes include …

Other warning signs of dehydration include: Dry mouth. When your body doesn’t have enough water, your salivary glands can’t produce saliva. Your mouth might feel dry or sticky. You may …

Jul 31, 2023 · Dehydration may affect your energy levels and mental state, and even be life-threatening in severe cases. Symptoms of dehydration, such as fatigue, headaches, and dark …

It occurs when you lose more fluids than you take in. Dehydration may happen on a particularly hot day if you sweat a lot, or if you’re sick with fever, diarrhea or vomiting. It can also occur if …

Jan 2, 2024 · Read about dehydration symptoms, causes, what to do if you experience symptoms of dehydration, when to see a doctor, and prevention.

Dehydration is a symptom that occurs when the body loses more fluids than it takes in, resulting in the body not having enough water to function normally. Dehydration can range from mild to …

Apr 15, 2024 · Confusion, dizziness, and fainting are just a few signs you may be dehydrated. Learn more about symptoms and prevention tips with Kaiser Permanente.

Aug 22, 2025 · Indeed, when you fail to drink enough to replenish the fluids lost through urination, sweating, and even breathing, you begin to enter a state of dehydration. Being dehydrated …

Nov 21, 2025 · Symptoms of dehydration include thirst, fatigue, and dry skin. Recognizing these signs can help you prevent serious complications. What Are the Typical Signs of Dehydration?