Dehydration - Symptoms & causes - Mayo Clinic
2021年10月14日 · 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 replace lost fluids, you will get dehydrated.
Dehydration - Diagnosis & treatment - Mayo Clinic
2021年10月14日 · Your doctor can often diagnose dehydration on the basis of physical signs and symptoms. If you're dehydrated, you're also likely to have low blood pressure, especially when moving from a lying to a standing position, a faster than normal heart rate and reduced blood flow to your extremities.
Symptoms and causes - Mayo Clinic
Symptoms of dehydration include extra thirst, tiredness, headache, dizziness and lightheadedness. Alcohol triggers an inflammatory response from the immune system. The immune system may make certain substances linked to the body's defense system.
Diarrhea - Symptoms and causes - Mayo Clinic
2024年8月3日 · 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. If you have symptoms of serious dehydration, seek medical help. Symptoms of dehydration in adults. These include: Excessive thirst. Dry mouth or skin. Little or no ...
Traveler's diarrhea - Symptoms and causes - Mayo Clinic
2024年10月24日 · Dehydration caused by diarrhea can cause serious complications, including organ damage, shock or coma. Symptoms of dehydration include a very dry mouth, intense thirst, little or no urination, dizziness, or extreme weakness.
Low blood pressure (hypotension) - Symptoms and causes
2024年6月13日 · 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 diuretic medicines and strenuous exercise can lead to dehydration. Blood loss. Losing a lot of blood also reduces blood volume, leading to a severe drop in blood ...
Food poisoning - Symptoms and causes - Mayo Clinic
2024年2月23日 · Dehydration. The most common complication is dehydration. This a severe loss of water and salts and minerals. Both vomiting and diarrhea can cause dehydration. Most healthy adults can drink enough fluids to prevent dehydration.
Dizziness - Symptoms and causes - Mayo Clinic
2024年11月2日 · The symptoms include headache, dizziness, weakness, upset stomach, vomiting, chest pain and confusion. Overheating or not enough hydration. If you're active in hot weather or if you don't drink enough fluids, you may feel dizzy from overheating or from not being hydrated enough.
Can dehydration lead to serious complications?
2016年9月12日 · Common causes of dehydration include vigorous exercise, especially in hot weather; intense diarrhea; vomiting; fever or excessive sweating. Not drinking enough water during exercise or in hot weather even if you're not exercising also may cause dehydration.
Mayo Clinic Minute: Don’t let hurricane recovery dehydrate you
2017年9月22日 · Drink water throughout your workday. If you experience dehydration symptoms, rest and drink more water. See a doctor if symptoms persist, especially if your heart rate remains high or your blood pressure drops.