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.
Constipation - Symptoms and causes - Mayo Clinic
2023年10月20日 · Symptoms. Symptoms of constipation include: Fewer than three stools a week. Hard, dry or lumpy stools. Straining or pain when passing stools. A feeling that not all stool has passed. A feeling that the rectum is blocked. The need to use a finger to pass stool. Chronic constipation is having two or more of these symptoms for three months or longer.
Urinary tract infection (UTI) - Symptoms and causes
Symptoms. UTIs don't always cause symptoms. When they do, they may include: A strong urge to urinate that doesn't go away; A burning feeling when urinating; Urinating often, and passing small amounts of urine; Urine that looks cloudy; Urine that appears red, bright pink or cola-colored — signs of blood in the urine
Hypoglycemia - Symptoms and causes - Mayo Clinic
2023年11月18日 · Learn the signs and symptoms you experience with low blood sugar. This can help you identify and treat hypoglycemia before it gets too low. Frequently checking your blood sugar level lets you know when your blood sugar is getting low.
Iron deficiency anemia - Symptoms & causes - Mayo Clinic
2022年1月4日 · Initially, iron deficiency anemia can be so mild that it goes unnoticed. But as the body becomes more deficient in iron and anemia worsens, the signs and symptoms intensify. Iron deficiency anemia signs and symptoms may include: Extreme fatigue; Weakness; Pale skin; Chest pain, fast heartbeat or shortness of breath; Headache, dizziness or ...
Ulcerative colitis - Symptoms and causes - Mayo Clinic
Symptoms. Ulcerative colitis symptoms can vary, depending on the severity of inflammation and where it occurs. Signs and symptoms may include: Diarrhea, often with blood or pus; Rectal bleeding — passing small amount of blood with stool; Abdominal pain and cramping; Rectal pain; Urgency to defecate; Inability to defecate despite urgency ...
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.
Atrial fibrillation - Symptoms and causes - Mayo Clinic
2024年3月8日 · Symptoms. Symptoms of AFib may include: Feelings of a fast, fluttering or pounding heartbeat, called palpitations. Chest pain. Dizziness. Fatigue. Lightheadedness. Reduced ability to exercise. Shortness of breath. Weakness. Some people with atrial fibrillation (AFib) don't notice any symptoms. Atrial fibrillation may be:
Addison's disease - Symptoms and causes - Mayo Clinic
2024年2月3日 · Sometimes the symptoms of Addison's disease appear suddenly. Acute adrenal failure can lead to life-threatening shock. Seek emergency treatment for the following: Severe weakness; Confusion; Pain in the lower back or legs; Severe abdominal pain, vomiting and diarrhea, leading to dehydration; Reduced consciousness or delirium; Low blood pressure