what are the symptoms of severe dehydration?
430334
['Not peeing or having very dark yellow pee.', 'Very dry skin.', 'Feeling dizzy.', 'Rapid heartbeat.', 'Rapid breathing.', 'Sunken eyes.', 'Sleepiness, lack of energy, confusion or irritability.', 'Fainting.']
736580
Severe acute overdosage may precipitate sodium overload (hypernatraemia or hyperosmolality) and possibly metabolic alkalosis. Symptoms may include restlessness, weakness, thirst, reduced salivation, dizziness, headache and possibly hypotension and tachycardia.
90554
Symptoms of dehydration in elderly adults may sometimes be subtle, but not drinking enough water and fluids can have a big effect on the body, especially in the elderly. Severe dehydration can lead to confusion, weakness, urinary tract infections, pneumonia, bedsores in bedridden patients, and other serious conditions.
400055
['feeling dizzy or faint.', 'a change in mental state – such as confusion or disorientation.', 'diarrhoea.', 'nausea and vomiting.', 'slurred speech.', 'severe muscle pain.', 'severe breathlessness.', 'less urine production than normal – for example, not urinating for a day.']
1177597
Drinking more water can keep your digestive system moving and make bowel movements easier to pass. Signs of dehydration include headache, lightheadedness and dark-colored urine. In your third trimester, dehydration can lead to contractions and even preterm labor.
936658
In addition to changes in blood pressure, there are other dehydration symptoms to look out for. Oftentimes, you'll feel these symptoms before you know that you've had a change in blood pressure. These symptoms include: thirst.
64329
Severe dehydration can cause dangerously low blood pressure that requires medical attention. Dehydration can cause a rapid heart rate or heart palpitations. Palpitations give you the feeling that your heart is jumping or skipping a beat.
66147
This leads to various symptoms of dehydration including thirst and dry mouth, decreased urine output, muscle cramps, headache, lightheadedness, sleepiness and a lack of tear production. When the eyes stop producing tears, they are no longer properly lubricated, which can lead to dry eye, eye strain and vision problems.
324495
['Thirst.', 'Profuse sweating.', 'Chills.', 'Extreme tiredness.']
1315804
A few people may have more persistent symptoms, for example, swollen tonsils (with spots of pus or ulcers), enlarged lymph glands, and high fever causing pain, severe fatigue (tiredness), and difficulty swallowing; which can lead to dehydration.
370136
["Persistent headaches. One of the first things you might notice when you're dehydrated is a throbbing headache. ... ", 'Sluggish bowel function. “There are water receptors in the colon, and they pull water from the body to make the stools softer,” says Dr. ... ', 'Dull skin. ... ', 'Fatigue. ... ', 'Weight gain. ... ', 'Dry mouth.']
1016529
['very low blood pressure.', 'rapid heart rate.', 'sweaty, wet skin that often feels cool to the touch.', 'little or no urine.', 'vomiting blood.', 'loss of consciousness.', 'leakage of blood from the eyes, ears, or nose.', 'organ failure.']
1465683
Seek medical attention if: You experience frequent episodes of vomiting and can't keep down liquids, diarrhea for more than three days, extreme pain with abdominal cramping, a temperature higher than 101.5, signs of severe dehydration, or neurological symptoms such as blurry vision or muscle weakness.
1203297
When you're dehydrated, your body holds on to as much water it can. This means that your urine will be highly concentrated and appear darker than usual. Symptoms of significant dehydration can include: very dark or cloudy urine.
446887
One sign of overhydration or water intoxication is a feeling of confusion or disorientation. This is linked to falling levels of electrolytes such as sodium in the body. If water intake continues to be excessive, symptoms can progress from mild confusion to delirium and seizures.
1475853
['Dehydration or excessive thirst.', 'A small amount of urine output.', 'Swelling and fluid retention.', 'Nausea and vomiting.', 'Trouble waking up/drowsiness.', 'Feeling sluggish.', 'Confusion.']
1001518
['Dizziness (orthostatic/postural hypotension)', 'Decreased urination (oliguria)', 'Dry mouth, dry skin.', 'Thirst and/or nausea.', 'Weight loss (except in third spacing, where the fluid will still be in the body but inaccessible)', 'Muscle weakness and lethargy.']