Dehydration occurs when the body loses more fluids than it takes in, leading to a deficiency that disrupts normal bodily functions. Water is essential for various physiological processes, including temperature regulation, joint lubrication, and waste elimination. Dehydration can result from inadequate water intake, excessive sweating, diarrhea, vomiting, or diuretic use.
Here are the 10 warning signs of dehydration one should never ignore according to Dr Kushal Rastogi from Poddar Healthcare.
Thirst: Thirst is the body’s natural signal indicating the need for more fluids. It's often the first sign of dehydration. When dehydrated, the body conserves water, leading to dry mouth and throat. Drinking water immediately can help alleviate thirst and prevent further dehydration.
Dry mouth and swollen tongue: A dry, sticky mouth and a swollen tongue occur when there’s insufficient saliva production, a result of dehydration. Saliva is essential for digestion and maintaining oral health. Persistent dryness and swelling can lead to discomfort, difficulty speaking, and increased risk of tooth decay and gum disease.
Fatigue: Dehydration can cause fatigue because it affects the body's ability to function optimally. Fluids are vital for energy production and nutrient transport. Without adequate hydration, blood volume decreases, leading to less efficient circulation and a drop in blood pressure, which can cause feelings of tiredness and lethargy.
Dark-coloured urine: Dark yellow or amber-coloured urine indicates concentrated waste due to reduced water intake. Normally, urine should be pale yellow. Concentrated urine means the kidneys are retaining as much water as possible to prevent further dehydration. It's a clear sign to increase fluid intake.
Decreased urine output: Urinating less frequently than usual is a sign that the body is conserving water. The kidneys respond to dehydration by retaining as much fluid as possible, leading to less urine production. Monitoring urine frequency and color can help gauge hydration levels.
Dizziness or lightheadedness: Feeling dizzy or lightheaded, especially when standing, is a result of decreased blood volume and pressure due to dehydration. This reduced blood flow affects the brain’s oxygen supply, causing these sensations. Staying hydrated helps maintain normal blood volume and pressure, preventing dizziness.
Dry skin: Dehydrated skin lacks moisture, feeling dry, tight, and less elastic. It may appear flaky and be more prone to irritation. Water is essential for maintaining skin's elasticity and barrier function. Proper hydration helps keep the skin soft, smooth, and resilient.
Headache: Dehydration can cause headaches due to reduced blood and oxygen flow to the brain. Loss of fluid balance affects brain function, leading to pain and discomfort. Rehydrating can help alleviate headache symptoms. Severe dehydration can lead to migraines, emphasising the importance of consistent fluid intake.
Constipation: Insufficient fluid intake results in harder, dryer stools, making them difficult to pass. Water helps maintain stool consistency and bowel regularity. Staying hydrated aids digestion and prevents constipation, ensuring waste moves smoothly through the intestines.
Rapid heartbeat and breathing: Dehydration leads to reduced blood volume, making the heart work harder to pump blood. This can cause an increased heart rate and faster breathing as the body tries to maintain oxygen delivery to vital organs. Drinking enough fluids helps maintain cardiovascular stability and normal respiratory function.
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