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As summer approaches us in Chennai, Tamil Nadu, Dehydration remains one of the most common yet overlooked health risks. It’s more than just feeling thirsty – it can affect your energy, concentration and focus, and overall health. As a doctor, I often see patients who don’t realize they’re dehydrated until they experience severe symptoms.
Let me explain how to identify dehydration, prevent it, and know when to see a doctor.
Drinking plenty of water helps:
Sometimes, even mild dehydration can cause headaches, fatigue, dizziness, and difficulty in concentration. If ignored and left untreated, it can lead to low blood pressure and kidney-related issues.
5 Common Signs of Dehydration
#1 Dry mouth and lips.
#2 Dark yellow urine or reduced amount of urine.
#3 Fatigue and headaches.
#4 Dizziness.
#5 Increased heart rate (seen only in severe cases).
When Should You See a Doctor?
Seek immediate medical attention if you experience:
#1 lack of urine for 8 hours or more.
#2 Persistent vomiting or diarrhea lasting more than 1 day.
#3 Severe dizziness, confusion or difficulty in speaking.
#4 High fever along with dehydration symptoms.
The above signs could indicate severe dehydration, which may require IV fluids and urgent treatment by a doctor.
Higher Risk of Dehydration Arises when…
Certain groups are more vulnerable to dehydration, including:
#1 Children – Lose fluids quickly due to vomiting or diarrhea.
#2 Elders – There’s a risk as they may not feel thirsty even when they’re dehydrated.
#3 Those who work outdoor – tend to lose fluids through excessive sweating.
#4 People with fever, vomiting, or diarrhea – Lose fluids rapidly due to illness.
Medical Tips for Staying Hydrated
#1 Drink a minimum of 2 to 3 litres of water every day.
#2 Don’t wait until you’re thirsty – drink water regularly.
#3 Monitor your urine colour regularly – pale yellow is ideal; dark yellow means you need more water/ fluids.
#4 Consume water-rich foods like watermelon, cucumber, and oranges.
#5 Drink more fluids during fever, diarrhea, or if you sweat heavily.
Home Remedy If You’re Dehydrated?
Mild Dehydration:
Start with Oral Rehydration Solution (ORS) or make your own by mixing:
1 litre of water + 6 tsp sugar + ½ tsp salt
Severe Dehydration:
If you have dizziness, confusion, or rapid heartbeat, seek medical attention immediately—you may need IV fluids.
If symptoms worsen, don’t wait—see a doctor immediately.
Dr. Logeshwaran, General Physician, Diha Clinic, Nanganallur, Chennai.