Summer is at its peak, and temperatures continue to rise. Extreme heat is causing a variety of health problems, with dehydration being one of the most common. Children, older adults, and people who spend long hours outdoors are particularly vulnerable. If not treated in time, dehydration can lead to serious medical complications.

In this blog, we will explore what dehydration is, its causes, symptoms, and the best ways to prevent it during the summer.

What is Dehydration?

According to Dr. Shazia, a nutritionist from Mardan, dehydration is a condition in which the body loses so much water and essential minerals (electrolytes) that its normal functions begin to suffer. She explains that the human body is made up of nearly 60% water, which is essential for the proper functioning of all organs.

When the body loses more water than it takes in—through sweating, urination, or other causes—and this loss is not replenished, dehydration occurs.

What Causes Dehydration?

Dr. Shazia says that during the summer, the primary cause of dehydration is excessive loss of body fluids.

In hot weather, the body produces more sweat to regulate its temperature. As a result, not only water but also essential electrolytes are lost. If these are not replaced by drinking enough fluids and consuming electrolytes, dehydration develops.

Other common causes include:

Drinking too little water.

Prolonged exposure to extreme heat.

Intense physical activity or exercise.

Excessive sweating.

Vomiting or fever.

Excessive consumption of caffeinated beverages such as tea and coffee.

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Symptoms of Dehydration: 

When the body becomes dehydrated, several warning signs appear that should never be ignored. These include:

Intense thirst.

Dry mouth and throat.

Dizziness.

Weakness.

Headache.

Reduced urine output or dark-colored urine.

Rapid heartbeat.

Fatigue and sluggishness.

If these symptoms become severe, immediate medical attention should be sought.

Dr. Shazia adds that children, older adults, pregnant women, and people who work outdoors are at a greater risk of dehydration and should be monitored carefully.

How to Prevent Dehydration During Summer:

Dr. Shazia recommends drinking an adequate amount of water every day. Under normal conditions, adults should aim for 8 to 12 glasses of water daily. Those working in hot environments or engaging in strenuous activities should increase their fluid intake.

She also emphasizes that drinking water alone is not always enough. Replenishing electrolytes is equally important. Drinks such as lemon water, Oral Rehydration Solution (ORS), and coconut water help maintain the body's electrolyte balance.

She advises avoiding unnecessary outdoor activities between 11:00 a.m. and 4:00 p.m., when the sun is at its strongest. If going outside is unavoidable, wear light-colored cotton clothing to help keep the body cool.

According to Dr. Shazia, water-rich foods such as watermelon, melon, cucumber, tomatoes, oranges, and other seasonal fruits help keep the body hydrated and should be included in the daily diet. On the other hand, excessive consumption of tea, coffee, and soft drinks may contribute to dehydration and should be limited.

She also stresses the importance of taking special care of children and older adults. Children often forget to drink water while playing, and older people may not feel thirsty as often, so they should be reminded to stay hydrated regularly.

Prevention is the Key to Good Health:

With the current heatwave, dehydration has become a common yet potentially dangerous health issue. Water deficiency not only affects daily activities but can also lead to serious health complications if ignored.

Drinking enough water, eating a balanced diet, avoiding excessive sun exposure, maintaining electrolyte balance, and paying attention to the body's warning signs are the most effective ways to prevent dehydration. By adopting these simple habits, we can protect ourselves from the harmful effects of extreme heat and maintain better overall health throughout the summer.