Fatigue can signal dehydration - Gazeta Express
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Medical Advice

Express newspaper

23/04/2026 21:43

Fatigue can signal dehydration

Medical Advice

Express newspaper

23/04/2026 21:43

Feeling sluggish and tired can be more than just a lack of energy — according to doctors, it can be a sign of a common condition like dehydration, especially during the warmer months.

According to Dr. Barbara Kubicka, feeling thirsty is one of the most obvious signs of dehydration, along with dry mouth and lips, darker urine, and less frequent urination. In more severe cases, dizziness, confusion, and lack of energy can also occur.

She explains that during hot weather, the body loses more fluids through sweating, so a higher water intake is needed to compensate for this loss. In addition, high temperatures cause blood vessels to dilate, which can easily lower blood pressure and lead to feelings of weakness or fatigue if we are not sufficiently hydrated.

"Often, people attribute fatigue to other factors, without realizing that it could simply be dehydration," she points out.

It is recommended that an adult consume an average of about two liters of water per day, although this amount varies depending on body weight, physical activity and other factors. According to the doctor, a guideline is about 30 ml of water per kilogram of body weight per day.

An effective way to stay hydrated is to always keep water close by and drink regularly throughout the day. Also, hydration comes not only from drinks, but also from water-rich foods such as cucumber, watermelon, celery, zucchini, and cabbage.

The expert advises avoiding caffeinated and alcoholic beverages as a source of hydration, as they can increase fluid loss. If consumed, they should be compensated for with more water.

The message is simple: if you feel tired or lack energy, especially on hot days, don't ignore it — it could be a signal that your body needs more water. /GazetaExpress/

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