26/05/2026
Staying hydrated during hot temperatures is critical because heat significantly increases fluid loss through sweat. By the time you feel thirsty, your body may already be mildly dehydrated.
To effectively manage fluid intake during high heat:
Drink regularly: Aim to drink water before you feel thirsty. A common guideline is to drink roughly 1 cup (8 ounces) every 15–20 minutes when working or exercising in heat.
Monitor urine color: A reliable way to check hydration status is by the color of your urine; it should ideally be a pale lemonade shade or clear. Dark yellow urine is a classic sign of dehydration.
Incorporate water-rich foods: About 20% of your water intake can come from food. Focus on fruits and vegetables like watermelon, cucumbers, strawberries, oranges, and celery.
Replenish electrolytes: If you are sweating heavily for more than an hour, plain water may not be enough. Sports drinks or electrolyte-enhanced beverages help replace lost minerals like sodium and potassium.
What to Avoid
Diuretics: Limit beverages that can increase fluid loss, such as alcohol and highly caffeinated drinks like coffee or energy drinks.
High-sugar drinks: Sugary sodas and juices can sometimes worsen dehydration.
Overhydration: Avoid consuming large amounts of water in a short period without electrolytes, as this can lead to low salt levels in the blood.
Recognizing Dehydration Symptoms
Watch for early signs, including headache, fatigue, dizziness, dry mouth, irritability, or muscle cramps. If these occur, move to a cool area and sip fluids slowly. Seek immediate medical attention for severe symptoms like fainting or extreme confusion.