I experienced blurry vision, dizziness, and a headache after being out in the sun. Are these signs of a stroke or just common heatstroke? (Hoa, 29, Hanoi)

A 15-year-old boy collapsed during a soccer match in scorching weather, leading to hospitalization with a 40-degree Celsius fever, severe heatstroke, muscle breakdown, and acute damage to his liver, pancreas, and kidneys.

Fearing the season's most intense and widespread heatwave, Hanoi residents are proactively adjusting their daily routines to avoid heatstroke.

Mad, 54, an Australian national, experienced sudden fatigue and shortness of breath after waiting for more than three hours at the airport, diagnosed with heatstroke on a background of hypertension.

Heatstroke, respiratory, and digestive illnesses all surge during hot weather; heatstroke results from excessive body temperature, while respiratory and digestive diseases are caused by viruses, bacteria, or unsafe food and water.

Watermelon juice is rich in vitamins A, B, C, while coconut water contains abundant potassium and sodium, helping to rehydrate and replenish electrolytes, supporting body cooling.

Heatstroke occurs during strenuous activity in hot weather with profuse sweating, while a stroke has a sudden onset and does not cause sweating.