What are the symptoms and treatments of heatstroke?

After heatstroke, fever, thirst, fatigue, dizziness, headache, muscle spasms, cold limbs, pale face and other symptoms, severe patients can appear convulsions, coma and other symptoms. If not treated in time, life may be dangerous, immediately use electric fan or air conditioning to cool down, timely supplement light salt water, with warm water of 30℃ for shower.