What is the difference between hot flashes and normal heat-related sweating?
Disease description:
My mother has recently been experiencing sudden sweating and her face becomes particularly red. After a hospital checkup, the doctor said it was a hot flash. May I ask what the difference is between hot flashes and normal heat-related sweating?
Doctor's answer (1)
Dr. He Haochen
The differences between hot flashes and normal heat-related sweating are mainly reflected in the timing, amount of perspiration, accompanying symptoms, and causes:
1. **Timing**: Normal heat-related sweating does not occur at a fixed time and is typically triggered by hot weather or physical activity; in contrast, hot flash sweating occurs at specific times, most commonly in the afternoon or evening.
2. **Amount of Perspiration**: During hot flashes, the amount of sweat is usually substantial, whereas in normal heat-related sweating, the amount of sweat is relatively small.
3. **Accompanying Symptoms**: Hot flash sweating is often accompanied by symptoms such as palpitations, fatigue, a red tongue, dizziness, and lightheadedness; normal heat-related sweating generally does not have other明显的 accompanying symptoms.
4. **Causes**: Normal heat-related sweating is a natural bodily response to maintain thermal balance; hot flash sweating, however, may be related to factors such as autonomic nervous system dysfunction and hormonal fluctuations.
