How does day heat giddy return a responsibility?

summary

Many people in life will encounter the phenomenon of dizziness, many people are very special, a hot day on dizziness. In fact, dizziness has a great impact on us. Some people with serious dizziness can't live and work normally. However, although many people suffer from this phenomenon of dizziness, they can't find the reason. Today, I'll tell you how dizziness happens in hot weather.

How does day heat giddy return a responsibility?

First: people are used to drinking cold drinks in summer. Although cold drinks are sweet and refreshing, some people can have a headache after drinking. This is because the hot oral cavity and force mucous membrane can't stand the sudden stimulation. This stimulation causes the vasospasm under the force mucous membrane. At the same time, the reflex causes cerebral vasospasm for a short time. However, it will make the brain can't bear the sudden blood disconnection, and can't make the stress reaction quickly, so it makes people have a headache. This kind of headache is called cold drink headache.

Second: in summer, the temperature is high and the heat is pressing. The human body sweats a lot in order to cool down. At this time, if water is not replenished in time, the blood volume of the human body will be reduced, and the brain will have a headache due to insufficient blood supply. In addition, when the human body perspires, the blood vessels on the body surface dilate and the blood flows from the inside to the outside. The redistribution of blood will make the blood pressure of people with low blood pressure lower, resulting in headache, which is called intracranial pressure or hypotension headache in medicine.

Third: people often have a headache in summer due to poor sleep, weak spleen and poor appetite. This kind of headache is caused by poor cultivation, low blood sugar, resulting in brain lack of necessary energy and headache.

matters needing attention

Specific reasons, but also need to combine personal age, onset time, and physical condition, after the relevant examination, can be diagnosed, it is recommended that you can go to the hospital to check, as soon as possible to clear the cause, symptomatic treatment