Dizziness in the sun may be related to physiological factors, or it may be caused by migraine, insufficient cerebral blood supply, water electrolyte disorders and other reasons.
1. Physiological factors: If the sun is strong in the case of sunbathing, it is easy to lead to transient cerebral vasodilatation, which may cause dizziness. This is a normal phenomenon, through timely change of environment, transfer to the shade, is conducive to relief.
2. Migraine: If there is a history of migraine, after sunbathing, it is likely to cause migraine attacks, which may lead to dizziness, may also be accompanied by headache, nausea and other symptoms.
3. Insufficient blood supply to the brain: When sunbathing, especially when the sun is strong, it leads to the expansion of blood vessels in the body, especially peripheral vasculature, resulting in an increase in the blood allocated to the peripheral vasculature, resulting in insufficient blood supply to the brain in relative terms, which may lead to dizziness.
4. Water electrolyte disorders: in the sun, especially long time sun, easy to cause a lot of sweating, resulting in the body of water, sodium, potassium, etc. are lost, if not in time to replenish water, is likely to cause water electrolyte disorders, may cause dizziness.
A sun on the dizziness, exclude physiological factors, should seek medical attention as soon as possible, clear reasons, give targeted treatment.