It's very hot. I feel headache and nausea. What's the matter?

Hello: According to your situation, this may be due to the expansion of intracranial blood vessels during high fever, which leads to accelerated blood circulation, accompanied by increased intracranial pressure, headache and nausea.

Suggestion:

Avoid excessive irritation to local skin at ordinary times, take a reasonable rest at the same time, drink plenty of water to prevent electrolyte disorder, avoid overwork and take a proper rest. Accompanied by untimely going to the hospital for regular examination.