Is it dangerous for a long time to have a fever, or to be tired and vomit a lot?

Question
Hello doctor, the doctor asked me, Is it dangerous to have a fever for a long time, or to be tired, when I am well, when I am tired, if I vomit a lot, is it dangerous and is it related to the fever? I hope the doctor can help.
Nguyen Thi Bao Vy (2004)
Reply
Hello. Fever is a symptom of an illness. When fever dilates blood vessels causing headaches, muscle aches, dehydration, electrolyte loss, so you will be very tired. Whether you have a fever for a long time is dangerous or not depends on the cause of the fever. Therefore, you need to visit an infectious disease specialist or General Internal Medicine to be diagnosed, consulted and treated by a Doctor.
CKI Doctor Nguyen Hong Phuc - Emergency Resuscitation Doctor - Emergency Resuscitation Department - Vinmec Phu Quoc International General Hospital

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