What are the symptoms of dengue fever?

The main symptoms of dengue fever are as follows:

Preliminary examination shows chills, fever (mostly high fever after chills, which can rise rapidly in a short time, usually lasting for 5-7 days, and sometimes low fever), severe headache, severe joint pain, loss of appetite, nausea, vomiting, abdominal pain, diarrhea, and rash (maculopapular rash or measles-like rash, scarlet fever-like rash, red maculopapular rash, and even hemorrhagic rash). All over the body, usually lasting for 5-7 days), lymph node enlargement, bleeding (only seen in some patients), hepatomegaly, jaundice and other symptoms. In severe cases, delirium, coma, convulsions, sweating, sudden drop in blood pressure, stiff neck and dilated pupils occur. In addition, in routine blood examination, white blood cells, neutrophils, platelets and so on decreased.