A red rash on the face due to fever may be caused by diseases such as early childhood emergency rash, rubella and measles.
1. Rubella: The cause of rubella is relatively clear, and it is related to human herpes virus type 6 infection. It starts with a fever, and after the fever subsides, a rash may appear, first on the neck and then spreading to the whole body.
2. Rubella: Rubella is caused by rubella virus infection, mainly including respiratory transmission, mother-to-child transmission, and close contact transmission. Patients may have red maculopapular rash on the head and face, which then spreads rapidly to the trunk and limbs, and can cause fever.
3. Measles: Measles is caused by measles virus infection, which is mainly transmitted through respiratory droplets and direct contact with patients’ respiratory secretions. Measles is contagious, causing high fever, measles mucous membrane spots, a few days later may appear brownish-red maculopapular rash.
The red rash on the face with fever may also be related to other diseases, and it is necessary to go to the dermatology department of the hospital for a clear diagnosis.