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  1. Sep 7, 2021 · 1. You have a fever. A fever is a key sign that rash should be looked at by a doctor. It could be a sign of an allergic reaction. A fever along with your rash could also indicate an infection such as:

  2. Apr 5, 2024 · Rash After Fever in Roseola. Roseola usually causes a high fever that lasts about three to five days. The fever can reach temperatures as high as 103 to 105 degrees. Just as the fever breaks, a rash usually forms on the trunk. The rash then spreads to the arms, legs, neck, and face. The rash usually appears as pink or red spots on light skin.

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  4. Sep 30, 2015 · Measles rashes: Measles is a representative infectious disease with a skin rash. The rash starts from behind the ears and progresses to the face, followed by the neck, torso, and extremities over the course of 2-3 days. The disease shows a characteristic course in that the fever disappears when the rash stops evolving.

    • Jin Han Kang
    • 2015
    • Fifth disease. A virus called parvovirus B19 causes a common childhood infection called fifth disease. Doctors may also call it “slapped cheek” disease because the rash often causes a red or darker patch on the cheek.
    • Roseola. A type of virus in the herpesvirus family causes roseola infantum, producing a rash that presents as small flat spots or tiny bumps. A halo of slightly lighter or paler skin may surround some of the bumps.
    • Chickenpox. A virus called varicella-zoster causes chickenpox. Most children now get the chickenpox vaccine, which is very effective, but some will still get the virus.
    • Scarlet fever. Scarlet fever occurs due to a group A Streptococcus infection, such as strep throat. Strep is a bacterial infection, and people usually get sick within a few days of infection.
    • Measles. Share on Pinterest. Measles is a highly contagious viral infection. It can cause many symptoms, including a rash that starts on the face and spreads to the body.
    • German measles (rubella) Share on Pinterest. Rubella is a viral illness that causes a rash on the face that spreads to the rest of the body. Akkalak Aiempradit/Shutterstock.
    • Mononucleosis (mono) Infectious mononucleosis is caused by the Epstein-Barr virus (EBV). This virus is common in teenagers and young adults but can occur at any age.
    • Chickenpox. Chickenpox, caused by the varicella-zoster virus, causes a rash with fluid-filled pustules. This virus is highly contagious to those who have not been vaccinated.
  5. Oct 1, 2023 · If you have a fever of 100 degrees Fahrenheit or higher, there’s a good chance your body is fighting something off. But when you combine that fever with a rash, it narrows the list of possible infections.

  6. Mar 25, 2024 · “Exanthem'' simply means a rash or eruption on the skin. Viral rashes cause pink or red spots, often accompanied by fever, headache, and fatigue from the virus. There’s little that healthcare providers can do to treat a virus and the accompanying rash, but most resolve on their own fairly quickly.