Fever with a rash


Fever with a rash is found in the known teething problems like measles, chickenpox, scarlet fever and rubella. The diseases are caused by viruses and bacteria and transmitted via droplet infection, that is, sneezing and coughing. Some of the highly contagious diseases can also be transmitted via the hands. The well-known, highly contagious childhood diseases can only appear in adulthood.

These diseases cause fever and rash in the child

These diseases cause fever and rash in adults

Known teething such as measles, ringed rubella, rubella, scarlet fever, chickenpox, hand-foot-mouth illness or hives also in adults occur.

Test cause of fever

Do you have a fever and want to find out what could be the cause of your illness? Take part in our self-test and answer the following 10 short questions.


The most diseases, the with fever and rash go hand in hand caused by viruses or bacteria.
The following diseases are from virus caused. For the Dreitagefieber the herpes viruses HHV 6 and 7 are responsible for measles the measles virus and for Fifth disease the parvovirus B19. The Rubivirus is causing rubella, while varicella zoster viruses for chickenpox and shingles are responsible. The Hand, foot and mouth disease, also called foot-and-mouth disease, is caused by the Coxsackie virus and enteroviruses. The whistling glandular fever is caused by the Epstein-Barr virus and the tropical disease Dengue fever by the dengue virus.

You can read more about the viral rashes here: Rash in three-day fever, Rashes of ringlet rubella, Rash with chickenpox or Rash in Pfeiffer’s glandular fever

Of bacteria Illnesses caused by scales and fever are for example Scarlet fever or Borre lots. Scarlet fever is caused by Streptococcus pyogenes, syphilis through Treponema pallidum and Lyme disease through Borrelia burgdorferi.

You can read more about the skin rashes caused by bacteria here:Rash with scarlet fever or Skin rash after tick bite

The hives (Urticaria) can also be associated with a rash and fever. Different bacteria and parasites can be responsible for this. In some cases it stays root cause for hives unknown.


The diagnosis of the cause of fever with a rash is usually made purely clinical because the rashes are all characteristically different. It is important to localize the rash, when it occurred and of course how old the affected person is.
To confirm a suspected infection, you can take a blood sample and the white blood cell count, so determine the value of white blood cells. If there is leukopenia, a lack of leukocytes, an infection is very likely. However, this is usually not necessary, since the diagnosis is fairly certain without taking blood.
To identify a specific pathogen as confirmation, you can use the Antibodies in the serum against the specific pathogen that is suspected.

You might also be interested in this topic: How can I tell if my fever is contagious??


Because a rash with a fever can have a variety of causes, Therapy depends on the underlying problem. If a bacterium is the trigger, it can be treated with antibiotics. It becomes more difficult with viral pathogens because there is no specific therapy against these viruses; symptomatic treatment is given. This means that symptoms like fever are fought individually and not the pathogen itself. But this is not a bad thing, since viral diseases usually limit themselves and heal on their own.


The three-day fever (exanthema subitum, Roseola infantum) is one highly contagious disease, the especially infants and toddlers concerns. Nevertheless, the three-day fever can also occur in older children, adolescents and adults. The disease is caused by the Herpes viruses HHV6 and 7 (human herpes viruses). It can take 7 to 17 days between the time of infection and the onset of the disease.

You can find more on this on our website Rash in three-day fever

accompanying symptoms in three-day fever

The three-day fever typically lasts three to five days long on. The three-day fever starts then with a febrile phase of illness. At this stage you can difficulty breathing, to cough and Gastrointestinal complaints how diarrhea and vomiting occur. It is important to ensure that those affected, especially if they are babies or children, drink enough liquid, because a lot of fluid is lost in the case of diarrhea. After the fever has subsided imagines skin rash that is typical of the disease.
The rash (Exanthem) is often seen on the abdomen, chest, move and can spread to the arms and legs, rarely even to the face and scalp. The rash arises feinfleckig, light red the rash disappears after about three days. Many infants and toddlers are stricken and extremely uncomfortable a few days after the symptoms have subsided. The runs alongside Illness in many children without symptoms and unnoticed. The three-day fever leaves one lifelong immunity. Second illnesses are very rare.

Duration of the three-day fever

Until the outbreak the disease usually passes 7 to 17 days. The three-day fever initially manifests itself in the form of a characteristic, intense fever phase that lasts for three to five days. The typical forms after the fever phase rash from that too for about three days consists. As a result, there is usually a three-day fever phase followed by a three-day rash. Overall, this means that the three-day fever in For an average of six to eight days stops. The prognosis is good and the children recover quickly from the illness. In many children, the three-day fever is even asymptomatic and unnoticed.

Test cause of fever

You have a fever and want to Experienced, what could be the cause of your illness? Take part in our self-test and answer the following 10 short questions.

Further information

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Christina Cherry
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