8 Causes of Rashes after Fever in Baby


Fever is the body’s natural response as a form of defense against infection. Usually the fever will heal by itself within a few days.

However, if the fever causes the baby’s temperature to be more than 38.8 degrees Celsius for more than a day, you should contact your doctor immediately.

However, there is no harm to try several quick ways to get a fever down without medicine.

Rashes appear as a result of skin irritation caused by allergic reactions to food, bacteria, viruses, and so on. Rashes are not always a sign of something dangerous. If a baby is in good health and shows no other symptoms, you do not have to worry. Usually rashes will disappear by itself without treatment.

However, if rashes appear along with symptoms such as vomiting, fever or difficulty breathing, immediately take your baby to the doctor. The doctor will observe the rash that occurs in your baby. Since there are many causes of a rash, it will take time for you to get the explanation you are looking for.


Here we will try to look at some possible causes of rashes after fever in baby.

1. Roseola

Roseola is a common virus that attacks babies and children under two years of age. The virus is human herpesvirus 6 or sometimes human herpesvirus 7. In most cases, children will get better on their own. The symptoms of roseola are as follows:

  • A high fever (38.8 – 40.5 degrees Celsius)
    Usually lasts for 3 – 7 days. Fever is often accompanied by :
  • Cough
  • Runny nose
  • Diarrhea
  • Loss of appetite
  • After the fever disappears, a rash appears on the neck, chest, abdomen, back.
    Rash usually lasts for several hours or several days.

Normally roseola will disappear by itself. Doctors only give medicine to relieve the symptoms. Because roseola can be contagious, your doctor will advise you to minimize contact between your baby and other children.

2. Hand, Foot and Mouth Disease (HFMD)

HFMD appears as a result of infection by virus. HFMD is common in childhood. The symptoms are :

    • Fever
    • Sore throat
    • Loss of appetite
      A few days after the fever,
    • Wounds appear around the mouth
    • Rash appears on hands and feet

Sometimes rash also spreads to the buttock and genital area

HFMD usually will disappear by itself within a week. Treatment is given only to relieve the symptoms.

3. Fifth Disease

Fifth disease is one of the most common infections in childhood caused by parvovirus B19. The symptoms are :

  • Mild fever
    Cold-like- symptoms, such as :
  • Runny nose or nasal congestion
    You must learn some home remedies for children running nose
  • Sneezing
  • Sore throat
  • Cough
  • A week after fever, rash appears on the cheek
  • Rash can spread to the chest, abdomen and back

In most cases, the fifth disease will disappear by itself. But if symptoms worsen, call your doctor immediately.

4. Dengue Fever

Dengue fever is transmitted through the bite of Aedes mosquitoes. If not handled properly, dengue fever can cause death. There are three phases in dengue fever that need serious attention.

  • The first phase of dengue fever is a high fever that exceeds 38 degrees Celsius. Fever may last for 3-4 days.
  • The fever then drops dramatically so that the body temperature returns to normal (36.5 – 37.2 degrees Celsius) or below normal. When the patient is in this phase, the blood vessels are dilated causing the appearance of rash or red spots on the skin.
    The appearance of rash must be watched carefully. Rash is a sign that the patient is in a critical phase. The patient must get medical intervention quickly and accurately. This critical phase can last less than 24 hours or up to 48 hours.
  • The end of the critical phase is marked by an increase in body temperature for the second time. In this last phase the rash will begin to disappear.

By getting the right treatment, dengue fever can be cured without leaving any residual symptoms.

5. Chikungunya

Dengue fever and chikungunya are two similar diseases but not the same. Both are caused by viral infections and are spread through the bite of Aedes mosquitoes. Symptoms usually appear 3 – 7 days after the bite of the mosquito. However, chikungunya has different symptoms from dengue fever. The symptoms of chikungunya are :

  • Fever
  • Joint pain
    Both are the main symptoms of chikungunya.
    Other symptoms include :
  • Muscle pain
  • Joint swelling
  • Headache
  • Rash

Most patients will get better on their own. Treatment is only given to relieve the symptoms. Although chikungunya rarely causes death, its symptoms can worsen and cause paralysis.

6. Allergic Reactions

It is one of common causes of rashes after fever in baby. Everyone has different allergic reactions. However, the most easily identified allergic reaction is the appearance of rashes and itching of the skin. For example, the case of a baby who is allergic to certain types of milk. Most likely the baby will develop a rash that then becomes a bright red spots. Just in case, there are some ways how to cure a rash on your stomach.

7. Measles

Measles is a disease caused by a viral infection which is common in childhood. Symptoms of measles usually appear 10 – 14 days after infection. The symptoms are :

  • Mild to moderate fever
  • Cough
  • Runny nose
  • Sore throat
  • Inflamed eyes
    These symptoms can last two to three days.
  • Then comes the rash on the face
  • Rash will spread to the hands, body and legs
  • At the same time high fever occurs (40 – 41 degrees Celsius)
  • Rash will disappear gradually from face to feet

Treatment is only given to relieve the symptoms. However, measles can be prevented by vaccination. If you have had measles, you will not get infected for the second time because your body already has antibodies for measles.

8. Chicken Pox

Chicken pox is a disease caused by a varicella zoster virus infection that makes the sufferer has itchy, blister-like rash on the skin. The initial symptom of chicken pox is a fever which is then followed by the appearance of red spots on the skin. Within a day or two, these spots will enlarge and contain water in them, forming blister. Usually the fever will drop by itself. Within about 48 hours, the blister will erupt and begin to dry out.

The sufferers will get better on their own within a week or two. Treatment is given only to relieve symptoms. Nevertheless, chicken pox can be prevented by vaccination. By the way, it’s good for you to know a few traditional ways to cure chicken pox fast.

Well, that’s some of the possible causes of rashes after fever in baby. In general, rash does not harm the baby and will disappear by itself. But if your instinct says there is something strange or wrong, call your doctor immediately.

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Kategori : Children Health