How to avoid roseola in toddlers

Written by Yan Xin Liang
Pediatrics
Updated on May 26, 2025
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For the prevention of baby rash, first, try not to take the baby to visit others or go to public places, as public places have a high density of bacteria and viruses in the air. This can significantly increase the possibility of the baby contracting diseases. Second, the baby's diet should be regular. After introducing solid foods, it's important to ensure a regular intake of vegetables to promote healthy growth and development. A well-nourished baby will naturally have a stronger body and better disease resistance. Third, strengthen care to avoid catching colds, as a cold can decrease the baby's immune function, making it easier for them to catch bacterial and viral infections.

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Written by Gong Hui
Pediatrics
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What age do children typically get roseola?

Exanthem subitum in infants is a viral infectious disease caused by human herpesvirus type 6 and type 7. Newborns initially acquire protective antibodies from their mothers. Generally, after five to six months, as antibody levels decrease, the likelihood of contracting a virus such as human herpesvirus increases. The peak age for contracting exanthem subitum is between six months and two years, although this can vary. Children aged three to four, who have not contracted exanthem subitum or the human herpesvirus before the age of two, can still contract the disease.

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Written by Li Jiao Yan
Neonatology
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Regular fever pattern in children with roseola

Roseola infantum, also known as baby rose rash, is a viral infection primarily caused by human herpesvirus, leading to a feverish rash disease. The fever often begins suddenly without clear signs, potentially reaching high temperatures of 39 to 40 degrees Celsius. Typically, the fever lasts 3-5 days, after which the temperature might drop suddenly, possibly returning to normal within 24 hours. As the fever subsides, or shortly thereafter, maculopapular rashes appear, mainly on the face, neck, and trunk.

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Written by Yan Xin Liang
Pediatrics
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What should be paid attention to regarding breastfeeding for children with roseola?

Roseola infantum, also known as exanthem subitum, is an acute febrile infectious disease caused by human herpesvirus type 6 or type 7. The main clinical manifestation is a sudden high fever that typically resolves after 3 to 5 days, followed by a rash. The rash, usually a skin rash, dissipates after about 2 days. If the child is breastfed, breastfeeding can continue. However, since it is a viral infection causing the fever and rash, the mother should consume a light and easily digestible diet to avoid burdening the baby's gastrointestinal tract. In addition, it is beneficial for the baby to drink plenty of warm water to aid in recovery from the illness.

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Written by Yan Xin Liang
Pediatrics
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Can infantile roseola recur?

Exanthem subitum (roseola infantum) is a common acute febrile rash disease in infants and young children, caused by human herpesvirus type 6 or 7. The main characteristic is that three to five days after the onset of fever, the fever suddenly drops, and rose-pink maculopapular rashes appear on the skin, easing the condition. If there are no complications, recovery is usually rapid. After contracting exanthem subitum once, most children acquire immunity and it is rare for them to experience it a second time. However, if a child has an immune deficiency or low immune function, there is still a possibility of contracting exanthem subitum again.

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Written by Yan Xin Liang
Pediatrics
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Can children with roseola be exposed to wind?

Pediatric emergency care for young children involves dealing with acute viral infections causing feverish illnesses, where the fever can persist for 3 to 5 days. During this period, if going outside, it's important to keep warm to prevent further worsening of cold symptoms. Therefore, appropriate protective measures should be taken when going out. As for exposure to the wind, a slight breeze isn't usually a major issue, especially after the body temperature has peaked - a bit of wind is generally harmless. However, during the rising phase of body temperature when the hands and feet are cold, exposure to wind can cause the baby to experience further symptoms of cold aversion, which is detrimental to the baby. Therefore, it is still important to take protective measures and avoid wind exposure as much as possible.