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 Yao Li Qin
Pediatrics
1min 11sec home-news-image

Do babies with roseola fear water?

Roseola infantum is a common pediatric rash disease caused by a viral infection. The main symptoms are a persistent high fever lasting 3 to 4 days, followed by a sudden drop in body temperature and the appearance of a rash. Roseola is caused by a viral infection and is not aggravated by water exposure. During the fever period, if the body temperature is below 38.5°C, it is acceptable to use a warm towel to wipe the child's forehead, neck, armpits, and groin to physically reduce the temperature. At the same time, it is important to ensure that the child drinks plenty of fluids. There is no relationship between roseola and water, and during the period of continuous high fever, it is crucial to keep the child hydrated, as a high fever causes significant fluid loss. Moreover, if the child does not receive adequate fluids, the fever may be difficult to reduce, which is an important point to note. Parents should understand that roseola is not exacerbated by exposure to water.

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Written by Li Jiao Yan
Neonatology
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Process of fever reduction for children with roseola

Infantile roseola, also known as exanthema subitum, is a common acute febrile rash illness in infants and young children. It is characterized by high fever in children under three years old lasting for 3-5 days, followed by a sudden drop in body temperature. Simultaneously, rose-pink maculopapular rashes appear. One distinguishing feature of the fever associated with this illness is that after three to five days of high fever, body temperature generally spikes, then suddenly drops. Typically, within 24 hours, the temperature returns to normal. After the fever subsides or as the body temperature drops, rashes begin to appear on the skin.

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Written by Hu Qi Feng
Pediatrics
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What are the symptoms of roseola infantum?

Roseola infantum commonly occurs in infants under one year old, caused by human herpesvirus type 6 infection. It typically presents with very high fever, with temperatures often reaching 39-40 degrees Celsius, and throat congestion. However, the patient generally remains in good condition without obvious symptoms of infection or poisoning. Blood tests are generally normal, indicating a viral infection. Symptomatic treatment is given, and about three to five days later, the temperature abruptly drops. One to two days after the temperature returns to normal, a red, rose-like rash appears, primarily on the head, face, and trunk, consistent with the clinical manifestations of rash following the resolution of the fever.

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Written by Tong Peng
Pediatrics
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What to do with baby's sudden rash?

If a child develops sudden exanthema, parents need not be overly worried, as this condition is a rash-causing disease due to herpes virus infection and it can heal on its own. Often, the child may experience high fever for three to five days, during which physical cooling techniques and oral antipyretics can be used for symptomatic treatment. It is also appropriate to ensure the child drinks plenty of water and eats nutritious food. Once the fever symptoms alleviate, scattered rose-like rashes may appear on the child's face and trunk, which can fade on their own. During this period, symptoms of indigestion or itchy skin may occur, and taking calamine for itch relief and oral probiotics can help alleviate symptoms of digestive upset. (The use of medications should be conducted under the guidance of a physician.)

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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.