How many days does the rash usually subside in young children with sudden onset?

Written by Yan Xin Liang

Pediatrics

Updated on September 19, 2024

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How many days does it take for infantile roseola to fade?

Typically, infants with roseola may experience a fever for three to five days, followed by the appearance of the rash, which usually lasts about three days. After the rash fully emerges, it will gradually fade away.

Therefore, the rash from infantile roseola might appear as red, rose-like rashes, spreading across various parts of the body. It usually starts to subside slowly after 2 to 3 days, leaving no marks or skin scars. Unlike measles, where the skin can feel rough, pitted, or flaky after the rash subsides, the skin surface after recovering from roseola is very smooth, leaving no traces.

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Written by Li Jiao Yan

Neonatology

1min 22sec

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Do infants with roseola feel itchy?

Toddler rash, also known as roseola infantum, is a common acute febrile rash skin disease in infants and young children. It is characterized by a sudden drop in body temperature after high fever for 3-5 days in infants and young children under three years of age, accompanied by the appearance of rose-red maculopapular rashes. The distinctive feature of these rashes appears concurrently with the subsidence of the fever or after the fever has subsided, mainly concentrated on the trunk, head, and neck, with fewer occurrences on the limbs. There are usually no rashes below the elbows and knees or on the palms and soles. The rash fills up within 24 hours, and starts to fade 1-2 days later without leaving any pigmentation or scaling. The rash in toddler exanthem does not cause significant itching, and does not leave pigmentation or scaling after it subsides. Therefore, during the rash period of toddler exanthem, if the child is crying and restless, it may be related to the high fever. Parents should generally avoid scratching the rash for the baby to prevent skin damage and secondary bacterial infections.

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Written by Yan Xin Liang

Pediatrics

38sec

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Should children with roseola avoid certain foods?

Roseola in infants is an acute febrile and rash disease, caused by human herpesvirus type 6 or 7. The fever usually lasts 3-5 days, with high fever as the main symptom. During this period, infants may also experience other symptoms such as decreased appetite, vomiting, or diarrhea, which can affect the function of the digestive system, leading to indigestion. It is recommended that the diet be light and easy to digest, avoiding spicy, stimulating, and greasy foods, as these are not conducive to digestion nor beneficial for recovery from the illness.

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Written by Yan Xin Liang

Pediatrics

1min 14sec

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What to do with sudden rash in toddlers?

Roseola in infants is an acute febrile infectious disease caused by human herpesvirus type 6 or type 7. During the acute phase, this disease often presents with a sudden high fever, with temperatures reaching up to 39°C (102.2°F), and even exceeding 40°C (104°F). The fever usually lasts for 3-5 days. During this time, it is important to monitor the baby's temperature closely. If a high fever occurs, timely antipyretic treatment should be administered to prevent potential high fever convulsions. Attention should also be given to the baby's mental response; if the baby appears lethargic and the fever persists, symptomatic treatment should be provided promptly. It is also crucial to be vigilant for any potential complications. Most children with roseola will develop a rash after 3-5 days of fever, which lasts about two days. If there are no complications, they can generally recover. Therefore, there is no need to be overly anxious if a child contracts roseola, as it is a self-limiting disease that typically resolves within 5-7 days.

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Written by Yao Li Qin

Pediatrics

1min 20sec

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Do infants with sudden rash need to take medicine?

Childhood rash illness is a common pediatric acute fever caused by herpes simplex virus types 6 and 7, characterized by a high fever lasting three to four days, followed by the appearance of a rash after the fever subsides. The treatment mainly involves symptomatic management. When a child's body temperature exceeds 38.5°C, antipyretic medications such as acetaminophen and ibuprofen suspension can be administered. It is also important to ensure the child stays well-hydrated. Before the rash appears, it is not certain that it will occur. For most children who have been confirmed through a blood test to have a viral infection, antiviral medications might sometimes be administered. However, these medications ultimately do not shorten the duration of the illness. Once the child has been feverish for three days and the rash appears, no further medication is typically necessary; just ensure the child drinks plenty of fluids. The rash usually spreads within about two days and then quickly fades. (Please administer medication under the guidance of a professional physician.)

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Written by Yao Li Qin

Pediatrics

1min 11sec

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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.