Does Kawasaki disease cause a runny nose?

Written by Li Jiao Yan
Neonatology
Updated on March 31, 2025
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Kawasaki disease, also known as mucocutaneous lymph node syndrome, primarily presents with repeated high fevers that do not respond to antibiotics, conjunctival congestion, diffuse oral congestion, chapped and congested lips, polymorphic erythema and scarlatiniform rashes on the skin, and unilateral or bilateral cervical lymphadenopathy. The cause of Kawasaki disease remains unclear, but studies suggest that respiratory or gastrointestinal infections may be common prodromal symptoms, indicating that the onset might be related to infections, though no contagious phenomena have been identified to date. Kawasaki disease might show prodromal signs such as upper respiratory infections, characterized by symptoms like a runny nose and cough, or gastrointestinal symptoms such as diarrhea and vomiting, which suggests that a runny nose might be a manifestation of Kawasaki disease.

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Written by Li Jiao Yan
Neonatology
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Is Kawasaki disease serious?

Kawasaki disease is an etiologically unclear disease with a not well-understood pathogenesis. The principal pathological change involves inflammatory changes in the systemic blood vessels, which can affect the coronary arteries and lead to coronary artery aneurysms and dilation. Kawasaki disease is self-limiting, and most cases resolve well, with recurrences seen in 1-2% of cases. For patients without coronary artery lesions, comprehensive examinations are required 1 month, 3 months, 6 months, and 1-2 years after discharge, including physical examinations, electrocardiograms, and echocardiograms, mainly to assess the heart's condition. If not effectively treated, 15-20% may develop coronary artery aneurysms; such cases need semi-annual or annual medical check-ups. Coronary artery aneurysms often self-resolve within two years post-diagnosis, typically leaving functional abnormalities such as thickening of the vessel wall and reduced elasticity. Major artery aneurysms often do not disappear completely and can lead to thrombosis or narrowing of the vessel lumen. Kawasaki disease is one of the common causes of acquired heart disease in children; therefore, if Kawasaki disease is accompanied by severe coronary damage, it may heal well but could lead to heart disease. If it is not a severe case of Kawasaki disease, timely treatment can still result in a good recovery.

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Written by Li Jiao Yan
Neonatology
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Why do children get Kawasaki disease?

Kawasaki disease has an unclear pathogenesis. It is speculated that it may be related to infections by microorganisms or other pathogens, familial genetic susceptibility, or autoimmune functions. Currently, the entire medical history is unclear, and there is no specific epidemiology identified for the onset of the disease; it can occur in any of the four seasons. The disease primarily affects infants and young children, with about 80% of cases occurring in children under five years of age. The ratio of male to female incidence is approximately 1.5:1. Thus, Kawasaki disease is most commonly seen in infants and young children. Currently, there is no definitive explanation for the mechanism of the disease.

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Written by Li Jiao Yan
Neonatology
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Is IgE high in Kawasaki disease?

Kawasaki disease, also known as mucocutaneous lymph node syndrome, has an unclear pathogenesis. It is speculated that certain components of infectious sources, such as superantigens, can activate CD30 T cells and CD40 ligand expression directly by binding with T cell antigen receptor fragments without going through mononuclear macrophages. Under the induction of carrier cells, there is polyclonal activation and reduced apoptosis of B08 cells, resulting in the production of large amounts of immunoglobulins such as IgG, IgM, IgA, and IgE, and cytokines. Therefore, the IgE levels in Kawasaki disease are elevated.

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Written by Li Jiao Yan
Neonatology
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Does Kawasaki disease cause a rash on the face?

The pathogenesis of Kawasaki disease is unclear, and the main pathological change is systemic vasculitis. Typically, the rash is a polymorphic erythema or a scarlatiniform rash, primarily occurring on the trunk. Generally, facial rashes are rare, but it's not entirely impossible for rashes to appear on the face. Therefore, if a baby develops a rash on the face without other infections, Kawasaki disease might also present this symptom.

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Written by Shi Ji Peng
Pediatrics
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Kawasaki Disease Aspirin Side Effects

Aspirin is necessary for Kawasaki disease. Considering the pros and cons, aspirin must be used in cases of Kawasaki disease, initially in high doses. However, aspirin indeed has side effects. Some say aspirin is contraindicated for children, as its consumption can lead to Reye's Syndrome. This syndrome involves widespread mitochondrial damage following the intake of salicylate drugs during viral infection recovery, posing risks to the liver and brain. Without timely treatment, it could likely lead to liver and kidney failure, brain damage, or even death. Thus, aside from specific diseases, the use of aspirin is strictly prohibited. These specific diseases include Kawasaki disease, rheumatoid arthritis, etc. Therefore, the use of aspirin in Kawasaki disease is necessary, but it can indeed lead to some side effects.