Why do children frequently experience nosebleeds?
Nosebleeds (epistaxis) occur when nasal mucosal blood vessels rupture due to various causes, resulting in blood flowing out through the anterior and posterior nasal openings. In most cases, nosebleeds are triggered by dry air, nasal mucosal dryness, nose-picking, or forceful nose-blowing. So, what causes recurrent nosebleeds in children? Below, we address this question.

What Causes Recurrent Nosebleeds in Children?
1. Trauma
Nasal trauma typically refers to injury caused by external forces—including nose-picking, violent sneezing, sudden changes in atmospheric pressure, or direct impact to the nose—which can damage nasal mucosal blood vessels and lead to epistaxis. Additionally, vitamin deficiencies and poor environmental conditions (e.g., excessively dry or polluted air) may also contribute to nosebleeds in children. Therefore, preventive measures include maintaining adequate indoor humidity, preventing common colds, and discouraging children from picking their noses.

2. Excess Heat (“Shang Huo”)
In Traditional Chinese Medicine (TCM), the nose is considered an orifice of the Lung. Nasal disorders are therefore often associated with imbalances in the Lung and Liver. When Qi and blood rise excessively—particularly when Lung Qi becomes overheated—nosebleeds may occur. Accordingly, daily dietary management should emphasize heat-clearing and fire-subduing principles: spicy foods should be minimized, and factors contributing to Lung-heat accumulation should be avoided. Moreover, severe hematologic disorders—such as immune thrombocytopenic purpura (ITP)—can cause bleeding in the skin, mucosa, internal organs, or other tissues. If a child experiences recurrent nosebleeds, prompt medical evaluation and treatment are essential.

3. Nasal Inflammation
Some children suffer from nasal mucosal dryness, which leads to capillary dilation. Subsequently, even mild nasal inflammation or irritation may trigger epistaxis. Conditions such as rhinitis, sinusitis, nasal tuberculosis, or deviated nasal septum predispose children to recurrent nosebleeds. Furthermore, thrombocytopenia impairs hemostasis by delaying coagulation, enhancing fibrinolysis, and increasing vascular permeability—thereby promoting persistent or excessive bleeding.
The above outlines the main causes of recurrent nosebleeds in children. We hope this information proves helpful.