1.Common causes There are two major categories of causes of rhinorrhea in children. Local causes and systemic causes. Local causes are mainly trauma, inflammation of nasal cavity and sinuses, nasal septal diseases such as deviated septum, etc. Systemic causes such as acute febrile infectious diseases, cardiovascular diseases, blood diseases, nutritional disorders or vitamin deficiency, liver and kidney diseases, endocrine disorders, hereditary capillary dilation.
2, nasal bleeding stop bleeding method Small amount of nasal bleeding can be stopped by pinching the nasal pressure, usually pinching for 5 to 10 minutes. The bleeding can also be stopped by applying cold water or wet towels to the forehead or neck. Bleeding can be stopped by filling the nasal cavity with ephedrine or epinephrine cotton pads. For recurrent small amount of bleeding in the intra-nasal vein can also be stopped by applying medication or laser cautery. For larger bleeding that cannot be easily stopped, petroleum jelly gauze or gelatin sponge can be applied to stop the bleeding. Depending on the site of bleeding, anterior nostril stuffing or posterior nostril stuffing can be chosen.