There are many reasons for children to have pus in the ear canal, and the common ones are boils on the external auditory canal, sebaceous cysts and ear fistula.
1. External auditory canal boil: it is an infection of the skin follicles and surrounding tissues in the cartilage part of the external auditory canal, mostly caused by Staphylococcus aureus infection, which manifests itself as ear pain, and the boil is a follicular, inflammatory papule at the initial stage, which gradually spreads to the surrounding area and turns into a hard nodule accompanied by localized redness, swelling, heat and pain, and then the central part of the boil softens and fluctuates in the form of pus in the course of a few days.
2. sebaceous cysts: cysts formed due to the gradual accumulation of sebum in the skin as a result of the blockage of sebaceous gland ducts in the skin, which can occur in the external ear canal, and can be infected by digging in the ear, manifesting itself as a pustule in the ear canal.
3. ear fistula: a common congenital malformation of the outer ear, if the fistula mouth is located in the ear canal, when the fistula secondary infection, the fistula mouth around the redness, swelling, pain, pus and other symptoms, the appearance of the ear canal, such as long pus.
Children’s ear canal long pus may have other reasons, it is recommended to go to the hospital in time, clear cause, active treatment, so as not to delay the condition.