Common causes of a lump behind the child’s ear include lymph nodes, sebaceous cysts, and skin allergies behind the ear.
1. Lymph nodes: lymph nodes are part of our body’s immune system, spread throughout our body tissues such as behind the ear, behind the neck, under the jaw, etc., under normal circumstances, it is not touchable, in the case of pathogenic microbial infections, malignant tumors, and other factors that can lead to lymph nodes occurring in acute and chronic inflammation, the feeling of pimples like touch.
2. Sebaceous cysts: As the sebum secreted by the sebaceous glands behind the ear cannot be discharged smoothly, the channel is blocked, and the cysts can be infected secondary to the phenomenon of redness, swelling, heat and pain, and in severe cases, pus may break out.
3. Skin allergy behind the ear: due to environmental, dietary and other factors can cause skin allergies, manifested as redness, swelling, itching, repeated allergies when the skin can be proliferative thickening, visible as a pimple, the child will be repeatedly scratching, crying and so on.
The child’s ear a pimple may also be and mosquito bites and other factors, it is recommended that timely to the hospital for relevant examinations, clear causes and then actively treat the symptoms.