The causes of pimples behind the ears may be acne, folliculitis, sebaceous cysts and so on.
1. Acne: Acne is the result of a combination of factors, including abnormal androgen levels, exuberant sebum secretion, abnormal keratinization of cells around hair follicles, and inflammatory reactions. Acne is characterized by pimples, papules, pustules and nodules on the face, chest and back.
2. Folliculitis: Folliculitis is mainly associated with Staphylococcus aureus, Malassezia, Gram-negative bacteria and other germs, pathogenic organisms invade the skin can secrete inflammatory factors and other biologically active substances, triggering folliculitis. The triggering factors are frequent scratching to stimulate the skin, skin cleaning is not in place. The manifestations are red papules and pustules centered on hair follicles.
3. Epidermal cysts: generally the cause of primary epidermal cysts is unknown, secondary epidermal cysts trauma, friction, surgery and other factors leading to the destruction of the follicle structure, epithelial cells implanted in the dermis growth caused. The manifestation is a smooth cystic mass under the skin, which may have acne-like openings.
It is recommended that patients go to a regular hospital dermatology consultation, under the guidance of the doctor to clarify the disease, targeted treatment, to avoid delay.