A pimple on the knee may be caused by folliculitis, contact dermatitis, eczema and other diseases.
1. Folliculitis: Bacterial infection of the skin on the knee area causes inflammation of the hair follicles and their surrounding tissues, resulting in inflammatory pimples and pustules, which may be manifested as a patch of pimples on the knee.
2. Contact dermatitis: contact with sensitized clothing or detergents in the knee area may cause an allergic reaction of the skin in the knee area, resulting in erythema, pimples, itching, and a patch of pimples on the knee area.
3. Eczema: the cause is not known, is internal and external factors lead to inflammatory skin diseases, often manifested as erythema, papules, papules, can be accompanied by intense itching, etc., can occur in the knee joints, so that the local phenomenon of pimples.
It is recommended that patients with a patch of pimples on the knee go to a regular hospital in time to clarify the cause of the disease and then give targeted treatment.