What should I do if the bump behind my ear hurts when I touch it?

A long lump behind the root of the ear hurts when you touch it may be caused by a variety of reasons, such as folliculitis, epidermal cysts, lymphadenitis, etc., according to the cause of the need to choose a different drug treatment or surgical treatment.
1. Folliculitis: a lump behind the ear hurts when you touch it may be folliculitis, folliculitis is generally due to infection with bacteria, fungi and other pathogenic organisms caused by purulent inflammation of the hair follicle mouth, the main drug treatment is based on the topical antibiotic ointment, such as fusidic acid ointment, mupirocin ointment, etc., such as fungal infections can be used to use ketoconazole, terbinafine, and other medications.
2. Epidermoid cysts: the long lumps behind the ear root hurt when touched may also be epidermoid cysts, which can be treated with antimicrobials, such as compound polymyxin B ointment, fusidic acid cream, etc., and surgical excision is needed if necessary.
3. lymphadenitis: behind the ear root long lumps a touch of pain may also be lymphadenitis, chronic lymphadenitis generally do not need treatment, acute lymphadenitis can use penicillin or cephalosporins, such as amoxicillin, cefadroxil and so on.
Patients with pimples behind the ears that hurt when touched are advised to eat a light diet, supplement protein and nutrients, avoid stimulating the painful area, and consult a doctor in a timely manner for professional treatment under the guidance of the doctor.