There has always been a pimple behind the ear. Recently, it has grown up and turned black. It hurts a little when touching. May I ask your doctors what is this pimple? Is further examination necessary? thank you!
This case is considered sebaceous cyst. You can go to the hospital for a B-ultrasound to help diagnose. If there is no obvious feeling now, you can continue to observe. Later, if it is found that it grows faster or often has redness, swelling and pain, it can be surgically removed.
It seems to be the result of infection, so this phenomenon will appear. It is generally related to bacterial infection. You can apply some anti infective drugs after disinfection. In terms of diet, we also need to focus on light diet and avoid eating some spicy and stimulating things, which will generally improve to a certain extent.
From the picture symptoms, such as the situation caused by sebaceous gland cyst, it is suggested to apply erythromycin ointment or ichthyol ointment and take oral antibiotics for treatment. The daily diet should be light, avoid spicy and irritating food and stay up late. If you smoke and drink, you should avoid it.