There is a painful lump under the neck near the ear when pressed.

A lump appearing below the neck and ears, accompanied by tenderness upon pressure, may be caused by acne, lymphadenitis, thyroid nodules, or other factors. A detailed analysis is as follows:

1. Acne

This condition results from excessive sebum production by sebaceous glands, leading to clogged pores in the affected area. In severe cases, relatively hard lumps may develop. Under a doctor's guidance, antibiotic medications with anti-inflammatory effects can be used, such as erythromycin ointment, fusidic acid ointment, or 1% clindamycin hydrochloride solution. Oral medications such as doxycycline tablets, minocycline tablets, or methacycline tablets may also be prescribed for treatment.

2. Lymphadenitis

Lymph nodes are part of the body's immune system. When the body experiences infection or inflammatory stimulation, the lymph nodes may swell and form painful lumps. Local warm compresses can help alleviate symptoms. Antibiotic therapy is often necessary, using medications such as cephalexin tablets, roxithromycin tablets, or penicillin G sodium tablets.

3. Thyroid Nodules

The thyroid gland is an endocrine organ. When nodules develop in the thyroid, they can cause lumps in the lower neck area, sometimes accompanied by pain. Surgical intervention may be required depending on the severity.

In addition, lipomas could also be a possible cause. It is important to note that different underlying causes require different treatments. Patients are advised to seek timely medical evaluation at a hospital, undergo appropriate diagnostic tests, and receive targeted treatment accordingly.