Hard lumps like small beans inside the skin of the arm may be lipomas, subcutaneous cysts or infected granulomas, and you can choose temporary observation, medication or surgical treatment, etc. according to different etiologies.
1. Lipoma: usually occurs in the inner skin tissues. Smaller lipomas can be treated without special treatment if the symptoms are not obvious, and regular observation is enough; if it is a larger and fast-growing lipoma, it is recommended to have it removed by surgery as soon as possible.
2. Subcutaneous cysts: the cause of the disease is not clear, it may be related to heredity, congenital developmental abnormality or trauma. Smaller cysts can be treated without special treatment if the symptoms are unknown and painless; if they are serious, it is recommended to remove them surgically as soon as possible.
3. Infectious granuloma: mainly granuloma caused by biological pathogen infection. For bacterial infection, it is recommended to take oral cefixime and cefixime, and apply mupirocin ointment externally; for fungal infection, ketoconazole and ticonazole can be taken orally as prescribed by the doctor; for the granuloma caused by Mycobacterium tuberculosis, it is recommended to take anti-tuberculosis drugs orally, for example, isoniazid, rifampicin, and so on.
If you find a hard lump on your arm, you should consult a doctor in time to clarify the cause of the disease, and use medication under the guidance of the doctor to avoid delaying the condition.