Rib pain in the armpit 10 centimeters down can be treated symptomatically or causally, and common causes include intercostal neuritis, rib tumor, rib fracture and so on. 1. Symptomatic treatment: mainly rest, pain relief, physical therapy and other treatments, pain medications are often used non-steroidal anti-inflammatory drugs, such as ibuprofen, celecoxib, etc. Physical therapy includes ultrashort wave, infrared polarized light, physical factors and other auxiliary treatments. 2.Causal treatment (1) Intercostal neuritis: mostly due to trauma, viral infection, etc. Nutritional nerve drugs, such as vitamin B12, methylcobalamin, etc., can be used, and antiviral drugs, such as acyclovir, ganciclovir, etc., can be used if it is caused by viral infection. (2) Rib tumors: benign rib tumors, such as osteoblastoma, osteochondroma, etc., should be surgically removed in time. Malignant rib tumors, such as osteosarcoma, malignant myeloma, etc., need to be treated according to specific clinical stages, including surgery, radiotherapy, chemotherapy, etc. (3) Rib fracture: the main treatments are braking, immobilizing the thorax, preventing complications, etc., and clearing respiratory secretions in time to prevent lung infection. When there is rib pain 10 centimeters down from the armpit, it is necessary to go to the hospital in time, and after the doctor clarifies the cause of the disease through examination, the corresponding treatment will be carried out, so as to avoid delaying the treatment.