For deltoid muscle pain, you can use non-steroidal anti-inflammatory drugs, blood circulation and blood stasis activating drugs, nutritive nerve drugs and so on under doctor’s guidance, which are helpful to relieve the symptoms. 1. Non-steroidal anti-inflammatory drugs: Oral non-steroidal anti-inflammatory drugs, such as ibuprofen, celecoxib, diclofenac sodium, etc., can better eliminate sterile inflammation and relieve pain. 2. Drugs for activating blood circulation and removing blood stasis: Oral medicines for activating blood circulation and removing blood stasis, such as Mai Zhi Ling tablets, etc., can effectively relieve the swelling of soft tissues, and alleviate the pain locally by removing the swelling. 3. Nutritional nerve drugs: Oral nutritional nerve drugs such as methylcobalamin and adenosylcobalamin can help relieve symptoms and promote recovery. It is recommended to use medication under the guidance of a doctor, not blindly self-medication, in order to avoid adverse effects.