Possible causes of arm muscle pain include muscle strain, trauma, bacterial infection, aseptic inflammation, cervical spondylosis, etc. According to the causes, different medications are used for treatment and relief. 1. Muscle strain: strenuous exercise or overwork can lead to muscle strain of the arm, mild cases do not need treatment, adequate rest can gradually ease, serious cases can take oral non-steroidal drugs such as ibuprofen, or choose external drugs such as Yunnan Baiyao cream for external application, to relieve pain symptoms. 2. Trauma: due to falls or violence and other factors can lead to arm soft tissue injuries, fractures, etc., according to the condition of the conservative treatment or surgical treatment, local pain can choose non-steroidal drugs such as ibuprofen, meloxicam, etc., to alleviate the pain symptoms. 3. Bacterial infection: If bacterial infection occurs in the arm, antibiotic treatment should be used as prescribed by the doctor, such as amoxicillin, cephalosporins and other antibacterial drugs, and incision and drainage are needed when there is a serious abscess. 4. Aseptic inflammation: chronic strain injury can cause local aseptic inflammation such as bursitis, humeral epicondylitis, can use ibuprofen, diclofenac sodium and other non-steroidal anti-inflammatory analgesic drugs, the serious can also use lidocaine, prednisolone acetate and other drugs for localized closure therapy. 5. Cervical spondylosis: such as cervical disc herniation, cervical pain and radiating pain on one side of the upper limb due to nerve root compression, you can choose neurotrophic drugs, such as methylcobalamin, vitamin B, etc., to alleviate the symptoms of nerve compression. Patients with arm muscle pain, if the symptoms continue to be unrelieved, they should seek medical attention in time to clarify the cause of the disease and then carry out targeted treatment. The above medications should be used under the guidance of a doctor, to avoid blind use on their own.