Shoulder swelling usually has two conditions: 1, muscle inflammation or strain-induced swelling. If you want to reduce the swelling, you can apply local topical ointment to relieve swelling and pain, invigorate blood circulation and remove blood stasis, or local hot compresses, do physical therapy, such as infrared therapy, microwave therapy, ultra-short wave therapy, etc., can promote local blood circulation, accelerate the absorption of local inflammatory factors, which can relieve local swelling, pain and other symptoms. You can also take oral non-steroidal anti-inflammatory drugs, which can eliminate local sterile inflammation and can also have a pain-relieving effect. 2. It may be caused by bacterial infection, which is usually accompanied by redness, swelling, heat and pain in addition to swelling, local skin flushing, and increased skin temperature, and possibly the formation of abscesses in serious cases. If this happens, apply antibiotic treatment, commonly used are cephalosporin antibiotics, amoxicillin, roxithromycin, clindamycin, etc. You can also use topical ointments containing antibiotics, such as clindamycin ointment or erythromycin ointment, are available.