Conversation: The conversation between human and AI assistant.
[|Human|] I have what I believe is a muscle strain that has been painful for several weeks. The pain is in my upper left arm. I was doing some research online and would like to know whether I should be using ice or heat on it or both? Right now, I am using Aspercreme rubbed into the arm several times a day. I have also figured out how I can move my arm with the least amount of pain.
[|AI|]  Hi, I am understanding your concern. I want to suggest you something as per your question, in muscle strain, immediate treatment includes Rest and ice. In first 2 days you should apply Ice (Not directly on skin) for 7-10 minutes along with rest. It helps the muscle fibers to heal and rest, and After 2 days go for hot fermentation. It will enhance your healing and increase blood supply to your injured fibers. Wish you good health.