I guessed that NSAIDs are the medicine of choice for treating it, and I was right...this would include over-the-counter drugs like Motrin
and Advil, or prescription drugs like Arthrotec and Meloxicam. Otherwise, for reducing the pain and inflammation, ice packs/heating pads can be used, and plenty of bed rest is advised. Do you have any other symptoms accompanying this inflammation/pain? It really sounds like it may just be something viral, but it could take awhile to get over it.