I have a pill marked 5513 dan. Does anyone know what it is?
Its called carisoprodol otherwise known as 'Soma'. Its a muscle relaxer that works by blocking pain sensations between the nerves and the brain. It's used with rest and physical therapy to help treat injuries and other painful musculoskeletal conditions.
If you're looking for other ways to treat your chronic pain, these articles may be helpful:
How to do more with less pain part 1
How to do more with less pain part 2