Carisoprodol is the drug that is used for relaxing muscles . It relaxes our museles when museles is tight and we have pain . It is also used as a pain reliever for short term pain. In our body mussels and some joints . It is also used for spinal cord pain. These mostly work 4-6 hours in our body.The drudge is a highly composed drug. So use it after consulting the doctor. https://mayomeds.com/pain-relief/carisoprodol/