[highly polar organic liquid, that is used widely as a chemical solvent; because of its ability to penetrate biological membranes, it is used as a vehicle for topical application of pharmaceuticals; it is also used to protect tissue during cryopreservation; dimethyl sulfoxide shows a range of pharmacological activity including analgesia and anti-inflammation. ( CSP )] (UMLS (NCI) C0012403) =Organic Chemical; Pharmacologic Substance ; =Sulfoxides; sulfoxide; Inactive Ingredient Preparations; =DIMETHYL SULFOXIDE 50 %; DIMETHYL SULFOXIDE 100 %;