AT this time DMSO is only approved by the FDA for the palliative treatment of interstitial cystitis. It is readily absorbed by the skin and causes strange oral tastes.
DMSO are used as topical analgesics, they cut pains by blocking peripheral nerve c fibers. We use it for all sort of inflammatory conditions like people with rheumatoid arthritis, etc.
Dimethyl sulfoxide or DMSO is useful for shrinking or minimizing scars on the skin, especially keloids. Foot pain and atheletes foot are very common recipients of this medication as well.