Oxymorphol is oxymorphone which has been hydroxylated at the 6-position. It is produced by the human body as an active metabolite of oxymorphone

Oxymorphone

Oxymorphone or 14-Hydroxydihydromorphinone is a powerful semi-synthetic opioid analgesic first developed in Germany circa 1914, patented in the USA by Endo Pharmaceuticals in 1955 and introduced to the United States market in January 1959 and other countries around the same time...

 and some bacteria as an intermediate in turning morphine

Morphine

Morphine is a potent opiate analgesic medication and is considered to be the prototypical opioid. It was first isolated in 1804 by Friedrich Sertürner, first distributed by same in 1817, and first commercially sold by Merck in 1827, which at the time was a single small chemists' shop. It was more...

 into hydromorphone

Hydromorphone

Hydromorphone, a more common synonym for dihydromorphinone, commonly a hydrochloride is a very potent centrally-acting analgesic drug of the opioid class. It is a derivative of morphine, to be specific, a hydrogenated ketone thereof and, therefore, a semi-synthetic drug...

. It can also be manufactured and is the subject of patents by drug companies looking for new semi-synthetic analgesics and cough suppressants.

Oxymorphol is also known by the name shared with other opioid compound, hydromorphinol

Hydromorphinol

Hydromorphinol is an opiate analogue that is a derivative of morphine, where the 14-position has been hydroxylated and the 7,8- double bond saturated. It has similar effects to morphine such as sedation, analgesia and respiratory depression, but is more potent and has a steeper dose-response curve...

.