Hydromorphone
"After having been diagnosed with a rare type of multiple sclerosis called "Malignant Primary Progressive Multiple Sclerosis" (also known as Marbug Variant MS) there was not much for the doctors to do for me but to put me on a cocktail of pain medications that would 'hopefully' help to keep me comfortable while in the throws of relentless chronic pain. Eventually I was given Dilaudid 8mg oral tablet to help with the pain. It eventually stopped working as good so the dosage was increased to 16mg per 4 hours. And that is what I am currently taking. 
Because my rare form of MS has no treatments, no medications..it's just a progressive downward spiral. I'm now fully bedridden and a spectator of life. But I'm so grateful for dilaudid! Recommend"