Hi, I wish I could help you, but the itching goes along with the meds, and not just dilaudid, most of the narcotic meds, at least at first make you itch like crazy, try to bare with it, it does go away. As for the heat and sweats, that also is from the meds, all I can tell you there is maybe put a fan a little away from you at night, it might stop the worse of it. Its alway something, isnt it.
Hang in there, good luck and take care,
Kathy