Does oxycontin and morphine contain the same ingredients? I ask this because I was given a prescription for morphine for a sciatica problem I've had for years and it's getting worse and I couldn't stop itching and felt just awful when i took the morphine 100 ml by pill form. So my doctor changed me to a new drug last week called oxycontin 80 ml (oxycodone) twice daily and that hasn't made me ill at all, so I'm confused because I did some research on both drugs and i thought they contained the same ingredients, only different companies.
Question #2: My doctor advised me that this drug has to be taken daily, even if i'm not experiencing pain. He says it's a pain management regiment. Is this true?