I've been taking oxycontine 40mg 2x a day for about 6 months for severe pain and they aren't working anymore .So, my doctor wrote a perscription for morphine sulfate er 40mg 2x a day .Is this equal or is there a percentage from one to the other ?? I know there isn't a 40 mg .They either come 15,30,60,100,200 what would the equal be ??
28 Nov 2011
Well dear, it certainly isn't 20 mg MSO4 or morphine. You'll be in withdrawal soon. Please call someone who knows something about equi-analgesic doses of opiates, like your favorite pharmacist. Doesn't sound like your doc knows. Coming off of oxycontin is no fun. It is way more potent than morphine.
Please be careful.
12 Feb 2013
If you are comparing IR (Instant release) tablets of equal milligrams, they work nearly the same for me in terms of pain relief and prevention of withdrawal symptions. The downside of MS is the side effect of worse constipation. The upside of morphine sulfate is a significant cost savings over oxycontin.
2 Mar 2013
I've been on 20, 30 and 40 contin. My issue was the ability to get it. I was just switched to 30 morphine. As far as going through withdrawal I darn near had to every month because my worthless pharmacy always said "It wasn't in our Narcotics shipment this week. SORRY!" Yes, I tried other pharmacies but still had a hard time with the contin.
I JUST was able to get started last night so I'm curious to see how things work given the big difference I'm reading about. :( I do get Percocet 3x a day so we'll see! (I take the morphine 2x a day.)
FYI: I can "feel" it so something is happening. It's either the morphine, the 1/2 percocet (I take 1/2 tab at a time... a habit I've always had) or both. Like some people said you just want to have relief. I teach so it's very challenging to do my job with the arthritis in my knees.
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