Why is a methadone pump better than morphine pump?

Methadone is a far better pain killer then morphine. If you look at a opiate strength chart you will quickly see that morphine is only half way up the chart. Also, methadone is very cheap and you don't need as much as you would compared to morphine. The last point is one that a lot of people don't know and that is that methadone is extremely difficult to grow tolerant to. Morphine is ok for acute pain but when it comes to chronic pain it quickly loses it's steam. I was taking a minimum of 3,000 mgs a day of morphine.
I know people who have been on the same dose of methadone for over 20 years and one guy has been at 170mgs for over 30 years.

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When I started methadone I had to go to 400mgs a day for the first 5 years as it took that long for my brain chemistry to revert back to normal (another advantage of methadone compared to all other opiates). In the last 3 years I have come down to 110mgs a day and I feel normal and work full time. So as long as methadone is not abused and only people that have it prescribed to them take it then there is no problem... Good luck... Dave