Each tablet has a total of 15mg of morphine. Depending on what kind of long acting system you have, it will release a total of 15mg. Morphine Sulfate ER and MSContin last about 8-12 hours, Avinza can last for 20-24 hours and Kadian also last about 8-12 hours so it depends on which long acting system you have and also on how fast you metabolize the drug.
- Morphine Information for Consumers
- Morphine Information for Healthcare Professionals (includes dosage details)
- Side Effects of Morphine (detailed)
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