Long-Acting Opioids
Morphine
(morphine ER; MS Contin®; Kadian ®) tablets or capsules
This is a long-acting version of the opioid medication, morphine. It releases a steady dose of morphine into your system over 8-12 hours.
How do I take this medicine?
You should take this medicine on a regular schedule, (at the same time every day), according to your prescription. Tap for advice about making a schedule for taking your long-acting opioid medication.
You can take this medicine with or without food. But, make sure to swallow the tablet whole (never cut or crush it), with some water or another beverage.
Continue taking this medicine, even if your pain is under control. Long-acting opioids work in the background to lower your overall pain level. If you stop them suddenly, you can have symptoms of withdrawal including worsening pain, nausea, and diarrhea.
If you forget to take this medicine: If you are no more than 2-3 hours late, take it as soon as you realize that you have missed the dose and take your next dose on the original schedule. If you are more than 2-3 hours late, talk to your care team. They will likely have you take your missed dose, but they may also ask you to retime your next scheduled dose.
To learn more about opioids, watch this video:
What are the side effects?
Some people notice side effects when starting this medicine or increasing the dose. The side effects are similar to most opioids, including:
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Constipation
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Sedation (sleepiness)
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Dizziness
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Fatigue
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Nausea
Tap to learn about the different side effects and ways to manage them.
How can I be safe when using this medicine?
Tap for more information about using opioids safely.


