Long-acting opiate pain relievers are medicines used to relieve moderate to severe long-term pain. They are also called extended-release opiates. Opiates relieve pain by changing the way your body feels pain. They don't cure a health problem, but they help you manage the pain.
If you take a lot of short-acting medicine, your doctor may give you long-acting opiates. Long-acting opiates help you avoid the ups and downs in pain relief that you may have with short-acting medicine.
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