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What is morphine sulfate?

Morphine sulfate is the generic name for an opioid pain reliever (analgesic) sold under multiple brand names in the United States. This narcotic pain reliever is used in the treatment of moderate to severe pain and acts by changing the brain's perception of pain. Morphine sulfate is a prescription drug, available in a short-acting form to be used whenever needed for pain relief, or in an extended (sustained or controlled) release form. Morphine sulfate can be injected, taken by tablet or capsule, or used in a suppository. Brand names for morphine sulfate include Avinza, Kadian, Morphine IR, MS Contin, MSIR, Oramorph SR, and Roxanol.

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