Walmart Opioid Policy
Walmart no longer accepts coupons for this medication.
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What is Morphine ER?
This medication is used to help relieve severe ongoing pain (such as due to cancer). Morphine belongs to a class of drugs known as opioid analgesics. It works in the brain to change how your body feels and responds to pain. The higher strengths of this drug (100 milligrams per capsule and higher) should be used only if you have been regularly taking moderate to large amounts of an opioid pain medication. These strengths may cause overdose (even death) if taken by a person who has not been regularly taking opioids. Do not use the sustained-action form of morphine to relieve pain that is mild or that will go away in a few days. This medication is not for occasional ("as needed") use.