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Oramorph SR is a type of pain medication specifically designed when the use of strong painkillers is necessary for an extended period of time. This prescription medication comes in the form of an extended-release tablet, and is usually taken two or three times a day. Because it is an opioid narcotic, Oramorph SR has the potential to be abused. Possible side effects include constipation, drowsiness, and nausea.

What Is Oramorph?

Oramorph® SR (morphine sulfate ER) is a long-acting prescription pain medication. It should only be used when around-the-clock use of strong painkillers is necessary for an extended period of time (for more than a few days).
(Click Oramorph Uses for more information, including possible off-label uses.)

Who Makes Oramorph?

Oramorph SR is made by Xanodyne Pharmaceuticals, Inc.

How Does It Work?

Oramorph SR tablets are specially designed to release morphine over an extended period of time. As a result, instead of taking morphine numerous times a day, you can take Oramorph SR just two or three times a day. For some people, taking the medication every 12 hours provides adequate and continuous pain control. Others find it necessary to take it every eight hours.
Morphine is an opioid narcotic medication. It binds to opioid receptors throughout the body and produces various effects. These effects include but are not limited to:
  • Pain relief
  • Drowsiness
  • Slowing of the digestive tract
  • Cough suppression
  • Release of histamine (which often causes itching)
  • Unusual, unpleasant feelings (dysphoria) or unusual, pleasant feelings (euphoria)
  • Decreased breathing (slow or shallow breathing)
  • Certain changes in the circulatory system
  • Physical dependence.
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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