Extended-release morphine
Extended-release Morphine[edit | edit source]
Extended-release morphine is a formulation of the opioid analgesic morphine designed to release the active ingredient slowly over time, providing prolonged pain relief. It is commonly used in the management of chronic pain conditions where continuous opioid therapy is necessary.
Pharmacology[edit | edit source]
Extended-release morphine works by binding to opioid receptors in the central nervous system, which include the brain and spinal cord. This binding action alters the perception of pain and emotional response to pain. The extended-release formulation allows for a steady release of morphine into the bloodstream, maintaining therapeutic levels over an extended period, typically 12 to 24 hours.
Indications[edit | edit source]
Extended-release morphine is indicated for the management of severe pain that requires continuous, around-the-clock opioid treatment and for which alternative treatment options are inadequate. It is not intended for use on an as-needed basis for pain that is not constant.
Administration[edit | edit source]
Extended-release morphine is available in various forms, including oral tablets and capsules. It is important that these formulations are swallowed whole and not crushed, chewed, or dissolved, as this can lead to a rapid release of morphine, increasing the risk of overdose.
Side Effects[edit | edit source]
Common side effects of extended-release morphine include constipation, nausea, vomiting, drowsiness, and dizziness. Serious side effects can include respiratory depression, hypotension, and addiction. Patients should be monitored for signs of opioid overdose, such as extreme drowsiness, slow breathing, or loss of consciousness.
Contraindications[edit | edit source]
Extended-release morphine is contraindicated in patients with significant respiratory depression, acute or severe bronchial asthma, and in those with known hypersensitivity to morphine. It should be used with caution in patients with head injury, seizure disorders, and hepatic impairment.
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