MS CONTIN CII
Generic Name and Formulations:
Morphine sulfate 15mg, 30mg, 60mg, 100mg, 200mg; ext-rel tabs.
Indications for MS CONTIN:
Management of pain severe enough to require daily, around-the-clock, long-term opioid treatment and for which alternative therapies are inadequate.
Limitations Of use:
Not for use as an as-needed (prn) analgesic. Use only if alternative treatment options (eg, non-opioid analgesics, immediate-release opioids) are ineffective, not tolerated, or otherwise inadequate to provide sufficient management of pain.
Use lowest effective dose for shortest duration. Swallow whole. Individualize. Opioid-naive: initially 15mg every 8hrs or 12hrs. Opioid non-tolerant: initially 15mg every 12hrs. May adjust dose every 1–2 days. Use 100mg, 200mg tabs, a single dose >60mg, or a total daily dose >120mg in opioid-tolerant patients only. Renal failure, cirrhosis: initiate at lower dose; titrate slowly and monitor. Concomitant CNS depressants: initially 15mg every 12hrs; monitor and consider using a lower CNS depressant dose. Conversion from other morphine formulations or other opioids: see full labeling. Withdraw gradually by 25–50% every 2–4 days.
<18yrs: not established.
Significant respiratory depression. Acute or severe bronchial asthma in an unmonitored setting or in the absence of resuscitative equipment. During or within 14 days of MAOIs. Known or suspected GI obstruction, including paralytic ileus.
Addiction, abuse, and misuse. Life-threatening respiratory depression. Accidental ingestion. Neonatal opioid withdrawal syndrome. Risks from concomitant use with benzodiazepines or other CNS depressants.
Life-threatening respiratory depression; monitor within first 24–72hrs of initiating therapy and following dose increases. Accidental exposure may cause fatal overdose (esp. in children). COPD, cor pulmonale, decreased respiratory reserve, hypoxia, hypercapnia, or pre-existing respiratory depression; monitor and consider non-opioid analgesics. Abuse potential (monitor). Adrenal insufficiency. Head injury. Increased intracranial pressure, brain tumors; monitor. Seizure disorders. CNS depression. Impaired consciousness, coma, shock; avoid. Biliary tract disease. Acute pancreatitis. Drug abusers. Renal or hepatic impairment. Reevaluate periodically. Avoid abrupt cessation. Elderly. Cachectic. Debilitated. Pregnancy; potential neonatal opioid withdrawal syndrome during prolonged use. Labor & delivery, nursing mothers: not recommended.
See Contraindications. Increased risk of hypotension, respiratory depression, sedation with benzodiazepines or other CNS depressants (eg, non-benzodiazepine sedatives/hypnotics, anxiolytics, general anesthetics, phenothiazines, tranquilizers, muscle relaxants, antipsychotics, alcohol, other opioids); reserve concomitant use in those for whom alternative options are inadequate; limit dosages/durations to minimum required; monitor. Risk of serotonin syndrome with serotonergic drugs (eg, SSRIs, SNRIs, TCAs, triptans, 5-HT3 antagonists, mirtazapine, trazodone, tramadol, MAOIs, linezolid, IV methylene blue); monitor and discontinue if suspected. Avoid concomitant mixed agonist/antagonist opioids (eg, butorphanol, nalbuphine, pentazocine) or partial agonist (eg, buprenorphine); may reduce effects and precipitate withdrawal symptoms. May antagonize diuretics; monitor. Paralytic ileus may occur with anticholinergics. May be potentiated by cimetidine, P-gp inhibitors (eg quinidine); monitor. May increase serum amylase.
Constipation, dizziness, sedation, nausea, vomiting, sweating, dysphoria, euphoria; respiratory depression, severe hypotension, syncope.
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