Astramorph
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Questions & Answers
Side Effects & Adverse Reactions
Morphine sulfate may be habit forming. (See DRUG ABUSE AND DEPENDENCE.) Overdoses may cause respiratory depression, coma and death.
Astramorph/PF administration should be limited to use by those familiar with the management of respiratory depression. Rapid intravenous administration may result in chest wall rigidity.
Prior to any epidural or intrathecal drug administration, the physician should be familiar with patient conditions (such as infection at the injection site, bleeding diathesis, anticoagulant therapy, etc.) which call for special evaluation of the benefit versus risk potential.
In the case of epidural or intrathecal administration, Astramorph/PF should be administered by or under the direction of a physician experienced in the techniques and familiar with the patient management problems associated with epidural or intrathecal drug administration. Because epidural administration has been associated with less potential for immediate or late adverse effects than intrathecal administration, the epidural route should be used whenever possible. SEVERE RESPIRATORY DEPRESSION UP TO 24 HOURS FOLLOWING EPIDURAL OR INTRATHECAL ADMINISTRATION HAS BEEN REPORTED.
BECAUSE OF THE RISK OF SEVERE ADVERSE EFFECTS WHEN THE EPIDURAL OR INTRATHECAL ROUTE OF ADMINISTRATION IS EMPLOYED, PATIENTS MUST BE OBSERVED IN A FULLY EQUIPPED AND STAFFED ENVIRONMENT FOR AT LEAST 24 HOURS AFTER THE INITIAL DOSE.
THE FACILITY MUST BE EQUIPPED TO RESUSCITATE PATIENTS WITH SEVERE OPIATE OVERDOSAGE, AND THE PERSONNEL MUST BE FAMILIAR WITH THE USE AND LIMITATIONS OF SPECIFIC NARCOTIC ANTAGONISTS (NALOXONE, NALTREXONE) IN SUCH CASES.
PATIENTS SOMETIMES MANIFEST UNUSUAL ACCELERATION OF NEURAXIAL MORPHINE REQUIREMENTS, WHICH MAY CAUSE CONCERN REGARDING SYSTEMIC ABSORPTION AND THE HAZARDS OF LARGE DOSES; THESE PATIENTS MAY BENEFIT FROM HOSPITALIZATION AND DETOXIFICATION. TWO CASES OF MYOCLONIC-LIKE SPASM OF THE LOWER EXTREMITIES HAVE BEEN REPORTED IN PATIENTS RECEIVING MORE THAN 20 MG/DAY OF INTRATHECAL MORPHINE. AFTER DETOXIFICATION, IT MIGHT BE POSSIBLE TO RESUME TREATMENT AT LOWER DOSES, AND SOME PATIENTS HAVE BEEN SUCCESSFULLY CHANGED FROM CONTINUOUS EPIDURAL MORPHINE TO CONTINUOUS INTRATHECAL MORPHINE. REPEAT DETOXIFICATION MAY BE INDICATED AT A LATER DATE. THE UPPER DAILY DOSAGE LIMIT FOR EACH PATIENT DURING CONTINUING TREATMENT MUST BE INDIVIDUALIZED.
Legal Issues
There is currently no legal information available for this drug.
FDA Safety Alerts
There are currently no FDA safety alerts available for this drug.
Manufacturer Warnings
There is currently no manufacturer warning information available for this drug.
FDA Labeling Changes
There are currently no FDA labeling changes available for this drug.
Uses
Astramorph/PF is a systemic narcotic analgesic for administration by the intravenous, epidural or intrathecal routes. It is used for the management of pain not responsive to non-narcotic analgesics. Astramorph/PF, administered epidurally or intrathecally, provides pain relief for extended periods without attendant loss of motor, sensory or sympathetic function.
History
There is currently no drug history available for this drug.
Other Information
Morphine is the most important alkaloid of opium and is a phenanthrene derivative. It is available as the sulfate salt, having the following structural formula:
7,8-Didehydro-4,5-epoxy-17-methyl-(5α,6α)-morphinan-3,6-diol sulfate (2:1) (salt), pentahydrate
(C17 H19 NO3 )2 •H2 SO4 •5H2 OMolecular Weight is 758.83
Preservative-free ASTRAMORPH/PF (Morphine Sulfate Injection, USP) is a sterile, nonpyrogenic isobaric solution of morphine sulfate free of antioxidants, preservatives or other potentially neurotoxic additives, and is intended for intravenous, epidural or intrathecal administration as a narcotic analgesic. Each milliliter contains morphine sulfate 0.5 mg or 1 mg and sodium chloride 9 mg in Water for Injection. pH range is 2.5-6.5. Ampules and vials are sealed under nitrogen. Each ampule and vial is intended for SINGLE USE ONLY . Discard any unused portion . DO NOT HEAT-STERILIZE.
Sources
Astramorph Manufacturers
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Astrazeneca Lp
![Astramorph (Morphine Sulfate) Injection [ Astrazeneca Lp]](/wp-content/themes/bootstrap/assets/img/loading2.gif)
Astramorph | Astrazeneca Lp
Astramorph/PF is intended for intravenous, epidural or intrathecal administration.
Intravenous Administration:Dosage:
The initial dose of morphine sulfate should be 2 mg to 10 mg/70 kg of body weight. No information is available regarding the use of Astramorph/PF in patients under the age of 18.
Geriatric Use:Administer with extreme caution (See PRECAUTIONS .)
Epidural Administration:ASTRAMORPH/PF SHOULD BE ADMINISTERED EPIDURALLY BY OR UNDER THE DIRECTION OF A PHYSICIAN EXPERIENCED IN THE TECHNIQUE OF EPIDURAL ADMINISTRATION AND WHO IS THOROUGHLY FAMILIAR WITH THE LABELING. IT SHOULD BE ADMINISTERED ONLY IN SETTINGS WHERE ADEQUATE PATIENT MONITORING IS POSSIBLE. RESUSCITATIVE EQUIPMENT AND A SPECIFIC ANTAGONIST (NALOXONE INJECTION) SHOULD BE IMMEDIATELY AVAILABLE FOR THE MANAGEMENT OF RESPIRATORY DEPRESSION AS WELL AS COMPLICATIONS WHICH MIGHT RESULT FROM INADVERTENT INTRATHECAL OR INTRAVASCULAR INJECTION. (NOTE: INTRATHECAL DOSAGE IS USUALLY 1/10 THAT OF EPIDURAL DOSAGE.) PATIENT MONITORING SHOULD BE CONTINUED FOR AT LEAST 24 HOURS AFTER EACH DOSE, SINCE DELAYED RESPIRATORY DEPRESSION MAY OCCUR.
Proper placement of a needle or catheter in the epidural space should be verified before Astramorph/PF is injected. Acceptable techniques for verifying proper placement include: a) aspiration to check for absence of blood or cerebrospinal fluid, or b) administration of 5 mL (3 mL in obstetric patients) of 1.5% PRESERVATIVE-FREE Lidocaine and Epinephrine (1:200,000) Injection and then observe the patient for lack of tachycardia (this indicates that vascular injection has not been made) and lack of sudden onset of segmental anesthesia (this indicates that intrathecal injection has not been made).
Epidural Adult Dosage:Initial injection of 5 mg in the lumbar region may provide satisfactory pain relief for up to 24 hours. If adequate pain relief is not achieved within one hour, careful administration of incremental doses of 1 to 2 mg at intervals sufficient to assess effectiveness may be given. No more than 10 mg/24 hr should be administered.
Thoracic administration has been shown to dramatically increase the incidence of early and late respiratory depression even at doses of 1 to 2 mg.
For continuous infusion an initial dose of 2 to 4 mg/24 hours is recommended. Further doses of 1 to 2 mg may be given if pain relief is not achieved initially.
Geriatric Use:Administer with extreme caution. (See PRECAUTIONS .)
Epidural Pediatric Use:No information on use in pediatric patients is available. (See PRECAUTIONS .)
Intrathecal Administration:NOTE: INTRATHECAL DOSAGE IS USUALLY 1/10 THAT OF EPIDURAL DOSAGE .
ASTRAMORPH/PF SHOULD BE ADMINISTERED INTRATHECALLY BY OR UNDER THE DIRECTION OF A PHYSICIAN EXPERIENCED IN THE TECHNIQUE OF INTRATHECAL ADMINISTRATION AND WHO IS THOROUGHLY FAMILIAR WITH THE LABELING. IT SHOULD BE ADMINISTERED ONLY IN SETTINGS WHERE ADEQUATE PATIENT MONITORING IS POSSIBLE. RESUSCITATIVE EQUIPMENT AND A SPECIFIC ANTAGONIST (NALOXONE INJECTION) SHOULD BE IMMEDIATELY AVAILABLE FOR THE MANAGEMENT OF RESPIRATORY DEPRESSION AS WELL AS COMPLICATIONS WHICH MIGHT RESULT FROM INADVERTENT INTRAVASCULAR INJECTION. PATIENT MONITORING SHOULD BE CONTINUED FOR AT LEAST 24 HOURS AFTER EACH DOSE, SINCE DELAYED RESPIRATORY DEPRESSION MAY OCCUR. RESPIRATORY DEPRESSION (BOTH EARLY AND LATE ONSET) HAS OCCURRED MORE FREQUENTLY FOLLOWING INTRATHECAL ADMINISTRATION THAN EPIDURAL ADMINISTRATION.
Intrathecal Adult Dosage:A single injection of 0.2 to 1 mg may provide satisfactory pain relief for up to 24 hours. (CAUTION: THIS IS ONLY 0.4 TO 2 ML OF THE 5 MG/10ML AMPULE/VIAL OR 0.2 TO 1 ML OF THE 10 MG/10 ML AMPULE/VIAL OF ASTRAMORPH/PF.) DO NOT INJECT INTRATHECALLY MORE THAN 2 ML OF THE 5 MG/10 ML AMPULE/VIAL OR 1 ML OF THE 10 MG/10ML AMPULE/VIAL. USE IN THE LUMBAR AREA ONLY IS RECOMMENDED. Repeated intrathecal injections of Astramorph/PF are not recommended. A constant intravenous infusion of naloxone, 0.6 mg/hr, for 24 hours after intrathecal injection may be used to reduce the incidence of potential side effects.
Geriatric Use:Administer with extreme caution. (See PRECAUTIONS .)
Repeat Dosage:If pain recurs, alternative routes of administration should be considered, since experience with repeated doses of morphine by the intrathecal route is limited.
Intrathecal Pediatric Use:No information on use in pediatric patients is available. (See PRECAUTIONS .)
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