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Drug Interactions between Dilaudid Cough Syrup and mebrofenin

This report displays the potential drug interactions for the following 2 drugs:

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Interactions between your drugs

Moderate

HYDROmorphone mebrofenin

Applies to: Dilaudid Cough Syrup (guaifenesin / hydromorphone) and mebrofenin

MONITOR: Prior administration of opioids may delay transit of Technetium Tc 99m mebrofenin due to opioid-induced contraction of the distal common bile duct, which may result in nonvisualization. In one study, a group of investigators reviewed the records of 198 emergency department patients who underwent nuclear hepatobiliary imaging, after excluding those with evidence for pathologic common bile duct (CBD) obstruction. Delayed CBD visualization occurred in 28.6% of subjects who had received opioids (n=56) and 12.0% of subjects who had not received opioids, while delayed imaging was performed in 77.8% and 53.5%, respectively. The relative risk of delayed CBD visualization was 1.46 for meperidine, 4.18 for morphine, and 2.38 for any opioid. Nonetheless, low-dose intravenous morphine has been used during cholescintigraphy to increase biliary pressure, thereby allowing for visualization of gallbladder when there is failure to visualize 60 minutes or more after Technetium Tc 99m mebrofenin injection. Compared to standard cholescintigraphy, morphine-augmented cholescintigraphy has been shown to reduce imaging time and the number of false-positive results.

MANAGEMENT: Nonvisualization may occur in patients who have been receiving opioids prior to cholescintigraphy.

References (6)
  1. (2012) "Product Information. Choletec (mebrofenin)." Bracco Diagnostics Inc
  2. Kim EE, Pjura G, Lowry P, Nguyen M, Pollack M (1986) "Morphine-augmented cholescintigraphy in the diagnosis of acute cholecystitis." AJR Am J Roentgenol, 147, p. 1177-9
  3. Fink-Bennett D, Balon H, Robbins T, Tsai D (1991) "Morphine-augmented cholescintigraphy: its efficacy in detecting acute cholecystitis." J Nucl Med, 32, p. 1231-3
  4. Flancbaum L, Choban PS, Sinha R, Jonasson O (1994) "Morphine cholescintigraphy in the evaluation of hospitalized patients with suspected acute cholecystitis." Ann Surg, 220, p. 25-31
  5. Chen CC, Holder LE, Maunoury C, Drachenberg CI (1997) "Morphine augmentation increases galllbladder visualization in patients pretreated with cholecystokinin." J Nucl Med, 38, p. 644-7
  6. Oates E, Selland DL, Chin CT, Achong DM (1996) "Gallbladder nonvisualization with pericholecystic rim sign: morphine-augmentation optimizes diagnosis of acute cholecystitis." J Nucl Med, 37, p. 267-9

Drug and food interactions

Major

HYDROmorphone food

Applies to: Dilaudid Cough Syrup (guaifenesin / hydromorphone)

GENERALLY AVOID: Alcohol may potentiate the central nervous system (CNS) depressant effects of opioid analgesics including hydromorphone. Concomitant use may result in additive CNS depression and impairment of judgment, thinking, and psychomotor skills. In more severe cases, hypotension, respiratory depression, profound sedation, coma, or even death may occur.

GENERALLY AVOID: Consumption of alcohol while taking sustained-release formulations of hydromorphone may cause rapid release of the drug, resulting in high systemic levels of hydromorphone that may be potentially lethal even in opioid-tolerant patients. Alcohol appears to disrupt the extended release mechanism, causing 'dose-dumping' into the bloodstream. In 48 healthy volunteers, coadministration of a 12 mg dose of sustained-release hydromorphone with 240 mL of 40% (80 proof) alcohol resulted in a mean peak hydromorphone concentration (Cmax) approximately six times greater than when taken with water. One subject had a 16-fold increase in hydromorphone Cmax with 40% alcohol compared to water. In some subjects, coadministration with 8 ounces of 4% alcohol (equivalent to 2/3 of a typical serving of beer) resulted in almost twice the hydromorphone Cmax than when coadministered with water. The effect of alcohol was more pronounced in a fasted state.

MANAGEMENT: Patients taking sustained-release formulations of hydromorphone should not consume alcohol or use medications that contain alcohol on days of hydromorphone dosing. In general, potent narcotics such as hydromorphone should not be combined with alcohol.

References (3)
  1. Levine B, Saady J, Fierro M, Valentour J (1984) "A hydromorphone and ethanol fatality." J Forensic Sci, 29, p. 655-9
  2. (2001) "Product Information. Dilaudid (hydromorphone)." Knoll Pharmaceutical Company
  3. FDA. U.S. Food and Drug Administration (2005) Healthcare Professional Sheet. FDA Alert [07/2005]: alcohol-palladone interaction. http://www.fda.gov/medwatch/SAFETY/2005/safety05.htm#Palladone

Therapeutic duplication warnings

No warnings were found for your selected drugs.

Therapeutic duplication warnings are only returned when drugs within the same group exceed the recommended therapeutic duplication maximum.

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Drug Interaction Classification

These classifications are only a guideline. The relevance of a particular drug interaction to a specific individual is difficult to determine. Always consult your healthcare provider before starting or stopping any medication.
Major Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit.
Moderate Moderately clinically significant. Usually avoid combinations; use it only under special circumstances.
Minor Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan.
Unknown No interaction information available.

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