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Drug Interactions between B & O Supprettes and cimetidine

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

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Interactions between your drugs

Moderate

cimetidine opium

Applies to: cimetidine and B & O Supprettes (belladonna / opium)

MONITOR: Cimetidine may increase the effects of narcotic analgesics. Cases of respiratory depression, potentially fatal, have been reported in patients receiving cimetidine with morphine. The mechanism is unclear but may be related to decreased metabolism of the opioid. A similar interaction may also occur with diamorphine, for which morphine is the primary active metabolite.

MANAGEMENT: Patients' vital signs should be closely monitored while receiving this combination. If respiratory depression is greater than otherwise expected, consider decreasing the dose of the opioid and/or of cimetidine as necessary.

References

  1. Lam AM, Clement JL "Effect of cimetidine premedication on morphine-induced ventilatory depression." Can Anaesth Soc J 31 (1984): 36-43
  2. Fine A, Churchill DN "Potentially lethal interaction of cimetidine and morphine." Can Med Assoc J 124 (1981): 1434, 1436
  3. Lam AM "Potentially lethal interaction of cimetidine and morphine." Can Med Assoc J 125 (1981): 820
  4. "Product Information. MS Contin (morphine)." Purdue Frederick Company PROD (2002):
  5. "Product Information. Morphine Sulfate (morphine)." Abbott Pharmaceutical PROD
  6. Cerner Multum, Inc. "Canadian Product Information." O 0 (2015):
View all 6 references

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Moderate

opium belladonna

Applies to: B & O Supprettes (belladonna / opium) and B & O Supprettes (belladonna / opium)

MONITOR: Coadministration of opioids with anticholinergic agents may result in additive central nervous system (CNS), gastrointestinal, and genitourinary effects. The risk and/or severity of adverse effects such as sedation, dizziness, confusion, cognitive and psychomotor impairment, dry mouth, constipation, and urinary retention may increase. Severe constipation may lead to paralytic ileus in some cases.

MANAGEMENT: Caution and close monitoring of central nervous system, gastrointestinal, and genitourinary adverse effects are recommended when opioids are used with anticholinergic agents. Ambulatory patients should be counseled to avoid hazardous activities requiring mental alertness and motor coordination until they know how these agents affect them, and to notify their physician if they experience excessive or prolonged CNS effects that interfere with their normal activities.

References

  1. "Product Information. Demerol (meperidine)." Sanofi Winthrop Pharmaceuticals PROD (2002):
  2. "Product Information. Dolophine (methadone)." Lilly, Eli and Company PROD (2002):
  3. "Product Information. Tylenol with Codeine (acetaminophen-codeine)." Janssen Pharmaceuticals PROD (2001):
  4. "Product Information. Duragesic Transdermal System (fentanyl)." Janssen Pharmaceutica, Titusville, NJ.
  5. "Product Information. Ultram (tramadol)." McNeil Pharmaceutical PROD (2001):
  6. "Product Information. OxyContin (oxycodone)." Purdue Frederick Company PROD (2001):
  7. "Product Information. Kadian (morphine)." Astra-Zeneca Pharmaceuticals PROD (2001):
  8. "Product Information. DepoDur (morphine liposomal)." Endo Laboratories LLC (2004):
  9. Cerner Multum, Inc. "UK Summary of Product Characteristics." O 0
  10. "Product Information. Opana (oxymorphone)." Endo Laboratories LLC (2006):
  11. "Product Information. Nucynta (tapentadol)." PriCara Pharmaceuticals (2009):
  12. "Product Information. Exalgo (hydromorphone)." Covidien (2010):
  13. "Product Information. Belbuca (buprenorphine)." Endo Pharmaceuticals Solutions Inc (2016):
  14. "Product Information. Alfentanil Hydrochloride (alfentanil)." Akorn Inc (2017):
  15. "Product Information. SUFentanil Citrate (sufentanil)." Akorn Inc (2017):
  16. "Product Information. Lortab (acetaminophen-hydrocodone)." Akorn Inc (2017):
  17. "Product Information. Levorphanol Tartrate (levorphanol)." Sentynl Therapeutics (2017):
  18. "Product Information. Naloxone HCl-Pentazocine HCl (naloxone-pentazocine)." Actavis U.S. (Amide Pharmaceutical Inc) (2018):
  19. "Product Information. Apadaz (acetaminophen-benzhydrocodone)." KemPharm, Inc (2018):
View all 19 references

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Drug and food interactions

Moderate

opium food

Applies to: B & O Supprettes (belladonna / opium)

GENERALLY AVOID: Ethanol may potentiate the central nervous system (CNS) depressant effects of opioid analgesics. 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.

MANAGEMENT: Concomitant use of opioid analgesics with ethanol should be avoided.

References

  1. Linnoila M, Hakkinen S "Effects of diazepam and codeine, alone and in combination with alcohol, on simulated driving." Clin Pharmacol Ther 15 (1974): 368-73
  2. Sturner WQ, Garriott JC "Deaths involving propoxyphene: a study of 41 cases over a two-year period." JAMA 223 (1973): 1125-30
  3. Girre C, Hirschhorn M, Bertaux L, et al. "Enhancement of propoxyphene bioavailability by ethanol: relation to psychomotor and cognitive function in healthy volunteers." Eur J Clin Pharmacol 41 (1991): 147-52
  4. Levine B, Saady J, Fierro M, Valentour J "A hydromorphone and ethanol fatality." J Forensic Sci 29 (1984): 655-9
  5. Sellers EM, Hamilton CA, Kaplan HL, Degani NC, Foltz RL "Pharmacokinetic interaction of propoxyphene with ethanol." Br J Clin Pharmacol 19 (1985): 398-401
  6. Carson DJ "Fatal dextropropoxyphene poisoning in Northern Ireland. Review of 30 cases." Lancet 1 (1977): 894-7
  7. Rosser WW "The interaction of propoxyphene with other drugs." Can Med Assoc J 122 (1980): 149-50
  8. Edwards C, Gard PR, Handley SL, Hunter M, Whittington RM "Distalgesic and ethanol-impaired function." Lancet 2 (1982): 384
  9. Kiplinger GF, Sokol G, Rodda BE "Effect of combined alcohol and propoxyphene on human performance." Arch Int Pharmacodyn Ther 212 (1974): 175-80
View all 9 references

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Moderate

belladonna food

Applies to: B & O Supprettes (belladonna / opium)

GENERALLY AVOID: Use of anticholinergic agents with alcohol may result in sufficient impairment of attention so as to render driving and operating machinery more hazardous. In addition, the potential for abuse may be increased with the combination. The mechanism of interaction is not established but may involve additive depressant effects on the central nervous system. No effect of oral propantheline or atropine on blood alcohol levels was observed in healthy volunteers when administered before ingestion of a standard ethanol load. However, one study found impairment of attention in subjects given atropine 0.5 mg or glycopyrrolate 1 mg in combination with alcohol.

MANAGEMENT: Alcohol should generally be avoided during therapy with anticholinergic agents. Patients should be counseled to avoid activities requiring mental alertness until they know how these agents affect them.

References

  1. Linnoila M "Drug effects on psychomotor skills related to driving: interaction of atropine, glycopyrrhonium and alcohol." Eur J Clin Pharmacol 6 (1973): 107-12

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Minor

cimetidine food

Applies to: cimetidine

Concurrent use of cimetidine and ethanol may result in increased ethanol concentrations. The mechanism appears to be due to inhibition of gastric alcohol dehydrogenase by cimetidine, leading to increased bioavailability of the alcohol and inhibition of hepatic metabolism of alcohol. The clinical significance of this interaction is limited. More importantly, patients requiring cimetidine for gastrointestinal disease should be counseled to avoid alcohol to prevent worsening of their disease. The other H-2 receptor antagonists appear to have minimal effects on the concentrations of alcohol.

References

  1. Feely J, Wood AJ "Effects of cimetidine on the elimination and actions of ethanol." JAMA 247 (1982): 2819-21
  2. Hansten PD "Effects of H2-receptor antagonists on blood alcohol levels." JAMA 267 (1992): 2469

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Minor

cimetidine food

Applies to: cimetidine

Caffeine effects may be increased in patients also taking cimetidine. The mechanism may be due to decreased caffeine metabolism induced by cimetidine. Although adequate clinical data are lacking, a reduction in dose or elimination of caffeine may be needed if excess CNS stimulation is observed.

References

  1. "Product Information. Tagamet (cimetidine)." SmithKline Beecham PROD (2001):
  2. Broughton LJ, Rodgers HJ "Decreased systenuc clearance of caffeine due to cimetidine." Br J Clin Pharmacol 12 (1981): 155-9

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Minor

cimetidine food

Applies to: cimetidine

H2 antagonists may reduce the clearance of nicotine. Cimetidine, 600 mg given twice a day for two days, reduced clearance of an intravenous nicotine dose by 30%. Ranitidine, 300 mg given twice a day for two days, reduced clearance by 10%. The clinical significance of this interaction is not known. Patients should be monitored for increased nicotine effects when using the patches or gum for smoking cessation and dosage adjustments should be made as appropriate.

References

  1. Bendayan R, Sullivan JT, Shaw C, Frecker RC, Sellers EM "Effect of cimetidine and ranitidine on the hepatic and renal elimination of nicotine in humans." Eur J Clin Pharmacol 38 (1990): 165-9

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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.

See also

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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.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

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