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Drug Interactions between Ryzolt and Vanspar

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

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Interactions between your drugs

Major

busPIRone traMADol

Applies to: Vanspar (buspirone) and Ryzolt (tramadol)

GENERALLY AVOID: Concomitant use of opioids with other central nervous system (CNS) depressants (e.g., benzodiazepines, sedatives/hypnotics, anxiolytics, muscle relaxants, general anesthetics, antipsychotics, other opioids, alcohol) may result in profound sedation, respiratory depression, coma, and death.

MANAGEMENT: The use of opioids in conjunction with other CNS depressants should generally be avoided unless alternative treatment options are inadequate. If coadministration is necessary, the dosage and duration of each drug should be limited to the minimum required to achieve desired clinical effect. Patients should be monitored closely for signs and symptoms of respiratory depression and sedation, and advised to avoid driving or operating hazardous machinery until they know how these medications affect them.

GENERALLY AVOID: Concomitant use of phenylpiperidine opioids, tapentadol, or tramadol with each other or with other serotonergic agents may potentiate the risk of serotonin syndrome, which is a rare but serious and potentially fatal condition thought to result from hyperstimulation of brainstem 5-HT1A and 2A receptors. Symptoms of the serotonin syndrome may include mental status changes such as irritability, altered consciousness, confusion, hallucination, and coma; autonomic dysfunction such as tachycardia, hyperthermia, diaphoresis, shivering, blood pressure lability, and mydriasis; neuromuscular abnormalities such as hyperreflexia, myoclonus, tremor, rigidity, and ataxia; and gastrointestinal symptoms such as abdominal cramping, nausea, vomiting, and diarrhea.

MANAGEMENT: In general, the concomitant use of multiple serotonergic agents should be avoided if possible, or otherwise approached with caution if potential benefit is deemed to outweigh the risk. Patients should be closely monitored for symptoms of the serotonin syndrome during treatment. Particular caution is advised when increasing the dosages of these agents. If serotonin syndrome develops or is suspected during the course of therapy, all serotonergic agents should be discontinued immediately and supportive care rendered as necessary. Moderately ill patients may also benefit from the administration of a serotonin antagonist (e.g., cyproheptadine, chlorpromazine). Severe cases should be managed under consultation with a toxicologist and may require sedation, neuromuscular paralysis, intubation, and mechanical ventilation in addition to the other measures.

References

  1. Nierenberg DW, Semprebon M "The central nervous system serotonin syndrome." Clin Pharmacol Ther 53 (1993): 84-8
  2. Sternbach H "The serotonin syndrome." Am J Psychiatry 148 (1991): 705-13
  3. Insel TR, Roy BF, Cohen RM, Murphy DL "Possible development of the serotonin syndrome in man." Am J Psychiatry 139 (1982): 954-5
  4. Gilman AG, eds., Nies AS, Rall TW, Taylor P "Goodman and Gilman's the Pharmacological Basis of Therapeutics." New York, NY: Pergamon Press Inc. (1990):
  5. "Product Information. Ultram (tramadol)." McNeil Pharmaceutical PROD (2001):
  6. Mills KC "Serotonin syndrome: A clinical update." Crit Care Clin 13 (1997): 763
  7. Chan BSH, Graudins A, Whyte IM, Dawson AH, Braitberg G, Duggin GG "Serotonin syndrome resulting from drug interactions." Med J Aust 169 (1998): 523-5
  8. Weiner AL "Meperidine as a potential cause of serotonin syndrome in the emergency department." Acad Emerg Med 6 (1999): 156-8
  9. Nijhawan PK, Katz G, Winter S "Psychiatric illness and the serotonin syndrome: an emerging adverse drug effect leading to intensive care unit admission." Crit Care Med 24 (1996): 1086-9
  10. Martin TG "Serotonin syndrome." Ann Emerg Med 28 (1996): 520-6
  11. Giese SY, Neborsky R "Serotonin syndrome: potential consequences of Meridia combined with Demerol or fentanyl." Plast Reconstr Surg 107 (2001): 293-4
  12. Boyer EW, Shannon M "The serotonin syndrome." N Engl J Med 352 (2005): 1112-20
  13. Keegan MT, Brown DR, Rabinstein AA "Serotonin syndrome from the interaction of cyclobenzaprine with other serotoninergic drugs." Anesth Analg 103 (2006): 1466-8
  14. "Product Information. Nucynta (tapentadol)." PriCara Pharmaceuticals (2009):
  15. US Food and Drug Administration "FDA warns about serious risks and death when combining opioid pain or cough medicines with benzodiazepines; requires its strongest warning. http://www.fda.gov/downloads/Drugs/DrugSafety/UCM518672.pdf" (2016):
View all 15 references

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Drug and food interactions

Moderate

busPIRone food

Applies to: Vanspar (buspirone)

GENERALLY AVOID: Alcohol may potentiate some of the pharmacologic effects of buspirone. Use in combination may result in additive central nervous system depression and/or impairment of judgment, thinking, and psychomotor skills.

ADJUST DOSING INTERVAL: In a small, randomized, crossover study, the consumption of large amounts of grapefruit juice (compared to water) was associated with significantly increased plasma buspirone concentrations, slightly prolonged elimination half-lives, and delayed times to reach peak drug concentration. The perceived pharmacodynamic effect of buspirone, as measured by subjective drowsiness and overall subjective drug effect, was also enhanced by grapefruit juice. These alterations may stem from the delay of gastric emptying as well as inhibition of CYP450 3A4-mediated first-pass metabolism in the gut wall induced by certain compounds present in grapefruits.

MANAGEMENT: Patients receiving buspirone should be advised to avoid consumption of alcohol. Patients also should preferably avoid the consumption of large amounts of grapefruits and grapefruit juice to prevent any undue fluctuations in plasma drug levels. If this is not possible, the buspirone dose should be taken at least 2 hours before or 8 hours after grapefruit or grapefruit juice. Monitoring for increased CNS depression is recommended.

References

  1. "Product Information. Buspar (buspirone)." Bristol-Myers Squibb PROD (2002):
  2. Lilja JJ, Kivisto KT, Backman JT, Lamberg TS, Neuvonen PJ "Grapefruit juice substantially increases plasma concentrations of buspirone." Clin Pharmacol Ther 64 (1998): 655-60
  3. Bailey DG, Dresser GR, Kreeft JH, Munoz C, Freeman DJ, Bend JR "Grapefruit-felodipine interaction: Effect of unprocessed fruit and probable active ingredients." Clin Pharmacol Ther 68 (2000): 468-77

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Moderate

traMADol food

Applies to: Ryzolt (tramadol)

GENERALLY AVOID: Alcohol may potentiate some of the pharmacologic effects of CNS-active agents. Use in combination may result in additive central nervous system depression and/or impairment of judgment, thinking, and psychomotor skills.

MANAGEMENT: Patients receiving CNS-active agents should be warned of this interaction and advised to avoid or limit consumption of alcohol. Ambulatory patients should be counseled to avoid hazardous activities requiring complete 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. Warrington SJ, Ankier SI, Turner P "Evaluation of possible interactions between ethanol and trazodone or amitriptyline." Neuropsychobiology 15 (1986): 31-7
  2. Gilman AG, eds., Nies AS, Rall TW, Taylor P "Goodman and Gilman's the Pharmacological Basis of Therapeutics." New York, NY: Pergamon Press Inc. (1990):
  3. "Product Information. Fycompa (perampanel)." Eisai Inc (2012):
  4. "Product Information. Rexulti (brexpiprazole)." Otsuka American Pharmaceuticals Inc (2015):
View all 4 references

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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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