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Drug Interaction Report

7 potential interactions and/or warnings found for the following 2 drugs:

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Interactions between your drugs

Major

buPROPion procarbazine

Applies to: Contrave (bupropion / naltrexone), procarbazine

CONTRAINDICATED: Coadministration of bupropion with other drugs that also inhibit the reuptake of dopamine or norepinephrine, including monoamine oxidase inhibitors (MAOIs), may increase the risk of hypertensive reactions. Additionally, MAOIs can increase dopaminergic and noradrenergic activity by inhibiting the metabolism of dopamine and norepinephrine. Studies in animals demonstrate that the acute toxicity of bupropion may also be enhanced by MAOIs. The interaction has been reported with phenelzine.

MANAGEMENT: Concurrent use of bupropion with MAOIs or other agents that possess MAOI activity (e.g., furazolidone, linezolid, procarbazine) is considered contraindicated. At least 14 days (or 24 hours for reversible MAOIs such as moclobemide and linezolid) should elapse between discontinuation of MAOI therapy and initiation of treatment with bupropion. Conversely, at least 14 days should elapse after discontinuation of bupropion and initiation of MAOI therapy.

References

  1. Pettinger WA, Soyangco FG, Oates JA (1968) "Inhibition of monoamine oxidase in man by furazolidone." Clin Pharmacol Ther, 9, p. 442-7
  2. Schulz R, Antonin KH, Hoffmann E, et al. (1989) "Tyramine kinetics and pressor sensitivity during monoamine oxidase inhibition by selegiline." Clin Pharmacol Ther, 46, p. 528-36
  3. James WA, Lippmann S (1991) "Bupropion: overview and prescribing guidelines in depression." South Med J, 84, p. 222-4
  4. (2001) "Product Information. Wellbutrin (bupropion)." Glaxo Wellcome
  5. De Vita VT, Hahn MA, Oliverio VT (1965) "Monoamine oxidase inhibition by a new carcinostatic agent, n-isopropyl-a-(2-methylhydrazino)-p-toluamide (MIH). (30590)." Proc Soc Exp Biol Med, 120, p. 561-5
  6. (2001) "Product Information. Zyvox (linezolid)." Pharmacia and Upjohn
View all 6 references

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Moderate

buPROPion naltrexone

Applies to: Contrave (bupropion / naltrexone), Contrave (bupropion / naltrexone)

GENERALLY AVOID: Coadministration of naltrexone with other agents known to induce hepatotoxicity may potentiate the risk of liver injury. Naltrexone, especially in larger than recommended doses (more than 50 mg/day), has been associated with hepatocellular injury, hepatitis, and elevations in liver transaminases and bilirubin. Other potential causative or contributory etiologies identified include preexisting alcoholic liver disease, hepatitis B and/or C infection, and concomitant usage of other hepatotoxic drugs.

MANAGEMENT: The use of naltrexone with other potentially hepatotoxic agents should be avoided whenever possible (e.g., acetaminophen; alcohol; androgens and anabolic steroids; antituberculous agents; azole antifungal agents; ACE inhibitors; cyclosporine (high dosages); disulfiram; endothelin receptor antagonists; interferons; ketolide and macrolide antibiotics; kinase inhibitors; minocycline; nonsteroidal anti-inflammatory agents; nucleoside reverse transcriptase inhibitors; proteasome inhibitors; retinoids; sulfonamides; tamoxifen; thiazolidinediones; tolvaptan; vincristine; zileuton; anticonvulsants such as carbamazepine, hydantoins, felbamate, and valproic acid; lipid-lowering medications such as fenofibrate, lomitapide, mipomersen, niacin, and statins; herbals and nutritional supplements such as black cohosh, chaparral, comfrey, DHEA, kava, pennyroyal oil, and red yeast rice). Patients should be advised to seek medical attention if they experience potential signs and symptoms of hepatotoxicity such as fever, rash, itching, anorexia, nausea, vomiting, fatigue, malaise, right upper quadrant pain, dark urine, pale stools, and jaundice. Periodic monitoring of hepatic function is advisable.

References

  1. (2001) "Product Information. ReVia (naltrexone)." DuPont Pharmaceuticals

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Drug and food interactions

Major

procarbazine food

Applies to: procarbazine

CONTRAINDICATED: Foods that contain large amounts of tyramine may precipitate a hypertensive crisis in patients treated with monoamine oxidase inhibitors (MAOIs). The mechanism is inhibition of MAO-A, the enzyme responsible for metabolizing exogenous amines such as tyramine in the gut and preventing them from being absorbed intact. Once absorbed, tyramine is metabolized to octopamine, a substance that is believed to displace norepinephrine from storage granules.

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

MANAGEMENT: In general, patients treated with MAOIs or other agents that possess MAOI activity (e.g., furazolidone, linezolid, procarbazine) should avoid consumption of products that contain large amounts of amines and protein foods in which aging or breakdown of protein is used to increase flavor. These foods include cheese (particularly strong, aged or processed cheeses), sour cream, wine (particularly red wine), champagne, beer, pickled herring, anchovies, caviar, shrimp paste, liver (particularly chicken liver), dry sausage, salamis, figs, raisins, bananas, avocados, chocolate, soy sauce, bean curd, sauerkraut, yogurt, papaya products, meat tenderizers, fava bean pods, protein extracts, yeast extracts, and dietary supplements. Caffeine may also precipitate hypertensive crisis so its intake should be minimized as well. At least 14 days should elapse following discontinuation of MAOI therapy before these foods may be consumed. Specially designed reference materials and dietary consultation are recommended so that an appropriate and safe diet can be planned. Patients should be advised to promptly seek medical attention if they experience potential signs and symptoms of a hypertensive crisis such as severe headache, visual disturbances, difficulty thinking, stupor or coma, seizures, chest pain, unexplained nausea or vomiting, and stroke-like symptoms. Patients should also be counseled not to use MAOIs with alcohol, and to avoid hazardous activities requiring complete mental alertness and motor coordination until they know how these agents affect them.

References

  1. Pettinger WA, Soyangco FG, Oates JA (1968) "Inhibition of monoamine oxidase in man by furazolidone." Clin Pharmacol Ther, 9, p. 442-7
  2. Goldberg LI (1964) "Monoamine oxidase inhibitors: adverse reactions and possible mechanisms." JAMA, 190, p. 456-62
  3. Nuessle WF, Norman FC, Miller HE (1965) "Pickled herring and tranylcypromine reaction." JAMA, 192, p. 142-3
  4. Sweet RA, Liebowitz MR, Holt CS, Heimberg RG (1991) "Potential interactions between monoamine oxidase inhibitors and prescribed dietary supplements." J Clin Psychopharmacol, 11, p. 331-2
  5. Walker JI, Davidson J, Zung WWK (1984) "Patient compliance with MAO Inhibitor therapy." J Clin Psychiatry, 45, p. 78-80
  6. Ban TA (1975) "Drug interactions with psychoactive drugs." Dis Nerv Syst, 36, p. 164-6
  7. Darcy PF, Griffin JP (1995) "Interactions with drugs used in the treatment of depressive illness." Adverse Drug React Toxicol Rev, 14, p. 211-31
  8. Maxwell MB (1980) "Reexamining the dietary restrictions with procarbazine (an MAOI)." Cancer Nurs, 3, p. 451-7
  9. (2001) "Product Information. Matulane (procarbazine)." Roche Laboratories
  10. De Vita VT, Hahn MA, Oliverio VT (1965) "Monoamine oxidase inhibition by a new carcinostatic agent, n-isopropyl-a-(2-methylhydrazino)-p-toluamide (MIH). (30590)." Proc Soc Exp Biol Med, 120, p. 561-5
  11. Zetin M, Plon L, DeAntonio M (1987) "MAOI reaction with powdered protein dietary supplement." J Clin Psychiatry, 48, p. 499
  12. Domino EF, Selden EM (1984) "Red wine and reactions." J Clin Psychopharmacol, 4, p. 173-4
  13. Tailor SA, Shulman KI, Walker SE, Moss J, Gardner D (1994) "Hypertensive episode associated with phenelzine and tap beer--a reanalysis of the role of pressor amines in beer." J Clin Psychopharmacol, 14, p. 5-14
  14. Pohl R, Balon R, Berchou R (1988) "Reaction to chicken nuggets in a patient taking an MAOI." Am J Psychiatry, 145, p. 651
  15. (2001) "Product Information. Furoxone (furazolidone)." Roberts Pharmaceutical Corporation
  16. (2001) "Product Information. Nardil (phenelzine)." Parke-Davis
  17. (2001) "Product Information. Marplan (isocarboxazid)." Roche Laboratories
  18. (2001) "Product Information. Zyvox (linezolid)." Pharmacia and Upjohn
  19. Martin TG (1996) "Serotonin syndrome." Ann Emerg Med, 28, p. 520-6
View all 19 references

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Moderate

buPROPion food

Applies to: Contrave (bupropion / naltrexone)

GENERALLY AVOID: Excessive use or abrupt discontinuation of alcohol after chronic ingestion may precipitate seizures in patients receiving bupropion. Additionally, there have been rare postmarketing reports of adverse neuropsychiatric events or reduced alcohol tolerance in patients who drank alcohol during treatment with bupropion. According to one forensic report, a patient died after taking large doses of both bupropion and alcohol. It is uncertain whether a drug interaction was involved. Single-dose studies in healthy volunteers given bupropion and alcohol failed to demonstrate either a significant pharmacokinetic or pharmacodynamic interaction.

MANAGEMENT: The manufacturer recommends that alcohol consumption be minimized or avoided during bupropion treatment. The use of bupropion is contraindicated in patients undergoing abrupt discontinuation of alcohol.

References

  1. Posner J, Bye A, Jeal S, Peck AW, Whiteman P (1984) "Alcohol and bupropion pharmacokinetics in healthy male volunteers." Eur J Clin Pharmacol, 26, p. 627-30
  2. Ramcharitar V, Levine BS, Goldberger BA, Caplan YH (1992) "Bupropion and alcohol fatal intoxication: case report." Forensic Sci Int, 56, p. 151-6
  3. Hamilton MJ, Bush MS, Peck AW (1984) "The effect of bupropion, a new antidepressant drug, and alcohol and their interaction in man." Eur J Clin Pharmacol, 27, p. 75-80
  4. (2001) "Product Information. Wellbutrin (bupropion)." Glaxo Wellcome
View all 4 references

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Moderate

naltrexone food

Applies to: Contrave (bupropion / naltrexone)

GENERALLY AVOID: Coadministration of naltrexone with other agents known to induce hepatotoxicity may potentiate the risk of liver injury. Naltrexone, especially in larger than recommended doses (more than 50 mg/day), has been associated with hepatocellular injury, hepatitis, and elevations in liver transaminases and bilirubin. Other potential causative or contributory etiologies identified include preexisting alcoholic liver disease, hepatitis B and/or C infection, and concomitant usage of other hepatotoxic drugs.

MANAGEMENT: The use of naltrexone with other potentially hepatotoxic agents should be avoided whenever possible (e.g., acetaminophen; alcohol; androgens and anabolic steroids; antituberculous agents; azole antifungal agents; ACE inhibitors; cyclosporine (high dosages); disulfiram; endothelin receptor antagonists; interferons; ketolide and macrolide antibiotics; kinase inhibitors; minocycline; nonsteroidal anti-inflammatory agents; nucleoside reverse transcriptase inhibitors; proteasome inhibitors; retinoids; sulfonamides; tamoxifen; thiazolidinediones; tolvaptan; vincristine; zileuton; anticonvulsants such as carbamazepine, hydantoins, felbamate, and valproic acid; lipid-lowering medications such as fenofibrate, lomitapide, mipomersen, niacin, and statins; herbals and nutritional supplements such as black cohosh, chaparral, comfrey, DHEA, kava, pennyroyal oil, and red yeast rice). Patients should be advised to seek medical attention if they experience potential signs and symptoms of hepatotoxicity such as fever, rash, itching, anorexia, nausea, vomiting, fatigue, malaise, right upper quadrant pain, dark urine, pale stools, and jaundice. Periodic monitoring of hepatic function is advisable.

References

  1. (2001) "Product Information. ReVia (naltrexone)." DuPont Pharmaceuticals

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Moderate

buPROPion food

Applies to: Contrave (bupropion / naltrexone)

MONITOR: Additive or synergistic effects on blood pressure may occur when bupropion is combined with sympathomimetic agents such as nasal decongestants, adrenergic bronchodilators, ophthalmic vasoconstrictors, and systemic vasopressors. Treatment with bupropion can result in elevated blood pressure and hypertension. In clinical practice, hypertension, in some cases severe and requiring acute treatment, has been observed in patients receiving bupropion alone and in combination with nicotine replacement therapy. These events have occurred in both patients with and without evidence of preexisting hypertension. Furthermore, postmarketing cases of hypertensive crisis have been reported during the initial titration phase with bupropion-naltrexone treatment.

MANAGEMENT: Caution is advised when bupropion is used with other drugs that increase dopaminergic or noradrenergic activity due to an increased risk of hypertension. Blood pressure and heart rate should be measured prior to initiating bupropion therapy and monitored at regular intervals consistent with usual clinical practice, particularly in patients with preexisting hypertension. Dose reduction or discontinuation of bupropion should be considered in patients who experience clinically significant and sustained increases in blood pressure or heart rate.

References

  1. (2022) "Product Information. Auvelity (bupropion-dextromethorphan)." Axsome Therapeutics, Inc., 1
  2. (2022) "Product Information. Zyban (bupropion)." GlaxoSmithKline UK Ltd
  3. (2022) "Product Information. Wellbutrin XL (bupropion)." Bausch Health, Canada Inc.
  4. (2021) "Product Information. Contrave (bupropion-naltrexone)." Currax Pharmaceuticals LLC
View all 4 references

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Moderate

buPROPion food

Applies to: Contrave (bupropion / naltrexone)

MONITOR: The concomitant use of bupropion and nicotine replacement for smoking cessation may increase the risk of hypertension. In a clinical study (n=250), 6.1% of patients who used sustained-release bupropion with nicotine transdermal system developed treatment-emergent hypertension, compared to 2.5% of patients treated with bupropion alone, 1.6% treated with nicotine alone, and 3.1% treated with placebo. Three patients in the bupropion plus nicotine group and one patient in the nicotine-only group discontinued treatment due to hypertension. The majority had evidence of preexisting hypertension.

MANAGEMENT: Blood pressure monitoring is recommended for patients concomitantly using bupropion and nicotine replacement for smoking cessation.

References

  1. (2001) "Product Information. Zyban (bupropion)." Glaxo Wellcome

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Therapeutic duplication warnings

No duplication 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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Further information

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