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Drug Interactions between Epitol and metocurine

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

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Interactions between your drugs

Moderate

carBAMazepine metocurine

Applies to: Epitol (carbamazepine) and metocurine

MONITOR: Carbamazepine may reduce the effects or duration of nondepolarizing neuromuscular blocking agents. The mechanism is unknown.

MANAGEMENT: Close observation for decreased neuromuscular blocking effect is recommended if a patient on carbamazepine must receive a nondepolarizing neuromuscular blocking agent.

References

  1. Roth S, Ebrahim ZY (1987) "Resistance to pancuronium in patients receiving carbamazepine." Anesthesiology, 66, p. 691-3
  2. Tempelhoff R, Modica PA, Jellish WS, Spitznagel EL (1990) "Resistance to atracurium-induced neuromuscular blockade in patients with intractable seizure disorders treated with anticonvulsants." Anesth Analg, 71, p. 665-9
  3. Norman J (1993) "Resistance to vecuronium." Anaesthesia, 48, p. 1068-9
  4. Whalley DG, Ebrahim Z (1994) "Influence of carbamazepine on the dose-response relationship of vecuronium." Br J Anaesth, 72, p. 125-6
View all 4 references

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Drug and food interactions

Moderate

carBAMazepine food

Applies to: Epitol (carbamazepine)

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

In a small, randomized, crossover study, the administration of carbamazepine with grapefruit juice (compared to water) increased plasma drug concentrations by approximately 40%. The proposed mechanism is inhibition of CYP450 3A4-mediated first-pass metabolism in the gut wall by certain compounds present in grapefruits.

MANAGEMENT: Patients receiving carbamazepine should be advised to avoid or limit consumption of alcohol. Given the drug's narrow therapeutic index, patients receiving carbamazepine therapy should preferably avoid the regular consumption of grapefruits and grapefruit juice to prevent any undue fluctuations in plasma drug levels. Patients should be advised to report signs of carbamazepine toxicity (nausea, visual disturbances, dizziness, or ataxia) to their physicians.

References

  1. (2002) "Product Information. Tegretol (carbamazepine)." Novartis Pharmaceuticals
  2. Garg SK, Kumar N, Bhargava VK, Prabhakar SK (1998) "Effect of grapefruit juice on carbamazepine bioavailability in patients with epilepsy." Clin Pharmacol Ther, 64, p. 286-8
  3. Bailey DG, Dresser GR, Kreeft JH, Munoz C, Freeman DJ, Bend JR (2000) "Grapefruit-felodipine interaction: Effect of unprocessed fruit and probable active ingredients." Clin Pharmacol Ther, 68, p. 468-77

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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.


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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.