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Drug Interactions between oxcarbazepine and Prevacid NapraPAC 375

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

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Interactions between your drugs

Moderate

naproxen lansoprazole

Applies to: Prevacid NapraPAC 375 (lansoprazole / naproxen) and Prevacid NapraPAC 375 (lansoprazole / naproxen)

GENERALLY AVOID: Theoretically, proton pump inhibitors may decrease the gastrointestinal absorption of enteric-coated naproxen, which requires an acidic environment for dissolution. The proposed mechanism is an increase in gastric pH (i.e. decreased gastric acidity) induced by proton pump inhibitors. In patients treated with proton pump inhibitors, the possibility of a reduced or subtherapeutic response to enteric-coated naproxen should be considered.

MANAGEMENT: Concomitant use of these drugs is generally not recommended.

References

  1. (2002) "Product Information. Naprosyn (naproxen)." Syntex Laboratories Inc

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Moderate

lansoprazole OXcarbazepine

Applies to: Prevacid NapraPAC 375 (lansoprazole / naproxen) and oxcarbazepine

MONITOR: Coadministration with oxcarbazepine may increase the plasma concentrations of drugs that are substrates of the CYP450 2C19 isoenzyme. The mechanism is decreased clearance due to inhibition of CYP450 2C19 activity by oxcarbazepine and its active metabolite 10-monohydroxy derivative, or MHD. In vivo, the plasma levels of phenytoin, a CYP450 2C19 substrate, increased by up to 40% when oxcarbazepine was given at dosages above 1200 mg/day.

MANAGEMENT: Caution is advised if higher dosages of oxcarbazepine must be used concurrently with medications that undergo metabolism by CYP450 2C19, particularly those with a narrow therapeutic range. Dosage adjustments as well as clinical and laboratory monitoring may be appropriate for some drugs whenever oxcarbazepine is added to or withdrawn from therapy.

References

  1. (2001) "Product Information. Trileptal (oxcarbazepine)." Novartis Pharmaceuticals
  2. Cerner Multum, Inc. "Australian Product Information."

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Drug and food interactions

Moderate

OXcarbazepine food

Applies to: oxcarbazepine

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 (1986) "Evaluation of possible interactions between ethanol and trazodone or amitriptyline." Neuropsychobiology, 15, p. 31-7
  2. Gilman AG, eds., Nies AS, Rall TW, Taylor P (1990) "Goodman and Gilman's the Pharmacological Basis of Therapeutics." New York, NY: Pergamon Press Inc.
  3. (2012) "Product Information. Fycompa (perampanel)." Eisai Inc
  4. (2015) "Product Information. Rexulti (brexpiprazole)." Otsuka American Pharmaceuticals Inc
View all 4 references

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Moderate

naproxen food

Applies to: Prevacid NapraPAC 375 (lansoprazole / naproxen)

GENERALLY AVOID: The concurrent use of aspirin or nonsteroidal anti-inflammatory drugs (NSAIDs) and ethanol may lead to gastrointestinal (GI) blood loss. The mechanism may be due to a combined local effect as well as inhibition of prostaglandins leading to decreased integrity of the GI lining.

MANAGEMENT: Patients should be counseled on this potential interaction and advised to refrain from alcohol consumption while taking aspirin or NSAIDs.

References

  1. (2002) "Product Information. Motrin (ibuprofen)." Pharmacia and Upjohn

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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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