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Drug Interactions between clorazepate and nefazodone

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

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Interactions between your drugs

Moderate

clorazepate nefazodone

Applies to: clorazepate and nefazodone

MONITOR: Nefazodone, when administered with alprazolam or triazolam, has been reported to increase their half-life, area under the plasma concentration-time curve, and peak plasma concentrations. Increased sedation and altered psychomotor performance have resulted. The mechanism appears to be inhibition of the CYP450 3A4 enzyme by nefazodone. This interaction may occur with all benzodiazepines that undergo oxidative metabolism, although it has been reported only with alprazolam and triazolam.

MANAGEMENT: Patients receiving this combination should be monitored for excessive and prolonged sedation. It may be necessary to adjust benzodiazepine dosage when nefazodone is started or stopped. Lorazepam, oxazepam, and temazepam undergo conjugative metabolism and may be suitable alternatives.

References (5)
  1. (2001) "Product Information. Serzone (nefazodone)." Bristol-Myers Squibb
  2. Kroboth PD, Mcauley JW, Derry CL (1995) "Time-dependent sensitization to triazolam? An observation in three studies." J Clin Psychopharmacol, 15, p. 192-6
  3. Barbhaiya RH, Shukla UA, Kroboth PD, Greene DS (1995) "Coadministration of nefazodone and benzodiazepines: 2. a pharmacokinetic interaction study with triazolam." J Clin Psychopharmacol, 15, p. 320-6
  4. Riesenman C (1995) "Antidepressant drug interactions and the cytochrome p450 system: a critical appraisal." Pharmacotherapy, 15, s84-99
  5. Greene DS, Salazar DE, Dockens RC, Kroboth P, Barbhaiya RH (1995) "Coadministration of nefazodone and benzodiazepines: 3. a pharmacokinetic interaction study with alprazolam." J Clin Psychopharmacol, 15, p. 399-408

Drug and food interactions

Moderate

clorazepate food

Applies to: clorazepate

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 (4)
  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
Moderate

nefazodone food

Applies to: nefazodone

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 (4)
  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

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.

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