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Diastat and Nefazodone Hydrochloride

Determining the interaction of Diastat and Nefazodone Hydrochloride and the possibility of their joint administration.

Check result:
Diastat <> Nefazodone Hydrochloride
Relevance: 22.06.2023 Reviewer: Shkutko P.M., M.D., in

In the database of official manuals used in the service creation an interaction registered by statistical results of studies was found, which can either lead to negative consequences for the patient health or strengthen a mutual positive effect. A doctor should be consulted to address the issue of joint drug administration.

Consumer:

Nefazodone may increase the blood levels and effects of diazePAM. This can increase the risk of side effects including excessive drowsiness and breathing difficulties. You may need a dose adjustment or more frequent monitoring by your doctor to safely use both medications. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

Professional:

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

Generic Name: diazepam

Brand name: Diastat, Diastat AcuDial, Diastat Pediatric, Valium, Diazepam Intensol, Zetran

Synonyms: n.a.

Nefazodone Hydrochloride

Generic Name: nefazodone

Brand name: Serzone

Synonyms: Nefazodone

In the course of checking the drug compatibility and interactions, data from the following reference sources was used: Drugs.com, Rxlist.com, Webmd.com, Medscape.com.

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