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Guaifenesin DAC and Nefazodone

Determining the interaction of Guaifenesin DAC and Nefazodone and the possibility of their joint administration.

Check result:

Guaifenesin DAC <> Nefazodone

Relevance: 02.09.2023 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 codeine. You may need a dose adjustment or more frequent monitoring by your doctor to safely use both medications. Contact your doctor if your condition changes or you experience increased side effects. 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: Coadministration with nefazodone may increase the plasma concentrations of drugs that are substrates of the CYP450 3A4 isoenzyme. The mechanism is decreased clearance due to inhibition of CYP450 3A4 activity by nefazodone.

MANAGEMENT: Caution is advised if nefazodone must be used concomitantly with medications that undergo metabolism by CYP450 3A4, particularly those with a narrow therapeutic range. A lower initial dosage, as well as clinical and laboratory monitoring, may be appropriate for some drugs.

References

"Product Information. Serzone (nefazodone)." Bristol-Myers Squibb, Princeton, NJ.

Guaifenesin DAC

Generic Name: codeine / guaifenesin / pseudoephedrine

Brand name: Cheratussin DAC, Coditussin DAC, Guaifenesin DAC, Lortuss EX, Tricode GF, Robitussin-DAC, Ryna-CX, Medent C, Novahistine Expectorant, Nucofed Expectorant, Tussar-2, Deproist with Codeine, Co-Histine Expectorant, Decohistine Expectorant, Dihistine Expectorant with Codeine, Dihistine Expectorant, Phenhist Expectorant, Halotussin DAC, Novadyne Expectorant, Nucochem Pediatric Expectorant, Nucochem Expectorant, Nuco-Tuss Pediatric Expectorant, Nucodine Pediatric, Cycofed Expectorant, KG-Fed Expectorant, Nucodine Expectorant, Deconsal C Expectorant, Guaiatussin DAC, Guiatuss DAC, Mytussin DAC, Guiatussin DAC, Cycofed Pediatric Expectorant, KG-Fed Pediatric Expectorant, Tussar SF, Phenylhistine Expectorant, Nuco-Tuss Expectorant, Nucochem, Dihistine, Gua PC, Codahistine Expectorant, GuaiFENesin DAC Liquid, Novagest with Codeine, Codafed, Codafed Pediatric, Ambifed-G CD, Maxifed CD, Ambifed-G CDX, Ambifed CDX, Maxifed-G CDX, Maxifed CDX, Suttar-2, Suttar SF, Z-Tuss E

Synonyms: n.a.

What is Guaifenesin DAC?

Nefazodone

Generic Name: nefazodone

Brand name: Serzone

Synonyms: n.a.

What is Nefazodone?

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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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