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Giltuss and Zyvox (Linezolid Suspension)

Determining the interaction of Giltuss and Zyvox (Linezolid Suspension) and the possibility of their joint administration.

Check result:
Giltuss <> Zyvox (Linezolid Suspension)
Relevance: 15.10.2023 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:

Using dextromethorphan together with linezolid can increase the risk of a rare but serious condition called the serotonin syndrome, which may include symptoms such as confusion, hallucination, seizure, extreme changes in blood pressure, increased heart rate, fever, excessive sweating, shivering or shaking, blurred vision, muscle spasm or stiffness, tremor, incoordination, stomach cramp, nausea, vomiting, and diarrhea. Severe cases may result in coma and even death. You should seek immediate medical attention if you experience these symptoms during treatment. Talk to your doctor if you have any questions or concerns. Your doctor may be able to prescribe alternatives that do not interact, or you may need a dose adjustment or more frequent monitoring to safely use both medications. Do not take any over-the-counter cough and cold medicine without consulting with a healthcare professional or checking the label first, as these products may contain dextromethorphan and may interact similarly with linezolid. 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:

CONTRAINDICATED: Coadministration of dextromethorphan with linezolid may increase the risk of serotonin syndrome, a rare but serious and potentially fatal condition thought to result from hyperstimulation of brainstem 5-HT1A and 2A receptors. Dextromethorphan is a weak serotonin reuptake inhibitor whose serotonergic activity may be enhanced by monoamine oxidase inhibitors (MAOIs). Serious and fatal reactions have been reported, primarily with the antidepressant MAOIs. The risk should be lower with linezolid, a relatively weak, reversible MAOI. When linezolid (600 mg orally every 12 hours for 6 days) and dextromethorphan (20 mg orally twice, 4 hours apart, on days 4 and 6 of linezolid administration) were given to 14 healthy volunteers, no changes in mental status (sedation, performance testing) or autonomic function (blood pressure, heart rate, body temperature) were observed relative to administration of either linezolid or dextromethorphan alone. The conversion of dextromethorphan to its primary metabolite was reduced by linezolid, as evidenced by an approximately 30% decrease in dextrorphan peak plasma concentration (Cmax) and systemic exposure (AUC) during coadministration, but clinical significance is unknown. The investigators concluded that linezolid may be prescribed with dextromethorphan without restrictions. There have been no published reports of serotonin syndrome with the concomitant use of dextromethorphan and linezolid, although known cases have been associated individually with each during coadministration with other serotonergic agents. The British labeling for linezolid describes a postmarketing report of a patient experiencing serotonin syndrome-like effects during concurrent use of dextromethorphan that resolved upon discontinuation of both drugs.

MANAGEMENT: Due to the risk of serotonin syndrome, concomitant use of dextromethorphan with MAOIs is considered contraindicated by manufacturers of dextromethorphan-containing products. If coadministration with linezolid is required, patients should be monitored for the development of serotonin syndrome. Symptoms may include mental status changes such as irritability, altered consciousness, confusion, hallucinations, and coma; autonomic dysfunction such as tachycardia, hyperthermia, diaphoresis, shivering, blood pressure lability, and mydriasis; neuromuscular abnormalities such as hyperreflexia, myoclonus, tremor, rigidity, and ataxia; and gastrointestinal symptoms such as abdominal cramping, nausea, vomiting, and diarrhea.

References
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Giltuss

Generic Name: dextromethorphan / guaifenesin / phenylephrine

Brand name: Broncotron-D, Duravent DM, Giltuss, Mucinex Fast-Max Severe Congestion & Cough, Phlemex Forte, Robitussin Children's Cough & Cold CF, Robitussin Multi-Symptom Cold, Tusicof, Tussin CF, Vanacof DM, Z-tuss DM, Deconex DMX, Maxiphen DM, Tussex, Tussafed-EX, Sinutuss DM, GDP-EX, Duraphen DM, TriTuss, TriTuss-ER, Tussafed-EX Drops, Certuss-D, Dacex-PE, Anextuss, Dexcon-PE, Zotex LAX, Dacex-DM, Dexcon-DM, Duraphen II DM, Duraphen Forte, G-Phen DM, Despec DM Syrup, Phlemex-PE, Guaphen Forte, Guaphen II DM, Z-Dex, Aquatab C, Robafen CF, DuraMAX, Tusso-XR, Tusso-DM, Robitussin Cough & Cold CF, Ambi 40/1000/60, Maxiphen-G DM, Robitussin Pediatric Cough & Cold CF, Deconex DM, PDM GG, ExeTuss-DM, Endacon DM, Giltuss TR, Q-Tussin CF, Tusso-DMR, Execof ER, Dynatuss EX, Zotex, Robitussin Cough & Cold CF To Go, Zotex-EX, Endacon, Robitussin Cough & Cold CF Max, Mucinex Children's Multi-Symptom Cold, Supress-DX, Tussi-Pres, Tussi-Pres Pediatric, Pres Gen Pediatric, Pres Gen, Robitussin Peak Cold Max Strenth Multi-S, G-Tusicof, Adult Severe Congestion & Cough, Giltuss Pediatrics, Desgen DM, G-Supress DX, Tusslin, Desgen Pediatric, G-Tron Ped, Broncotron Ped, Tusslin Pediatric, Nivanex DMX, Relhist DMX, Giltuss Cough & Cold, Children Giltuss Cough & Cold, VanaTab DM, Tukol Cough & Cold, Robitussin Peak Cold Multi-Sympton Cold, Deconex DMX Poly, Tussidex

Synonyms: n.a.

Zyvox (Linezolid Suspension)

Generic Name: linezolid

Brand name: Zyvox

Synonyms: Zyvox

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.

Interaction with food and lifestyle