Letermovir Injection and Sumatriptan and naproxen
Determining the interaction of Letermovir Injection and Sumatriptan and naproxen and the possibility of their joint administration.
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:Letermovir may reduce the blood levels and effects of naproxen. Contact your doctor if your symptoms worsen or your condition changes during treatment with these medications. 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. 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 letermovir may decrease the plasma concentrations of drugs that are metabolized by CYP450 2C9 and/or 2C19. The interaction has been studied with voriconazole, a substrate of CYP450 2C9 and 2C19. According to the product labeling, voriconazole peak plasma concentration (Cmax), systemic exposure (AUC) and concentration at 12 hours postdose (C12hr) decreased by an average of 39%, 44% and 51%, respectively, when voriconazole 200 mg orally twice daily was coadministered with letermovir 480 mg orally once daily.
MANAGEMENT: Caution is advised when letermovir is used concomitantly with drugs that are substrates of CYP450 2C9 and/or 2C19, particularly those with a narrow therapeutic range. Dosage adjustments as well as clinical and laboratory monitoring may be appropriate for some drugs whenever letermovir is added to or withdrawn from therapy.
- "Product Information. Prevymis (letermovir)." Merck & Company Inc, Whitehouse Station, NJ.
Generic Name: letermovir
Brand name: Prevymis
Synonyms: Letermovir (oral/injection), Letermovir
Generic Name: naproxen / sumatriptan
Brand name: Treximet
Synonyms: Sumatriptan and Naproxen
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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