Fosaprepitant and Phenytoin Extended-Release Capsules
Determining the interaction of Fosaprepitant and Phenytoin Extended-Release Capsules 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:Using phenytoin together with fosaprepitant may decrease the effects of either medication. Contact your doctor if your condition changes. If your doctor does prescribe these medications together, you may need a dose adjustment or special test 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: Theoretically, coadministration of phenytoin and aprepitant may result in decreased plasma concentrations of both drugs. The mechanism is phenytoin induction of CYP450 3A4, of which aprepitant is a substrate, and aprepitant induction of CYP450 2C9, of which phenytoin is a substrate.
MANAGEMENT: During coadministration of aprepitant and phenytoin, the possibility of a diminished therapeutic response to both drugs should be considered. Pharmacologic response should be monitored more closely whenever one or the other drug is added to or withdrawn from therapy, and the dosage(s) adjusted as necessary.
- "Product Information. Emend for Injection (fosaprepitant)." Merck & Company Inc, West Point, PA.
- "Product Information. Emend (aprepitant)." Merck & Company Inc, West Point, PA.
Generic Name: fosaprepitant
Brand name: Emend for Injection
Synonyms: n.a.
Generic Name: phenytoin
Brand name: Dilantin, Phenytek, Dilantin Infatabs, Phenytoin Sodium, Prompt
Synonyms: Phenytoin
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.
- Fosaprepitant-Phenytoin Infatabs
- Fosaprepitant-Phenytoin injection
- Fosaprepitant-Phenytoin Intravenous
- Fosaprepitant-Phenytoin Oral Suspension
- Fosaprepitant-Phenytoin Sodium
- Fosaprepitant-Phenytoin Sodium, Prompt injection
- Phenytoin Extended-Release Capsules-Fosaprepitant Injection
- Phenytoin Extended-Release Capsules-Fosaprepitant Intravenous
- Phenytoin Extended-Release Capsules-Foscarnet
- Phenytoin Extended-Release Capsules-Foscarnet Intravenous
- Phenytoin Extended-Release Capsules-Foscarnet Sodium
- Phenytoin Extended-Release Capsules-Foscavir