Amiodarone Injection Solution and Fluconazole Injection Solution
Determining the interaction of Amiodarone Injection Solution and Fluconazole Injection Solution 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:Talk to your doctor before using amiodarone together with fluconazole. Combining these medications may significantly increase the blood levels and effects of amiodarone. High blood levels of amiodarone can occasionally cause an irregular heart rhythm that may be serious. You should seek immediate medical attention if you develop sudden dizziness, lightheadedness, fainting, or fast or pounding heartbeats during treatment with amiodarone. 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:GENERALLY AVOID: Coadministration with azole antifungal agents may significantly increase the plasma concentrations of amiodarone. The proposed mechanism is azole inhibition of CYP450 3A4, the isoenzyme responsible for the metabolic clearance of amiodarone. The use of amiodarone has been associated with prolongation of the QT interval, thus elevated plasma levels of the drug may potentiate the risk of ventricular arrhythmias such as ventricular tachycardia and torsade de pointes as well as cardiac arrest and sudden death. Within the azole class, ketoconazole and itraconazole are considered potent inhibitors, while fluconazole is comparatively weak and generally causes clinically significant interactions with CYP450 3A4 substrates only at dosages of 200 mg/day or more.
MANAGEMENT: Given the potential for serious and life-threatening adverse cardiac events associated with increased plasma levels of amiodarone, concomitant use with azole antifungal agents should generally be avoided if possible. Otherwise, caution and close clinical monitoring are recommended, and patients should be advised to seek medical attention if they experience symptoms that could indicate the occurrence of torsade de pointes such as dizziness, palpitations, or syncope.
- "Product Information. Cordarone (amiodarone)." Wyeth-Ayerst Laboratories, Philadelphia, PA.
- "Product Information. Cordarone Intravenous (amiodarone)." Wyeth-Ayerst Laboratories, Philadelphia, PA.
- Fabre G, Julian B, Saint-Aubert B, Joyeux H, Berger Y "Evidence for CYP3A-mediated N-deethylation of amiodarone in human liver microsomal fractions." Drug Metab Dispos 21 (1993): 978-85
Generic Name: amiodarone
Brand name: Pacerone, Cordarone, Nexterone
Synonyms: Amiodarone
Generic Name: fluconazole
Brand name: Diflucan
Synonyms: Fluconazole
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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