Drug Interactions With Vardenafil

Some of the drugs that can potentially interact with vardenafil include alpha blockers, ritonavir, and indinavir. Drug interactions with vardenafil can (in some cases) lead to an increased chance of fainting or decreased blood pressure. People who are taking nitrates (including recreational drugs called "poppers") should not use vardenafil, and people who drink grapefruit juice may want to avoid grapefruit juice while taking vardenafil.

An Overview of Drug Interactions With Vardenafil

Vardenafil HCL (Levitra®) can potentially interact with a number of other medicines. Some of these possible drug interactions with vardenafil include:
 
 
  • Certain heart arrhythmia medicines, such as:
     
    • Amiodarone (Cordarone®)
    • Quinidine
    • Procainamide (Procanbid®, Pronestyl®)
    • Sotalol (Betapace).
 
  • Certain antibiotics or antifungals, such as:
     
    • Clarithromycin (Biaxin®)
    • Erythromycin (Ery-Tab®)
    • Isoniazid (Nydrazid®)
    • Itraconazole (Sporanox®)
    • Ketoconazole (Nizoral®)
    • Miconazole
    • Telithromycin (Ketek®)
 
  • Grapefruit juice
  • Nitrates, such as:
     
    • Isosorbide dinitrate (BiDil®, Dilatrate® SR, Isochron™, Isordil®)
    • Isosorbide mononitrate (Imdur®, Ismo®, Monoket®)
    • Nitroglycerin tablets or capsules (Nitroquick®, Nitrostat®, Nitro-Time®)
    • Nitroglycerin ointment (Nitro-Bid®)
    • Nitroglycerin patches (Minitran®, Nitrodisc®, Nitro-Dur®, Transderm-Nitro®, Transderm-NTG®)
    • Nitroglycerin spray (Nitrolingual®)
 
 
(Drug Interactions With Vardenafil Continued: Page 2)
Written by/reviewed by: Kristi Monson, PharmD; Arthur Schoenstadt, MD
Last reviewed by: Kristi Monson, PharmD;
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