Editing Vardenafil (section)

== Interactions ==

Vardenafil should not be used by people taking [[nitrate]] medications, because combining them with vardenafil might provoke potentially life-threatening [[hypotension]] (low blood pressure).<ref>{{cite journal | vauthors = Kloner RA | title = Pharmacology and drug interaction effects of the phosphodiesterase 5 inhibitors: focus on alpha-blocker interactions | journal = The American Journal of Cardiology | volume = 96 | issue = 12B | pages = 42M–46M | date = December 2005 | pmid = 16387566 | doi = 10.1016/j.amjcard.2005.07.011 }}</ref><ref>{{cite journal | vauthors = Carson CC | title = PDE5 inhibitors: are there differences? | journal = The Canadian Journal of Urology | volume = 13 | pages = 34–9 | date = February 2006 | issue = Suppl 1 | pmid = 16526979 | author-link = Culley C. Carson III }}</ref>

Further, vardenafil causes lengthening of the [[QT interval]]. Therefore, it should not be taken by people taking other medications that affect the QT interval (such as [[amiodarone]]).<ref>{{cite journal | vauthors = Lepor H, Lepor NE, Hill LA, Trohman RG | title = The QT Interval and Selection of Alpha-Blockers for Benign Prostatic Hyperplasia | journal = Reviews in Urology | volume = 10 | issue = 2 | pages = 85–91 | date = 2008 | pmid = 18660858 | pmc = 2483321 }}</ref><ref>{{Cite book | veditors = Ciranowicz-Steenburg M |url=https://books.google.com/books?id=PaiBU04wrrgC&q=vardenafil++QT+interval++amiodarone&pg=PA1079|title=2011 Nurse's Drug Handbook |date=June 29, 2010|publisher=Jones & Bartlett Publishers|isbn=978-1-4496-5372-9}}</ref>