You should not take valacyclovir if you are allergic to Valtrex, valacyclovir hydrochloride, or any inactive component used to make valacyclovir. Your healthcare provider or pharmacist has a list of the inactive ingredients. Valacyclovir is closely related to acyclovir (Zovirax®), so you should not take valacyclovir if you are allergic to acyclovir.
Warnings and Precautions With Valacyclovir: A Summary
There are a number of situations in which valacyclovir should not be taken, as well as several precautions and warnings to be aware of with valacyclovir. However, it is possible that not all of the warnings and precautions with valacyclovir were discussed in this article. Therefore, you should talk with your healthcare provider about any that may apply to you.
Written by/reviewed by: Kristi Monson, PharmD;Arthur Schoenstadt, MD
Last reviewed by: KristiMonson, PharmD;
List of references (click here):
Valtrex [package insert]. Research Triangle Park, NC: GlaxoSmithKline;2010 March.
Food and Drug Administration, Center for Drug Evaluation and Research. Electronic orange book: approved drug products with therapeutic equivalence evaluations. FDA Web site. Available at: http://www.fda.gov/cder/ob/. Accessed December 4, 2009.
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