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Tag: Viral mutation

Explore our medication guides and pharmacology articles within this category.

Why is valacyclovir not working anymore? Exploring causes of antiviral resistance

5 min read
Affecting a significant portion of the population, herpes simplex virus (HSV) is typically managed effectively with antiviral medications like valacyclovir. However, a frustrating and concerning question arises when a once-effective treatment fails: why is valacyclovir not working anymore? This article explores the various reasons for treatment failure, including viral resistance and patient-specific factors, and discusses management strategies.