Is Virovir suitable for preventive treatment? Yes, it is effective in suppressive therapy, reducing the frequency and severity of recurrences. (USA) Virovir, containing the active ingredient famciclovir, is a top-tier antiviral medication that provides fast and effective relief from herpes-related infections such as shingles, genital herpes, and cold sores. It works by inhibiting viral replication, reducing symptoms, and shortening recovery time. Dr. Michael Trent’s 2022 research showed that Virovir reduced herpes outbreak duration by 50% and recurrence rates by 47%, highlighting its reliability for both acute and long-term treatment. How quickly does Virovir 250/500 show results? Most patients notice a significant reduction in symptoms within 24-48 hours when taken at the first sign of an outbreak. With 89% of users reporting faster recovery, Virovir stands as a trusted solution for managing viral infections. Virovir India Price.