Administration of an antiviral agent (acyclovir, Valacyclovir, and famciclovir) in the first 72 hours of VZV infection can prevent PHN [1]
and WHO/FAO (2004) and depending on age, range from 1.5 and 4.0g/day, for adults

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The obesity trial studied a substantially heavier population, while lean-recomposition reports describe a lighter one
For decades, it has been used clinically around the world to treat chronic viral infections, immune deficiency states, and as an adjunct in cancer treatment