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Valtrex

Valtrex (INN ) or valacyclovir (USAN ) is an antiviral drug used in the management of herpes simplex and herpes zoster (shingles). It is a prodrug, being converted in vivo to aciclovir. It is marketed by GlaxoSmithKline under the trade name Valtrex or Zelitrex.

Valtrex (INN) or Valacyclovir (USAN) is a prodrug and synthetic purine nucleoside analogue with inhibitory activity against herpes simplex virus types 1 (HSV-1), 2 (HSV-2), varicella-zoster virus (VZV), Epstein-Barr virus (EBV), and cytomegalovirus (CMV). Valtrex is almost completely converted to acyclovir and L-valine. The inhibitory activity of valtrex is highly selective due to its affinity for the enzyme thymidine kinase (TK) encoded by HSV and VZV. This viral enzyme converts acyclovir into acyclovir monophosphate, which is then converted into acyclovir diphosphate and triphosphate by cellular enzymes. Acyclovir is selectively converted to the active triphosphate form by cells infected with herpes viruses.

Adverse effects of overexposure might include headache and nausea.

Imprints


Drug: Valtrex
Strength: 500 Mg
Pill Imprint: VALTREX 500 Mg
Color: Blue
Shape: Elliptical / Oval

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Drug: Valtrex
Strength: 1 Gram
Pill Imprint: VALTREX 1 Gram
Color: Blue
Shape: Elliptical / Oval

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Drug: Valtrex
Strength: 500 Mg
Pill Imprint: VALTREX 500 Mg
Color: Blue
Shape: Elliptical / Oval

View Images & Details

Drug: Valtrex
Strength: 1 Gram
Pill Imprint: VALTREX 1 Gram
Color: Blue
Shape: Elliptical / Oval

View Images & Details
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