Valacyclovir

🧮 Dose calculator

Herpes labialis (cold sores) · Regimen source: FDA Valacyclovir · 2.1FDA Valacyclovir · 2.2

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👥 Special populations

• 🤰 PregnancyUse with caution

  Label states no clear risk or has limited data; use only if needed, under medical advice. FDA Valacyclovir · 8.1

  “Risk Summary Clinical data over several decades with valacyclovir and its metabolite, acyclovir, in pregnant women, have not identified a drug associated risk of major birth defects.”

• 🤱 BreastfeedingUse with caution

  Label: use with caution while breastfeeding; see the label text. FDA Valacyclovir · 8.2

  “Risk Summary Although there is no information on the presence of valacyclovir in human milk, its metabolite, acyclovir, is present in human milk following oral administration of valacyclovir.”

• 👶 ChildrenUse with caution

  The label has conditions, age limits or notes for children; the label sentence is quoted below. FDA Valacyclovir · 8.4

  “The efficacy and safety of valacyclovir have not been established in pediatric patients: • aged less than 12 years with cold sores • aged less than 18 years with genital herpes • aged less than 18 years with herpes zoster • aged less than 2 years with chickenpox • for suppressive therapy following neonatal HSV …”

• 👴 Older adultsUse with caution

  Label: use with caution in older adults, usually starting at the low end of the dose range. FDA Valacyclovir · 8.5

  “Elderly patients are also more likely to have renal or CNS adverse events [see Dosage and Administration ( 2.4 ), Warnings and Precautions ( 5.2 , 5.3 ), Clinical Pharmacology ( 12.3 )].”

• ⚥ Females & males of reproductive potentialNo data

  The source for this drug has no section for this group.