Medicine Overview

Indication

Know Medicine, Follow Guideline

Adult Dose

Clinical InformationAdministration Information
Indication: Acute Herpes Zoster (Shingles)
Age: Adults
Condition: Immunocompetent
Dose: Tablet – 500 mg
Frequency: by mouth every 8 hours
Duration: 7 days
Note: Initiated within 72 hours of symptom or lesion onset
Indication: Herpes Labialis
Age: Adults
Condition: Immunocompetent, Initial episode
Dose: Tablet – 250 mg
Frequency: by mouth every 8 hours
Duration: 7-10 days

Child Dose

Clinical InformationAdministration Information
Age: Child
Dose: Tablet – No approved pediatric dosage available
Note: No approved pediatric dosage available

Renal Dose

Clinical InformationAdministration Information
Indication: Acute herpes zoster
Condition: Creatinine clearance greater than 60 mL/min
Dose: Tablet – Regular dosage
Note: Regular dosage refers to standard dosing for patients with normal renal function
Indication: Acute herpes zoster
Condition: Creatinine clearance 40-59 mL/min
Dose: Tablet – 500 mg
Frequency: every 12 hours
Administration
  • Can be taken with or without food
  • Take full course as prescribed
Side Effect

Drug Interaction

Drug NameRisk Factors
Probenecid
Reduced renal excretion resulting in increased plasma concentration
Raloxifen
May reduce the formation of penciclovir, the active metabolite of famciclovir

Disease Interaction

Disease NameRisk Factors
Data not available
Data not available

Pregnancy

Lactation
Special Use
Precaution
Overdose
Pharmacology
Storage
Store at 20-25°C.

Data Sources

Clinical & regulatory information on this page is compiled from the following government sources:

DISCLAIMER: This drug information content is provided for informational purposes only and is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Patients should always consult their physician with any questions regarding a medical condition and to obtain medical advice and treatment.