Usual Adult Dose for Herpes Zoster -- Prophylaxis:
0.65 mL subcutaneously in the deltoid once
Comments: Do not give IV or intramuscularly.
Use: Prevention of herpes zoster (shingles) in individuals 50 years of age and older.
 Detailed Zostavax dosage information
What happens if I miss a dose?
Since Zostavax is given as a one-time injection, you are not likely to be on a dosing schedule.
What happens if I overdose?
An overdose of this vaccine is unlikely to occur.
