Posology & Administration

Pre-exposure Prophylaxis (PrEP)

Day of
Administration

Day 0

Day 7

Day 21 or Day 28

Intramuscular
(1
mL)

1 dose

1 dose

1 dose

Intradermal
(0.1
mL)

1 dose

1 dose

1 dose

Post-exposure Prophylaxis (PEP)

Day of
Administration

Day 0

Day 3

Day 7

Day 14

Day 21

Day 28

Intramuscular  (1 mL)
Essen Regimen

1 dose

1 dose

1 dose

1 dose

1 dose

Intradermal (0.1mL)
Modified Thai Red Cross Regimen

2 doses*

2 doses*

2 doses*

2 doses*

*1 dose should be given on each arm/thigh.