SUBLIVAC Birch is a liquid medicine placed under the tongue to treat hay fever caused by birch pollen.
Start with one drop daily and increase by one drop each day until you reach 5 drops. Continue with 5 drops daily.
Shake the bottle well. Place the drops under your tongue and hold them there for 2-3 minutes before swallowing. You can also use a spoon to place the drops under your tongue.
5 drops per day.