We have not had fleas and have us buy the Frontline for aftertreatment.
My vet used this well and this was also used in the initial treatment within 24-48 hours from many fleas.
The could partially rauslesen half dead with no problems.
Buy Wirds repeatedly but also alternately Advantage 80 for Cats buy or Stronghold for the resistance.
In any case six months further treatment if still which can survive six months after zusaugen kommen.Da fleas without blood.
greeting