De hyppigste bivirkninger ved Prac- tic hos hunde er lokale reaktioner på påføringsstedet: misfarvning af pelsen, hårtab, kløe og ændring af pelsens udseende (fedtet udseende eller sammenfiltring af hårene).
The most common side effects in dogs are local reactions at the place where the product has been applied: change in the fur colour, hair loss and itchiness, as well as change in appearance of the fur (greasy appearance and clumpiness).