In particular this invention provides for spot-on compositions for the treatment
or prophylaxis of parasite infestations in mammals or birds which comprise:
- (1) a composition comprising
- (A) an effective amount of a 1-phenylpyrazole derivative; and/or
- (B) an effective amount of a macrocyclic lactone antihelmintic or
antiparasitic agent;
- (2) an acceptable liquid carrier vehicle; and
- (3) optionally, a crystallization inhibitor.
The invention also provides for a method of treating parasitic infestations or
for the prophylaxis of parasite infestations in mammals or birds which comprises
topically applying to said mammal treating parasitic infestations or for the prophylaxis
of parasite infestations in mammals or birds which comprises topically applying
to said mammal or bird an effective amount of a composition according to the present invention.