Frontline Combo Cat & Ferret contains Fipronil and is used:
In cats:
To be used against infestations with fleas, alone or in association with ticks and/or biting lice.
The product can be used as part of a treatment strategy for the control of Flea Allergy Dermatitis (FAD).
In ferrets:
To be used against infestations with fleas, alone or in association with ticks.
Contra-indications:
In the absence of available data, the product should not be used on kittens less than 8 weeks old and/or weighing less than 1 kg. The product should not be used on ferrets less than 6 months old.
Do not use on sick (e.g. systemic diseases, fever) or convalescent animals.
Do not use in rabbits as adverse drug reactions, even mortality, could occur.
In absence of studies, the use of the product is not recommended in non-target species.