Certifect for Dogs provides potentiated efficacy against ticks with a
rapid onset of activity within 6 hours. The active ingredients in
Certifect provide for fast-acting and long-lasting control of fleas,
ticks, and chewing lice for at least 30 days on dogs. Certifect acts on
the nervous system of fleas and ticks.
The amount of active ingredients in the total volume is equivalent to 6.4% Fipronil, 5.8% (S)-Methoprene, and 7.6% Amitraz.
EPA Reg. No. 65331-7
EPA Est. No. 65331-FR-2
Directions for Use
It is a violation of federal law to use this product in a manner
inconsistent with its labeling. Read entire label and enclosed
directions before each use. Follow all directions and precautionary
statements carefully. Do not allow children to apply product. Use on
dogs ONLY. Do not use on cats, rabbits, or other animals. Do not apply
more than once per month. DO NOT use on dogs diagnosed with diabetes or
heart problems. Consult a veterinarian before using on dogs that are
medicated, debilitated, aged or obese. DO NOT contact the treated area
until completely dry. SIDE EFFECTS: temporary lethargy
and pruritus (itching) may occur with the use of this product. If signs
persist or become more severe within a few days of application, consult a
To kill all stages of ticks, fleas and chewing lice, apply topically to
the skin of dogs or puppies (8 weeks or older) as follows:
- Open the child-resistant packaging according to the instructions found on the inside back panel of the carton.
- Hold applicator upright away from face and body, and cut applicator tip with scissors or twist to open.
- Place applicator tip through dog's hair to the skin level.
- Squeeze applicator, applying entire contents in two separate
spots on the neck between the base of the skull and the shoulder blades
where the dog cannot lick.
Frequency of Application
A monthly application of Certifect kills ticks, completely breaks the flea life cycle and controls chewing lice infestations.
Research demonstrates that Certifect kills adult fleas (Ctenocephalides felis and Ctenocephalides canis),
flea eggs, and flea larvae for up to three months. Certifect also
prevents development of all flea stages for up to three months. Although
Certifect can control fleas for up to three months, if there is a high
risk of re-infestation or if the pet has fleas which may cause flea
allergy dermatitis, a once monthly application may be needed.
Certifect aids in the control of sarcoptic mange infestations. Apply
once per month for at least two months for the elimination of mites.
Certifect can also be used for the treatment and control of flea, tick,
and chewing lice infestations on breeding, pregnant, and lactating
Keep out of reach of children. For first aid and other precautionary statements, refer to product package insert.