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6 Month CERTIFECT RED for Dogs 89-132 lbs
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6 Month CERTIFECT RED for Dogs 89-132 lbs

Item: 72133
Compare to: $115.99

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This item has been manufacturer discontinued. We recommend trying 6 MONTH K9 Advantix II BLUE for Extra Large Dogs (over 55 lbs)

Certifect is a fast acting, long lasting topical flea and tick treatment for dogs from Merial, the makers of Frontline. This formula offers an effective means for killings ticks, destroying the flea life cycle and eliminating chewing lice infestations. Your dog will gain tick relief within 6 hours of application, detaching ticks already attached to your infested dog. Certifect will completely kill the tick incaders in 18 hours. Containing tick problems protects your dog against commonly transmitted diseases.

Certifect also offers the same complete flea protection Frontline Plus. This means your dog will be completely protected from adult fleas, flea eggs and larvae. Certifect prevents re-infestation by eliminating the flea's ability to reproduce. This formula is safe and can be used on puppies as young as 8 weeks old, and is also safe for breeding, pregnant and nursing dogs. Certifect is long lasting, offering a month of continual protection from ticks, and is waterproof so you don't have to worry about it washing off.

  • Lyme Disease
  • Anaplasmosis
  • Ehrlichiosis
  • Babesiosis
  • Rocky Mountain Spotted Fever
  • Detachec ticks when applied to infested dog
  • Kills adult fleas
  • Kills flea eggs
  • Kills flea larvae
  • Waterproof
  • Same complete flea protection as Frontline Plus


Side A
Active Ingredients
Fipronil 9.8%
(S)-methoprene 8.8%
Other ingredients 81.4%
Total 100%

Ingredients: The amount of active ingredients in the total volume is equivalent to 6.4% Fipronil, 5.8% (S)-Methoprene, and 7.6% Amitraz.

Side B
Active Ingredients
Amitraz 22.1%
Other ingredients 77.9%
Total 100%

Useful Information

It is a violation of federal law to use this product in a manner inconsistent with its labeling. Read entire label and enclosed directions and precautionary statements carefully. Do not allow children to apply the 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 pruritis (itching) may occur, with the use of this product. If signs persist or become more severe within a few days of application, consult a veterinarian immediately.

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 packing according to the instructions found on the inside back panel of the carton. Hold applicator upright away from face and body, 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 Ct. canis), flea eggs, and flea larvae for up to three months.

Certifect also prevents the 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 bitches.

Customer Reviews

Review Summary
3 Reviews
67% (2)
33% (1)
0% (0)
0% (0)
0% (0)
100% Recommend this product (3 of 3 responses)
By Debbie
Very Pleased
November 14, 2013
This was the first time I used the product because I wanted to save money without "jipping" my babies from protection. So thank you for the reviews of others and the appropriate delivery time, too. Certifect does the job and I saved $$ - great!
By mrdogg
Review for 6 Month CERTIFECT RED for Dogs 89-132 lbs
February 6, 2013
I will recommend this product to anyone who has fleas. I used this on my dogs and i haven't seen them scratch in a long time. This definately works.
By wholetthedogsout
Waldorf, MD
ticks dropped off
May 27, 2012
I have three large dogs 2 GSD's and a boxer mix, and all three are food allergic which means nothing flavored (like chewable meds). They are on Revolution for heartworm which offers no tick prevention. Having just moved back East to MD tick prevention was a must. The Preventic collars didn't do a thing against the 5 acres. Our dogs aren't allowed into the woods, but the deer bring the ticks right to the front door! I was warned that the Certifect could cause itching or drowsiness in my dogs but did not have any of that with dose one, and the ticks dropped right off! Although 6 mos is more cost effective since I am doubling up on flea prevention (Revolution and Certifect) and I don't know how they will react to multiple doses of Certifect I am opting for a 3 mos trial. I will post that update at completion, but was very pleased with dose one. If my dogs can toletate Certifect, then anyone should be able to because my GSD's are exteemly sensitive. One star deducted because product stays sticky for 36-48 hrs getting on me with every contact. I guess I will be tick free. Thank God for the blessing of dogs!!

Questions and Answers

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