CrossBlock II For Cats
Over 9lbs, 3 Month Supply

CrossBlock II For Cats

In Stock
Free shipping when you buy 4 or with a $59 order
  • Usually ships the same weekday before 3pm CT.

  • We are unable to ship this product to Florida.

What is CrossBlock II for Cats?

  • CrossBlock II is a topical flea treatment for cats that kills adult fleas as well as their eggs and larvae.
  • It contains Imidacloprid and Pyriproxyfen, which start killing fleas within 2 hours and continue to work for 1 full month of protection.
  • CrossBlock II also prevents re-infestation of fleas by breaking the life cycle and preventing fleas from reproducing.

Why do cats use CrossBlock II?

  • Your veterinarian may recommend CrossBlock II to prevent and control fleas.

What else should I know about CrossBlock II?

  • Waterproof formula.
  • Easy open, individual dose applicators.
  • Not effective against ticks.

What problems could my cat have with CrossBlock II?

  • For cats and kittens 8 weeks of age or older weighing at least 2 lbs.
  • Do not let your cat or other pets lick or groom the treated area until it has dried (takes about 30 minutes).

How do you use CrossBlock II?

  • Apply once a month to the skin.
  • This product may be harmful to wildlife. Contact your local waste disposal agency about safe disposal.

What is in CrossBlock II?

  • CrossBlock II contains the insecticides Imidacloprid and Pyriproxyfen.
  • Imidacloprid and Pyriproxyfen kill fleas and keep them from reproducing.

Will I get what I see in the picture?

  • CrossBlock II is a brand name. You will receive the exact brand that you request.

Is it important for my cat to finish all of the CrossBlock II?

  • Cats may use CrossBlock II for different lengths of time. Please consult your veterinarian if you have any questions.