Dog & Cat MD Maximum Defense®

Dog & Cat MD Maximum Defense®

Available only at PetSmart®
for dogs
for cats

Protect them for less.

Our mission is simple. We are committed to providing pet parents with vet-quality healthcare solutions at an affordable price.

You no longer need to choose between ingredients and price - now you can get both - including fipronil, the #1 vet-recommended topical active, with one affordable solution. That's SMART shopping.

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DogMD Plus

Protect your dog from fleas, ticks and other pests. Choose from topicals, collars, shampoos or sprays.

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DogMD QuickTabs

Treat pesky fleas with this oral flea control medication. Easy-to-dose tablets begin working within 30 minutes.

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Protect your home and yard, too!

Protect your home and yard, too!

Kill and repel insects in and out. Keep pests under control before they stake a claim in your home or on your pet.
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  • Dog MD Maximum Defense™ Ear Mite & Tick Treatment

    Old Price $8.99
    $7.19
    20% off Auto Ship

    SAVE 20% on Autoship!

    Sign In & Enjoy Free Shipping Over $49

  • Dog & Cat MD™ Maximum Defense Ear Rinse

    Discounted Price $7.99 Old Price $8.29

  • Dog MD Maximum Defense™ Hydrocortisone Spray

    Discounted Price $12.99 Old Price $14.49

  • Dog MD Maximum Defense™ Hot Spot Skin Remedy

    Discounted Price $8.99 Old Price $9.99

  • Dog MD Maximum Defense™ Anti-Itch Spray

    Discounted Price $13.99 Old Price $14.49

  • Dog MD Maximum Defense™ Joint Health Supplement - Standard Strength

    Old Price $14.99

    Sign In & Enjoy Free Shipping Over $49

  • Dog & Cat MD™ Maximum Defense QuickTabs Nitenpyram 2-25lb Flea Treatment

    Old Price $34.99

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Dog MD Plus Flea Treatment

Dog MD Maximum Defense Flea and Tick squeeze-on topical for dogs kill and repel fleas and ticks for up to one month. Only at PetSmart.
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