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Hartz
Shop By Dog
Flea & Tick Protection

Hartz Flea & Tick Protection For Dog

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Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 1 of 7

Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 2 of 7

Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 3 of 7

Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 4 of 7

Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 5 of 7

Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 6 of 7

Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 7 of 7

Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 1 of 7

Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 2 of 7

Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 3 of 7

Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 4 of 7

Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 5 of 7

Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 6 of 7

Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 7 of 7

Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 1 of 7

Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 2 of 7

Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 3 of 7

Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 4 of 7

Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 5 of 7

Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 6 of 7

Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 7 of 7

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Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply)

Rated 4.3 out of 5 stars

4.3

391

$3.78 Chewy Price$3.78

($3.78/ea) Price per Unit($3.78/ea)

Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Hartz UltraGuard Rid Flea & Tick Citrus Scent Dog Shampoo, 18-fl oz bottle slide 1 of 6

Hartz UltraGuard Rid Flea & Tick Citrus Scent Dog Shampoo, 18-fl oz bottle slide 2 of 6

Hartz UltraGuard Rid Flea & Tick Citrus Scent Dog Shampoo, 18-fl oz bottle slide 3 of 6

Hartz UltraGuard Rid Flea & Tick Citrus Scent Dog Shampoo, 18-fl oz bottle slide 4 of 6

Hartz UltraGuard Rid Flea & Tick Citrus Scent Dog Shampoo, 18-fl oz bottle slide 5 of 6

Hartz UltraGuard Rid Flea & Tick Citrus Scent Dog Shampoo, 18-fl oz bottle slide 6 of 6

Hartz UltraGuard Rid Flea & Tick Citrus Scent Dog Shampoo, 18-fl oz bottle slide 1 of 6

Hartz UltraGuard Rid Flea & Tick Citrus Scent Dog Shampoo, 18-fl oz bottle slide 2 of 6

Hartz UltraGuard Rid Flea & Tick Citrus Scent Dog Shampoo, 18-fl oz bottle slide 3 of 6

Hartz UltraGuard Rid Flea & Tick Citrus Scent Dog Shampoo, 18-fl oz bottle slide 4 of 6

Hartz UltraGuard Rid Flea & Tick Citrus Scent Dog Shampoo, 18-fl oz bottle slide 5 of 6

Hartz UltraGuard Rid Flea & Tick Citrus Scent Dog Shampoo, 18-fl oz bottle slide 6 of 6

Hartz UltraGuard Rid Flea & Tick Citrus Scent Dog Shampoo, 18-fl oz bottle slide 1 of 6

Hartz UltraGuard Rid Flea & Tick Citrus Scent Dog Shampoo, 18-fl oz bottle slide 2 of 6

Hartz UltraGuard Rid Flea & Tick Citrus Scent Dog Shampoo, 18-fl oz bottle slide 3 of 6

Hartz UltraGuard Rid Flea & Tick Citrus Scent Dog Shampoo, 18-fl oz bottle slide 4 of 6

Hartz UltraGuard Rid Flea & Tick Citrus Scent Dog Shampoo, 18-fl oz bottle slide 5 of 6

Hartz UltraGuard Rid Flea & Tick Citrus Scent Dog Shampoo, 18-fl oz bottle slide 6 of 6

Hartz UltraGuard Rid Flea & Tick Citrus Scent Dog Shampoo, 18-fl oz bottle

Rated 4.2 out of 5 stars

4.2

190

$3.67 Chewy Price$3.67

($0.21/fl oz) Price per Unit($0.21/fl oz)

$4.33 List Price$4.33

Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Hartz UltraGuard Dual Action Flea & Tick Spot Treatment for Dogs, 31-60 lbs, 3 Doses (3-mos. supply) slide 1 of 7

Hartz UltraGuard Dual Action Flea & Tick Spot Treatment for Dogs, 31-60 lbs, 3 Doses (3-mos. supply) slide 2 of 7

Hartz UltraGuard Dual Action Flea & Tick Spot Treatment for Dogs, 31-60 lbs, 3 Doses (3-mos. supply) slide 3 of 7

Hartz UltraGuard Dual Action Flea & Tick Spot Treatment for Dogs, 31-60 lbs, 3 Doses (3-mos. supply) slide 4 of 7

Hartz UltraGuard Dual Action Flea & Tick Spot Treatment for Dogs, 31-60 lbs, 3 Doses (3-mos. supply) slide 5 of 7

Hartz UltraGuard Dual Action Flea & Tick Spot Treatment for Dogs, 31-60 lbs, 3 Doses (3-mos. supply) slide 6 of 7

Hartz UltraGuard Dual Action Flea & Tick Spot Treatment for Dogs, 31-60 lbs, 3 Doses (3-mos. supply) slide 7 of 7

Hartz UltraGuard Dual Action Flea & Tick Spot Treatment for Dogs, 31-60 lbs, 3 Doses (3-mos. supply) slide 1 of 7

Hartz UltraGuard Dual Action Flea & Tick Spot Treatment for Dogs, 31-60 lbs, 3 Doses (3-mos. supply) slide 2 of 7

Hartz UltraGuard Dual Action Flea & Tick Spot Treatment for Dogs, 31-60 lbs, 3 Doses (3-mos. supply) slide 3 of 7

Hartz UltraGuard Dual Action Flea & Tick Spot Treatment for Dogs, 31-60 lbs, 3 Doses (3-mos. supply) slide 4 of 7

Hartz UltraGuard Dual Action Flea & Tick Spot Treatment for Dogs, 31-60 lbs, 3 Doses (3-mos. supply) slide 5 of 7

Hartz UltraGuard Dual Action Flea & Tick Spot Treatment for Dogs, 31-60 lbs, 3 Doses (3-mos. supply) slide 6 of 7

Hartz UltraGuard Dual Action Flea & Tick Spot Treatment for Dogs, 31-60 lbs, 3 Doses (3-mos. supply) slide 7 of 7

Hartz UltraGuard Dual Action Flea & Tick Spot Treatment for Dogs, 31-60 lbs, 3 Doses (3-mos. supply) slide 1 of 7

Hartz UltraGuard Dual Action Flea & Tick Spot Treatment for Dogs, 31-60 lbs, 3 Doses (3-mos. supply) slide 2 of 7

Hartz UltraGuard Dual Action Flea & Tick Spot Treatment for Dogs, 31-60 lbs, 3 Doses (3-mos. supply) slide 3 of 7

Hartz UltraGuard Dual Action Flea & Tick Spot Treatment for Dogs, 31-60 lbs, 3 Doses (3-mos. supply) slide 4 of 7

Hartz UltraGuard Dual Action Flea & Tick Spot Treatment for Dogs, 31-60 lbs, 3 Doses (3-mos. supply) slide 5 of 7

Hartz UltraGuard Dual Action Flea & Tick Spot Treatment for Dogs, 31-60 lbs, 3 Doses (3-mos. supply) slide 6 of 7

Hartz UltraGuard Dual Action Flea & Tick Spot Treatment for Dogs, 31-60 lbs, 3 Doses (3-mos. supply) slide 7 of 7

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Hartz UltraGuard Dual Action Flea & Tick Spot Treatment for Dogs, 31-60 lbs, 3 Doses (3-mos. su...

Rated 4.2 out of 5 stars

4.2

186

$6.17 Chewy Price$6.17

($2.06/ea) Price per Unit($2.06/ea)

Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Hartz UltraGuard Flea & Tick Collar for Dogs, up to 20" Neck, 1 Collar (7-mos. supply) slide 1 of 7

Hartz UltraGuard Flea & Tick Collar for Dogs, up to 20" Neck, 1 Collar (7-mos. supply) slide 2 of 7

Hartz UltraGuard Flea & Tick Collar for Dogs, up to 20" Neck, 1 Collar (7-mos. supply) slide 3 of 7

Hartz UltraGuard Flea & Tick Collar for Dogs, up to 20" Neck, 1 Collar (7-mos. supply) slide 4 of 7

Hartz UltraGuard Flea & Tick Collar for Dogs, up to 20" Neck, 1 Collar (7-mos. supply) slide 5 of 7

Hartz UltraGuard Flea & Tick Collar for Dogs, up to 20" Neck, 1 Collar (7-mos. supply) slide 6 of 7

Hartz UltraGuard Flea & Tick Collar for Dogs, up to 20" Neck, 1 Collar (7-mos. supply) slide 7 of 7

Hartz UltraGuard Flea & Tick Collar for Dogs, up to 20" Neck, 1 Collar (7-mos. supply) slide 1 of 7

Hartz UltraGuard Flea & Tick Collar for Dogs, up to 20" Neck, 1 Collar (7-mos. supply) slide 2 of 7

Hartz UltraGuard Flea & Tick Collar for Dogs, up to 20" Neck, 1 Collar (7-mos. supply) slide 3 of 7

Hartz UltraGuard Flea & Tick Collar for Dogs, up to 20" Neck, 1 Collar (7-mos. supply) slide 4 of 7

Hartz UltraGuard Flea & Tick Collar for Dogs, up to 20" Neck, 1 Collar (7-mos. supply) slide 5 of 7

Hartz UltraGuard Flea & Tick Collar for Dogs, up to 20" Neck, 1 Collar (7-mos. supply) slide 6 of 7

Hartz UltraGuard Flea & Tick Collar for Dogs, up to 20" Neck, 1 Collar (7-mos. supply) slide 7 of 7

Hartz UltraGuard Flea & Tick Collar for Dogs, up to 20" Neck, 1 Collar (7-mos. supply) slide 1 of 7

Hartz UltraGuard Flea & Tick Collar for Dogs, up to 20" Neck, 1 Collar (7-mos. supply) slide 2 of 7

Hartz UltraGuard Flea & Tick Collar for Dogs, up to 20" Neck, 1 Collar (7-mos. supply) slide 3 of 7

Hartz UltraGuard Flea & Tick Collar for Dogs, up to 20" Neck, 1 Collar (7-mos. supply) slide 4 of 7

Hartz UltraGuard Flea & Tick Collar for Dogs, up to 20" Neck, 1 Collar (7-mos. supply) slide 5 of 7

Hartz UltraGuard Flea & Tick Collar for Dogs, up to 20" Neck, 1 Collar (7-mos. supply) slide 6 of 7

Hartz UltraGuard Flea & Tick Collar for Dogs, up to 20" Neck, 1 Collar (7-mos. supply) slide 7 of 7

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Hartz UltraGuard Flea & Tick Collar for Dogs, up to 20" Neck, 1 Collar (7-mos. supply)

Rated 4 out of 5 stars

4.0

344

$3.78 Chewy Price$3.78

($3.78/ea) Price per Unit($3.78/ea)

$3.87 List Price$3.87

Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Hartz UltraGuard Dual Action Flea & Tick Spot Treatment for Dogs, 15-30 lbs, 3 Doses (3-mos. supply)

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Hartz UltraGuard Dual Action Flea & Tick Spot Treatment for Dogs, 15-30 lbs, 3 Doses (3-mos. su...

Rated 4.3 out of 5 stars

4.3

216

$6.52 Chewy Price$6.52

($2.18/ea) Price per Unit($2.18/ea)

Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Hartz UltraGuard Dual Action Flea & Tick Spot Treatment for Dogs 61-150 lbs+, 3 Doses (3-mos. supply)

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Hartz UltraGuard Dual Action Flea & Tick Spot Treatment for Dogs 61-150 lbs+, 3 Doses (3-mos. s...

Rated 4.2 out of 5 stars

4.2

304

$6.17 Chewy Price$6.17

($2.06/ea) Price per Unit($2.06/ea)

$6.52 List Price$6.52

Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Hartz UltraGuard Rid Flea & Tick Oatmeal Dog Shampoo, 18-fl oz bottle

Hartz UltraGuard Rid Flea & Tick Oatmeal Dog Shampoo, 18-fl oz bottle

Rated 4.2 out of 5 stars

4.2

360

$5.17 Chewy Price$5.17

($0.29/fl oz) Price per Unit($0.29/fl oz)

Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Hartz UltraGuard Plus Flea & Tick Collar for Dogs, Medium & Large Breeds, 1 Collar (7-mos. supply)

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Hartz UltraGuard Plus Flea & Tick Collar for Dogs, Medium & Large Breeds, 1 Collar (7-mos. supp...

Rated 4.1 out of 5 stars

4.1

622

$5.57 Chewy Price$5.57

($5.57/ea) Price per Unit($5.57/ea)

Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Hartz UltraGuard Plus Flea & Tick Odor Eliminating Home Spray, 16-fl oz bottle

Hartz UltraGuard Plus Flea & Tick Odor Eliminating Home Spray, 16-fl oz bottle

Rated 4.1 out of 5 stars

4.1

70

$7.76 Chewy Price$7.76

($0.49/fl oz) Price per Unit($0.49/fl oz)

Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Hartz UltraGuard Dual Action Flea & Tick Spot Treatment for Dogs, 5-14 lbs, 3 Doses (3-mos. supply)

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Hartz UltraGuard Dual Action Flea & Tick Spot Treatment for Dogs, 5-14 lbs, 3 Doses (3-mos. sup...

Rated 4.2 out of 5 stars

4.2

235

$6.17 Chewy Price$6.17

($2.06/ea) Price per Unit($2.06/ea)

$6.52 List Price$6.52

Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Hartz UltraGuard Plus Topical Flea & Tick Spray for Dogs, 16-fl oz bottle

Hartz UltraGuard Plus Topical Flea & Tick Spray for Dogs, 16-fl oz bottle

Rated 3.9 out of 5 stars

3.9

49

$9.47 Chewy Price$9.47

($0.60/fl oz) Price per Unit($0.60/fl oz)

Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Hartz UltraGuard Pro Reflecting Flea & Tick Collar for Dogs & Puppies, 1 Collar (7-mos. supply)

Hartz UltraGuard Pro Reflecting Flea & Tick Collar for Dogs & Puppies, 1 Collar (7-mos. supply)...

Rated 3.9 out of 5 stars

3.9

738

$7.92 Chewy Price$7.92

($7.92/ea) Price per Unit($7.92/ea)

Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Hartz Ultra Guard ProMax Flea & Tick Collar for Dogs, 2 collars (12-mos. supply), Gray

Hartz Ultra Guard ProMax Flea & Tick Collar for Dogs, 2 collars (12-mos. supply), Gray

Rated 3.7 out of 5 stars

3.7

718

$31.76 Chewy Price$31.76

($15.88/ea) Price per Unit($15.88/ea)

$31.77 List Price$31.77

Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Hartz UltraGuard Plus Flea & Tick Reflective Collar for Dogs, Medium & Large Breeds, 1 Collar (7-mos. supply)

Hartz UltraGuard Plus Flea & Tick Reflective Collar for Dogs, Medium & Large Breeds, 1 Collar (...

Rated 3.9 out of 5 stars

3.9

106

$8.47 Chewy Price$8.47

Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Hartz Nature's Shield Natural Flea & Tick Dog Spray, 14-fl oz bottle

Hartz Nature's Shield Natural Flea & Tick Dog Spray, 14-fl oz bottle

Rated 4.4 out of 5 stars

4.4

116

$14.78 Chewy Price$14.78

($1.06/fl oz) Price per Unit($1.06/fl oz)

Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Hartz UltraGuard Pro Triple Action Flea & Tick Spot Treatment for Dogs, 31-60 lbs, 6 Doses (6-mos. supply)

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Hartz UltraGuard Pro Triple Action Flea & Tick Spot Treatment for Dogs, 31-60 lbs, 6 Doses (6-m...

Rated 4 out of 5 stars

4.0

37

$23.99 Chewy Price$23.99

($4.00/ea) Price per Unit($4.00/ea)

Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Hartz UltraGuard Pro Flea & Tick Spot Treatment for Dogs 61-150 lbs, 6 Doses (6-mos. supply)

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Hartz UltraGuard Pro Flea & Tick Spot Treatment for Dogs 61-150 lbs, 6 Doses (6-mos. supply)

Rated 3.5 out of 5 stars

3.5

25

$23.73 Chewy Price$23.73

($3.96/ea) Price per Unit($3.96/ea)

Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Hartz UltraGuard Pro Flea & Tick Dog Shampoo, 18-fl oz bottle

Hartz UltraGuard Pro Flea & Tick Dog Shampoo, 18-fl oz bottle

Rated 4.4 out of 5 stars

4.4

73

$8.88 Chewy Price$8.88

($0.50/fl oz) Price per Unit($0.50/fl oz)

$9.67 List Price$9.67

Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Hartz UltraGuard Pro Triple Action Flea & Tick Spot Treatment for Dogs, 5-14 lbs, 6 Doses (6-mos. supply)

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Hartz UltraGuard Pro Triple Action Flea & Tick Spot Treatment for Dogs, 5-14 lbs, 6 Doses (6-mo...

Rated 4.3 out of 5 stars

4.3

30

$23.19 Chewy Price$23.19

($3.87/ea) Price per Unit($3.87/ea)

$23.29 List Price$23.29

Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Hartz Nature's Shield Natural Flea & Tick Dog Shampoo, 14-fl oz bottle

Hartz Nature's Shield Natural Flea & Tick Dog Shampoo, 14-fl oz bottle

Rated 4.4 out of 5 stars

4.4

55

$13.56 Chewy Price$13.56

($0.97/fl oz) Price per Unit($0.97/fl oz)

Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Hartz UltraGuard Pro Triple Action Flea & Tick Spot Treatment for Dogs, 15-30 lbs, 6 Doses (6-mos. supply)

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Hartz UltraGuard Pro Triple Action Flea & Tick Spot Treatment for Dogs, 15-30 lbs, 6 Doses (6-m...

Rated 3.9 out of 5 stars

3.9

24

$23.29 Chewy Price$23.29

($3.89/ea) Price per Unit($3.89/ea)

Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Save 5% on repeat deliveries

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