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Ticks vs. fleas - what's the difference?

What is the difference between a tick vs. flea?

Quick comparison: flea vs. tick

  • Fleas jump; ticks crawl and latch on
  • Fleas prefer indoor spots like carpets and pet bedding; ticks wait in tall grass and wooded areas
  • Ticks are a leading cause of Lyme disease; fleas mainly cause itching and skin irritation
  • Fleas can multiply indoors fast once they hitch a ride inside; ticks don't reproduce in the home

The difference between fleas and ticks

Fleas and ticks get lumped together because both are small, bite, and tend to arrive on pets, but they're quite different pests. A flea problem usually means an indoor infestation that spreads quickly, while a tick problem is more about exposure from time spent outdoors.

Fleas

Fleas are small, wingless insects that use powerful hind legs to jump between hosts.

  • Appearance - Reddish-brown, flattened body, about one-twelfth to one-eighth of an inch long
  • Habitat - Carpets, pet bedding, upholstery, and other soft indoor surfaces
  • Behavior - Jump onto hosts to feed and can lay eggs directly in the home
  • Risks - Itchy bites, skin irritation, and the potential to spread quickly through a household

Ticks

Ticks are arachnids that wait on vegetation and attach to a host that brushes past.

  • Appearance - Oval, flat body that swells after feeding, ranging from about one-sixteenth of an inch to one-quarter of an inch, depending on species and feeding stage
  • Habitat - Tall grass, wooded areas, and brush, though they can be carried indoors on people or pets
  • Behavior - Climb onto a host and stay attached while feeding, sometimes for several days
  • Risks - Can spread Lyme disease and other tick-borne illnesses; if you're bitten, visit a healthcare professional if you notice a rash, fever, or other symptoms

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Signs of an infestation

Fleas often show up as small, dark specks (flea dirt) in pet bedding or carpets, along with itchy bites around the ankles. Pets scratching more than usual is another common clue. Ticks are usually spotted directly on skin or clothing after time outdoors, particularly around the hairline, ears, or waistband. 

If you're finding either pest regularly, it's worth having a pest control technician confirm what you're dealing with.

Prevention tips

Keeping fleas and ticks away starts with different habits for each. Vacuum carpets and wash pet bedding regularly to help prevent fleas from settling in, and check pets for ticks after they've been outdoors. Keeping grass trimmed and clearing brush around the yard also helps reduce tick habitat close to the home.

Frequently asked questions

Yes. A pet can pick up both fleas and ticks, especially if it spends time outdoors in grassy or wooded areas without protection.

Ticks are generally the bigger disease risk, as they can spread illnesses like Lyme disease. Fleas mainly cause itching, though they can also carry other health risks.

There are ways to tell whether your dog has fleas, ticks (or both).

Fleas are tiny, fast-moving insects that jump through your dog's coat and often leave behind small dark specks of flea dirt, along with frequent scratching. Ticks are slower and attach firmly to the skin, usually around the ears, neck, or paws, where they stay put while feeding. In either case, please consult your vet for treatment.

Fleas hide deep in carpets, pet bedding, and furniture, and a few can turn into a full infestation fast.

Ticks can be difficult to manage once they've made their way onto your property or yard.

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