5 telltale signs your dog has fleas or ticks

They may be common, but that doesn’t make them any less disgusting. Their parasitic habits make our pets miserable, and left undetected, they can transmit a host of unsavory diseases. We’re talking about fleas and ticks, those creepy and altogether irritating creatures that attach themselves to our dogs, feed off their blood, and make them extremely uncomfortable, if not ill.

Where does a dog pick up these nasty critters anyway? And if they do, how do you know if your dog has a tick or fleas? We’ve got the answers, along with why it’s important to take swift action once they’re detected and how to avoid getting them in the first place.

beagle scratching body

What is the difference between a flea and a tick anyway?

Both insects are parasites; however, there are distinct differences between them.

Fleas are small wingless insects that are almost invisible to the human eye. They have six legs, antennae, and prefer to spend their entire life span (approximately three months) on one host. Adult female fleas lay as many as 20–40 eggs on their host each day, so they multiply quickly, especially in the warm weather months.

Because fleas jump on and off their host after feeding, your dog can pick them up almost anywhere — from your yard, at the dog park, from your groomer, or even from friends and family who visit your home.

Ticks, on the other hand, are arachnids (think spider family) and feed by digging their entire head into the skin. They have eight legs, no antennae, and are large enough to be seen with the human eye. Ticks spend a week or so on each host and live as long as three years. Since they can’t jump, they must wait for another host to come by so they can crawl on board.

Unlike fleas, ticks don’t mind cold weather, which basically means your dog can pick them up almost any time of year. Ticks like to hang out in the woods and high grass or on shrubs, just waiting for a new host to brush up against them.

flea dirt on white dog fur

Signs your dog has fleas or ticks

Because fleas are small and jump around a lot, and ticks burrow into your dog’s fur, it’s often hard to see them if you don’t know what to look for. These five telltale signs are indications your dog may be a host to one of these parasites:

  • Your dog is scratching, biting, or chewing his skin. Fleas bite. When they do, the protein in their saliva creates an allergic reaction that makes your dog itch.
  • Your dog is losing hair, especially around the neck and tail. These are common places for fleas to hide. As your dog scratches to relieve the itch, it can cause hair loss.
  • You see tiny red bumps on your dog’s skin. Because fleas jump off their hosts after feeding, it’s often difficult to see them. Their bites, however, can irritate your dog’s skin, causing discomfort and dermatitis.
  • You find small black specks on your dog’s skin or bedding. This is flea dirt, a mix of blood meal and flea feces.
  • Your dog develops a fever, becomes lethargic, or loses his appetite. Ticks carry ugly diseases like Lyme disease and Rocky Mountain spotted fever. Fleas can cause anemia and transmit tapeworms.

Are fleas and ticks dangerous?

Neither of these parasites is desirable, but in comparison, ticks are far more dangerous than fleas.

Fleas can spread tapeworm and anemia. Additionally, the saliva they leave behind from biting your dog can cause dermatitis. If you suspect your dog has fleas, consult your veterinarian. Because these parasites reproduce so quickly, you can have an infestation in your home in no time. Your veterinarian can recommend treatment for your dog as well as ways to rid your entire house of the fleas and the eggs they lay.

Ticks spread Lyme disease and Rocky Mountain spotted fever, just to name a couple of dangerous diseases. That’s why it’s important to check your dog regularly for ticks, especially if he spends time in heavily wooded or grassy areas.

Top tips to prevent the issue in the future

While there’s no foolproof method to keep your dog from getting fleas and ticks, you can minimize the risk:

  • Keep your lawn manicured. Fleas and ticks like to live in tall grasses, on shrubs, and in woodpiles. Both like moist and humid conditions.
  • Check your dog regularly for signs of parasite activity. Contact your veterinarian immediately if you suspect your dog has contracted an illness as a result.
  • Put your dog on a year-round flea-and-tick prevention program as recommended by your veterinarian.
  • Schedule regular checkups. Not only can your veterinarian monitor the effectiveness of your dog’s prevention program, but she also can examine him for any signs of illness that might not be obvious.

We should also mention that fleas and ticks are equal-opportunity parasites, meaning they’ll bite most any mammal, humans included. Fortunately, flea infestations can be eradicated and ticks can be removed fairly easily. Diligence and observation are key. As long as you take the proper precautions and check your pet regularly for signs and symptoms, you can keep all members of your family protected from the discomfort and illnesses these parasites cause.

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