Do bed bugs bite dogs? What every pet owner should know

Quick overview

• Bed bugs do bite dogs, though humans are their preferred host
• Bites typically appear on lightly furred areas like the belly and ears
• Watch for scratching, restlessness, or skin irritation in your dog
• Bed bugs don't live on pets; they hide nearby in bedding or furniture

Bed bugs are one of the most stressful household pests to deal with, and if you have a dog, you may be wondering whether they're at risk too. The bad news is that bed bugs do bite dogs. While humans are their preferred host, bed bugs are opportunistic and will feed on dogs when the chance presents itself. Understanding how that happens, and what to look for, can make a real difference in how quickly you catch and address an infestation.

How bed bugs feed and why dogs aren't off the menu

Bed bugs are small, reddish-brown parasitic insects that feed on blood. They're roughly the size of an apple seed, with flat bodies that let them squeeze into the narrowest gaps in mattresses, baseboards, and furniture.

They're drawn to the carbon dioxide and warmth that sleeping bodies produce. Humans are their primary target because we tend to sleep in one place for long stretches, making us easy, predictable hosts. But when a dog is sleeping in a room where bed bugs are already established, they may feed on your pet too.

It’s worth knowing that bed bugs don't live on their hosts the way fleas do. They feed, then retreat to a hiding spot, often within a few feet of where their host sleeps. That means your dog's bed, crate, or favorite couch cushion can become a harborage site for bed bugs even if your dog isn't being bitten every night.

What do bed bug bites look like on a dog?

Spotting bed bug bites on dogs can be tricky, especially if your pet has a thick or dark coat. When bites are visible, they typically appear as small, red, raised bumps. The most common locations are:

• The belly and groin area
• Around the ears
• The inner legs and limbs

The skin around the bites may look inflamed or irritated. In some dogs, repeated bites can trigger an allergic skin reaction, leading to more pronounced redness or swelling. If your dog is showing any unusual skin changes, consult your veterinarian, as bite reactions can vary widely between individual animals.

One important distinction: bed bug bites and flea bites can look similar on a dog's skin. Fleas tend to bite around the base of the tail and lower back, while bed bugs on a dog's skin are more likely to appear on exposed or lightly furred areas. If you're unsure which pest you're dealing with, a pest control inspection can help identify the culprit quickly.

Behavioral signs your dog may have been bitten

Because bites aren't always easy to see, your dog's behavior is often the first clue that something is wrong. Watch for:

• Excessive scratching or licking, particularly in one area
• Restlessness or disrupted sleep, especially at night
• Biting at the skin or rubbing against furniture
• General irritability or changes in mood

These signs alone don't confirm bed bugs, since they can also point to fleas, allergies, or other skin conditions. But if you're noticing these behaviors alongside other signs of a bed bug problem in your home, it's worth investigating further.

Can dogs bring bed bugs into your home?

This is a common concern, and the answer is: it's possible, but unlikely to be the main route of entry. Bed bugs don't typically travel on pets the way fleas do. They prefer to hitch rides on inanimate objects, such as luggage, clothing, secondhand furniture, and bags.

That said, if your dog has visited a place with an active infestation, such as a boarding facility, groomer, or another home, a bed bug could theoretically hitch a ride back on their bedding or carrier. 

Signs of bed bugs in your home 

Whether or not your dog is showing symptoms, there are physical signs around your home that can point to a bed bug infestation. Check your dog's bedding, your own mattress, and nearby furniture for small dark spots (bed bug fecal matter) on fabric or along seams, reddish-brown stains on bedding or cushions, shed exoskeletons (which look like translucent, empty shells roughly the size of a bed bug), or live bugs in the folds of mattresses, along baseboards, or inside furniture joints.

Bed bugs are skilled at staying hidden and can squeeze into gaps no wider than a credit card, which makes them genuinely difficult to find without a trained eye.

What to do if you suspect bed bugs in your home

If you think bed bugs may be affecting your dog or your household, here are some practical steps to take right away:

1. Wash and dry your dog's bedding on the highest heat setting the fabric can tolerate. Heat is one of the most effective ways to address bed bugs in soft materials.
2. Vacuum thoroughly, paying close attention to mattress seams, baseboards, and the area around your dog's sleeping spot. Dispose of the vacuum bag or empty the canister outside immediately.
3. Inspect your own sleeping area for the signs listed above. Bed bugs rarely stay confined to one spot.
4. Avoid moving furniture or bedding between rooms, as this can spread bugs to unaffected areas.
5. Contact your vet if your dog is showing signs of skin irritation or an allergic reaction. Always seek professional medical advice for any health concerns related to bites.

DIY measures can help reduce activity in the short term, but they rarely address the full scope of an infestation. Bed bugs are resilient, and missing even a small cluster of eggs can allow the problem to return. If you've spotted signs of bed bugs or you're worried about your dog's skin and behavior, contact Ehrlich’s bed bug control services to schedule a free pest inspection.