Why Is My Dog Dragging His Butt on the Floor?

Name: Why Is My Dog Dragging His Butt on the Floor?
Creator: Dr. Zubair Khalid

By Dr. Zubair Khalid, DVM, MS, PhD · 2026-10-03

Why is my dog dragging his butt across the floor? Most of the time, this scooting means something is irritating the skin or glands around the anus. The two most common reasons are anal sac disease and allergies that make the rear end itchy. Parasites and other skin problems can cause it too.

This article is educational and is not a substitute for veterinary diagnosis or treatment.

Quick Answer

Butt dragging (scooting) usually points to irritation around the anus, most often from anal sac disease or allergies.
Anal sac disease commonly causes repeated scooting or licking around the anus [1].
Atopic (allergic) dogs appear to be predisposed to anal sac inflammation [2].
If your dog is also straining to poop, crying, or has swelling near the anus, call your vet the same day.
Do not squeeze the anal sacs yourself. A veterinarian can express them safely and check for infection.

What Butt Dragging Looks Like and What Is Normal

Scooting is when a dog sits and pulls the rear end along the floor, often leaving a small trail. Some dogs do it once after a bowel movement and stop. Others do it many times a day, lick the area, or seem uncomfortable sitting.

A little bottom licking now and then is normal grooming. Repeated scooting is not. In one study of dogs with anal sac disease, owners reported behaviors like scooting and perianal itching as typical signs [3]. When the behavior repeats, it usually means the dog feels itch, pressure, or pain near the anus.

If your dog is scooting and also licking the floor or other surfaces, that can have different causes. You can read about that in Why Is My Dog Licking the Floor Constantly?.

Why Is My Dog Dragging His Butt? The Main Causes

Several problems can make a dog scoot. The table below gives the typical clues and how urgent each one tends to be.

Cause	Typical clues	How urgent
Anal sac disease (impaction, inflammation, infection)	Scooting, licking the anus, straining to poop, a bad smell, swelling beside the anus	Same-day to routine visit, urgent if swollen or painful
Allergies (atopic dermatitis, food allergy)	Itchy skin, licking paws, ear infections, scooting that comes and goes	Routine visit
Parasites (tapeworms, fleas)	Small white segments near the anus, flea dirt, itching	Routine visit, sooner if severe
Perianal skin infection or cysts	Bumps, hair loss, redness around the anus	Routine visit
Trauma or irritation	Recent grooming, diarrhea, foreign material	Same-day if bleeding or swelling
Tumors of the anal sac or skin	Firm swelling, blood or pus, weight loss, straining	Same-day to urgent

Anal Sac Disease

Anal sacs are two small pouches on either side of the anus. They hold a smelly fluid that normally empties when a dog poops. If the ducts block, the sacs can become impacted, inflamed, or infected. This is called anal sac disease.

Anal sac disease commonly causes repeated scooting or licking around the anus [1]. In a study comparing normal dogs with dogs that had anal sac disease, the affected dogs had a long history of itching around the anus, and scooting was a common owner-reported sign [3]. The same study found that cytology (microscopic exam of the sac fluid) can help tell normal dogs from those with disease [3].

Some dogs get anal sacculitis, which is inflammation of the sacs. A case report described a dog with anal sacculitis that scooted and licked the area, and the repeated trauma led to skin cysts around the anus [1]. That shows how a simple scoot can turn into a longer-term skin problem if it keeps going.

Allergies

Allergies are a major reason dogs itch, and the rear end is not spared. Atopic dogs appear to be predisposed to anal sac disease [2]. A 2024 study compared the bacteria and inflammatory markers in the anal sacs of healthy dogs, untreated atopic dogs, and atopic dogs getting treatment. The bacterial communities and cytokine levels differed significantly between healthy and untreated atopic dogs [2]. This suggests that allergic inflammation changes the environment inside the anal sacs, which may set the stage for sacculitis.

If your dog has itchy skin, paw licking, or ear infections along with scooting, allergies are a strong suspect. Your vet can help sort out whether the problem starts with the skin, the sacs, or both.

Parasites

Tapeworms are a common parasite linked to scooting. Dogs get them from fleas or from eating infected rodents. You may see small, white, rice-like segments around the anus or in the stool. Fleas themselves can also make the rear end itchy.

Other parasites, like whipworms, can cause straining and discomfort near the anus. A fecal test at your vet can find these.

Other Causes

Perianal skin problems can cause scooting too. The case report mentioned above described a dog with many small cysts around the anus, along with anal sacculitis and itching [1]. The cysts were thought to come from chronic trauma to the skin, likely from scooting in response to the sac problem [1].

Less common causes include anal tumors, foreign material stuck near the anus, and nerve problems. These need a vet exam to diagnose.

If your dog is scooting and also having accidents in the house, that can point to a different set of issues. See Dog Peeing On Floor for more on that.

Red Flags That Make It an Emergency

Call your veterinarian right away or go to an emergency clinic if you see any of these:

A large, hot, red swelling beside the anus. This can be an abscess that may burst.
Crying, biting at the rear end, or refusing to sit.
Straining to poop for more than a day, or no poop at all.
Blood or pus coming from the anus.
Vomiting, not eating, or acting very tired.
A firm mass near the anus that is growing.
Sudden weakness in the back legs or loss of bowel control.

These signs can mean a serious infection, a blocked or ruptured anal sac, or a tumor. They need prompt care.

Safe Things You Can Do at Home While Waiting

You cannot fix anal sac disease at home, but you can keep your dog comfortable and avoid making things worse.

Do not squeeze or express the anal sacs yourself. You can cause pain, bleeding, or a rupture.
Keep the area clean. Gently wipe with a warm, damp cloth if there is discharge. Pat dry.
Use an Elizabethan collar (cone) if your dog keeps licking. Licking makes the skin raw and can lead to infection.
Check for fleas. Look for flea dirt (small black specks) in the coat. Treat fleas with a vet-approved product.
Add fiber if your vet agrees. A little canned pumpkin or a vet-recommended fiber supplement can firm up stool, which may help sacs empty naturally. Ask your vet for the right amount for your dog.
Keep a log. Note how often your dog scoots, when it happens, and any other signs. This helps your vet.

If your dog is scooting on the carpet, you may find more detail in Why Does My Dog Scoot On The Carpet and Why Does My Dog Keep Scooting On The Carpet.

What the Veterinarian Will Check and Test

Your vet will start with a full history and a physical exam. They will look at the anus and feel the anal sacs. They may express the sacs to check the fluid. In a study of normal dogs and dogs with anal sac disease, vets used manual expression and microscopic exam of the discharge to compare findings [3].

Tests your vet may run include:

Anal sac cytology. A sample of the sac fluid is examined under a microscope to look for bacteria, inflammatory cells, or other problems [3].
Fecal exam. This checks for tapeworms and other parasites.
Skin scrapes or tape preps. These look for mites, yeast, or bacteria on the skin.
Allergy testing or a diet trial. If allergies are suspected, your vet may recommend these.
Blood work. This checks general health and can help rule out other issues.
Imaging. X-rays or ultrasound may be needed if a mass or deep problem is suspected.

Treatment depends on the cause. For anal sac disease, your vet may express the sacs, prescribe antibiotics or anti-inflammatories, or recommend surgery in severe or repeated cases. For allergies, treatment may include medication, special diets, or immunotherapy. For parasites, deworming is simple and effective.

If surgery is needed, there are several techniques. A 2002 study of 95 dogs found that complications after anal sacculectomy were linked to the surgical technique used, with dogs that had an older open technique more likely to have long-term complications [4]. A newer technique described in 2023 for small dogs and cats had only one minor complication (mild fecal incontinence and scooting) out of 28 animals [5]. Your vet will choose the safest option for your dog.

Prevention and Monitoring

You cannot prevent every case of butt dragging, but you can lower the risk and catch problems early.

Keep up with flea control. Fleas cause tapeworms and itching.
Feed a balanced diet with enough fiber. Firm stool helps anal sacs empty.
Treat allergies. If your dog has itchy skin, work with your vet to control it. Atopic dogs are more prone to anal sac disease [2].
Check the rear end weekly. Look for swelling, redness, or discharge.
Watch for early signs. A little scooting now and then is easy to miss. If it becomes a habit, call your vet.
Keep routine vet visits. Your vet can check the anal sacs during a wellness exam.

If your dog seems suddenly afraid of the floor, that is a different behavior and may have other causes. See Why Is My Dog Suddenly Scared of the Floor?.

Limitations and When to Contact a Veterinarian

This article gives general information. It cannot tell you what is wrong with your dog. Only a veterinarian who examines your dog can do that.

Contact your veterinarian the same day if:

Your dog is scooting many times a day.
There is swelling, redness, or a bad smell near the anus.
Your dog is straining to poop or seems painful.
You see worms or white segments in the stool or near the anus.
The scooting has not improved after a few days of home care.

Go to an emergency clinic now if:

There is a large, hot, painful swelling beside the anus.
Your dog is crying, biting at the area, or cannot sit.
There is heavy bleeding or pus.
Your dog is vomiting, weak, or not eating.
Your dog cannot poop at all.

For routine concerns, call your vet to schedule a visit. Early treatment is easier and less costly than waiting.

Frequently Asked Questions

Why is my puppy dragging his bum on the floor?

Puppies scoot for the same reasons adult dogs do, most often anal sac problems or parasites. Tapeworms are common in puppies, especially if they have fleas. A vet visit can check the anal sacs and run a fecal test.

Why does my dog drag her butt?

Female dogs scoot for the same reasons as males. Anal sac disease, allergies, and parasites do not favor one sex. If she is also licking the area or straining to poop, see your vet.

Why does my dog drag his butt on the floor after pooping?

This often means the anal sacs did not empty fully during the bowel movement. The leftover fluid causes pressure and itch. A vet can check whether the sacs are impacted or infected.

Can I express my dog's anal glands at home?

It is not recommended unless your vet shows you how and says it is safe for your dog. Doing it wrong can cause pain, bleeding, or infection. Many dogs need a vet or groomer to do it.

How much does anal gland treatment cost?

Costs vary by clinic, location, and treatment needed. A simple expression is less expensive than surgery. Your veterinarian can give you an estimate for your dog's specific situation.

References

Multiple perianal infundibular follicular cysts in a dog. Veterinary dermatology, 2010.
Bacterial microbiota and proinflammatory cytokines in the anal sacs of treated and untreated atopic dogs: Comparison with a healthy control group. PloS one, 2024.
Comparison of anal sac cytological findings and behaviour in clinically normal dogs and those affected with anal sac disease. Veterinary dermatology, 2011.
Open versus closed bilateral anal sacculectomy for treatment of non-neoplastic anal sac disease in dogs: 95 cases (1969-1994). Journal of the American Veterinary Medical Association, 2002.
Inside-out anal sacculectomy in small dog breeds and cats. Frontiers in veterinary science, 2023.