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What is Chewing Off His Fur?

Occasional chewing on the fur on the lower back or rapidly scratching the back of his ear with his hind paw is normal for your dog.  He, just like people, gets itchy from time to time.  However, when itch relief or chewing behaviors lead to removing fur, you have cause for concern.  There are a few reasons why your dog may be chewing off his fur, including:

  • Allergies
  • Skin disorders
  • Infections
  • Insect or parasite bites
  • Stress and anxiety

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Why Chewing Off His Fur Occurs in Dogs

If your dog’s fur chewing is the result of itchy skin, there are several possible reasons.  

Allergies

Allergies in dogs are common and usually manifest within the first six months of age to three years old and can affect any breed or sex of the dog.  However, atopic dermatitis, which is an allergic reaction affecting the skin is more common in Chinese Shar-Peis, Wirehaired Fox Terriers, Golden Retrievers, Dalmatians, Boxers, Boston Terriers, Labrador Retrievers, Lhasa Apsos, Scottish Terriers, Shih Tzus, and West Highland White Terriers.  Atopic dermatitis may lead your dog to chew off his fur to satisfy an itch that won’t go away.

Skin Disorders

Your dog’s sebaceous glands, which are just below the surface of the skin may overproduce sebum, an oily or waxy substance that is used to waterproof and protect the skin. When this occurs, your dog’s skin will flake off in scales or possibly look red and inflamed.  Seborrheic dermatitis will also cause your dog’s skin to become itchy, and he will scratch and chew at his fur to relieve himself.  Usually, a foul odor is also associated with this type of skin disorder.

Infections

An open wound or scratch, if left untreated, can quickly develop into an infection.  Additionally, untreated allergies or skin disorders can cause your dog to scratch and chew his fur off, which may then lead to a secondary infection.  Yeast or bacteria can cause secondary infections.  Malassezia overgrowth is a common yeast infection that affects dogs that chronically chew at their fur.  Your dog’s mouth and the environment may also trigger a bacterial infection, especially if your dog has self-mutilated his skin through chewing off his fur.

Insect and Parasite Bites

Insect bites from fleas, ticks, flies, or mosquitos can cause your dog to chew at his fur at the site of the bite leading to an inflamed area known as a “hot spot.”  Hot spots are acute moist dermatitis and can become large red lesions very quickly.  Hot spots develop by disturbing the natural bacteria on your dog’s skin and causing it to overgrow through scratching or chewing on the skin at the site of the insect bite.  Bacterial overgrowth will further exacerbate the area, and your dog will chew harder trying to satisfy his itch.  

Stress and Anxiety

Stress from change or separation anxiety can adversely affect your dog and he may self-mutilate by chewing his fur off.  Dogs require companionship and stimulation.  If your dog is starting to chew on his fur and no underlying medical condition is apparent, he may be lonely.  Other destructive behaviors will also accompany separation anxiety or stress, such as incessant barking, destroying furniture, or scratching at doors and walls.

What to do if your Dog is Chewing Off His Fur

You should take your dog to the veterinarian if you believe your dog’s fur chewing is medically related.  To give your dog immediate relief, you should clip the hair in the area where your dog is chewing and clean the area with a non-irritating shampoo.  Gently pat dry the area and make sure you dog does not lick or chew the area.  When you bring your dog to the veterinarian, your vet will perform a full physical examination.  Your veterinarian will ask you for your dog’s medical history including possible allergen exposures.

If your vet suspects your dog is suffering from acute moist dermatitis, your dog will be prescribed an oral antibiotic to treat the bacterial overgrowth.  You veterinarian may also prescribe a pain medication as well as an anti-inflammatory.  It is critical to use only the prescribed dosages of all medications, especially anti-inflammatory drugs as overuse can lead to other medical conditions.  

If your dog is suffering from seborrheic dermatitis, your veterinarian will help you develop a plan to manage sebum production.  Many times, managing sebum production involves administering Omega-3 fatty acids, using anti-seborrheic shampoos, or possibly administering retinoids, which are a class of chemicals that regulate epithelial cell growth.

Prevention of Chewing Off His Fur

You can take preventative measures, such as flea control and proper bathing and grooming to prevent many skin afflictions that may cause you dog to chew off his fur.  Unfortunately, you cannot always prevent your dog from bites from other insects.  However, by being aware of your dog’s comfort levels and catching an itch before he can chew it raw may prevent his from developing lesions or loss of hair.  

Elizabethan collars can also be used to prevent your dog from further irritating his skin once a bite or condition is discovered and treatment plans are underway.  If your dog’s fur chewing is related to an environmental or food allergy, you can prevent reactions by avoiding the allergen.  This is not always easily done, especially with over-abundant allergens, such as grass.  However, bathing your dog with hypo-allergenic shampoos can significantly reduce the discomfort he feels from coming into contact with daily allergens.  

Dogs are pack animals and require stimulation and companionship.  Routine walks, exercise, and socialization will help keep your dog stimulated.  Additionally, your dog should always have access to fresh water and regular opportunities to eliminate waste.  Meeting these basic needs and giving your dog your love and compassion will help keep him from developing separation anxiety and other psychological issues that may lead to chewing his fur off.

Cost of Chewing Off His Fur

The cost of treating your dog for chewing off his fur will depend on the underlying causes of his condition.  For example, it can cost around $300 to treat hot spots if your dog is suffering from acute moist dermatitis.  Treating atopic dermatitis and allergy related conditions can cost around $1,200.

Chewing Off His Fur Questions and Advice from Veterinary Professionals

Dallas
German Shepherd
10 Months
Serious condition
0 found helpful
Serious condition

Has Symptoms

Hair Loss

I have a 10 month old German shepherd, we took him to the vet because he was chewing off his fur on the sides of his body, we were told he developed a skin infection,but was told he may have long term allergies. we were prescribed medication to give to him and it started to clear up within a few weeks, it's been a couple months now and I'm noticing that he is chewing up his fur again in the same spots that started to grow back in, he has scaly whiteness on his back like dry skin and seems like he is starting all over again. When we give him benedryl it seems to help a little and he doesn't scratch as much, I don't know what else to do because I can't afford to keep taking him to the vet since his first visit was very expensive. I don't want him to get worse since I can't afford to keep up his care if it is an infection again, please help

I have spent countless hours with vets and ridiculous amounts of money to fix what sounds very much like what your dog has. I have come to the conclusion that this is a mental issue and not a physical issue.

In my opinion it starts out with the scratching as a form of stress relief, that damages the skin, then the licking begins - that dries out the skin more, then the chewing and licking lead to infection, and you get antibiotics to fix the physical problem, and you put a cone on their head to stop them from licking, and the skin gets better - and the hair grows back, and when you think they are back to normal, they go right back to scratching and the cycle starts all over again.

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Kobe
Husky
8 Months
Moderate condition
0 found helpful
Moderate condition

Has Symptoms

Biting

I have an 8 month old Husky who constantly Bites and Keeps his mouth over the fur of his Hip area, he wont be biting at it but he keeps his mouth and teeth over it and it's starting to cause his Skin to Get red and Irritated due to the saliva I am guessing, I don't know what to do! He is free of any Fleas/Tics .

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Sadie
Lab husky
2 Years
Moderate condition
0 found helpful
Moderate condition

Has Symptoms

scraching

My lab huskey just keeps scratching her ears until now shes development soars again now shes chewed her back side already been too a vet twice cant afford another one im on a fixed income what can i do

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Astra
American Eskimo
2 Years
Serious condition
2 found helpful
Serious condition

Has Symptoms

Chewing

My dog is destroying her skin with biting.her tail and her legs bleed from biting. Her back is flakey. I give her flax seed which used to help a lot now I think it might be something else because it's no longer working. I'm worried she's going to lose all her hair at this rate. I love her so much I hate to see her suffer like this. Please help.

Dr. Callum Turner, DVM
Dr. Callum Turner, DVM
3317 Recommendations
If Astra is chewing herself to this extent, it may be worth placing a cone on her to stop the biting whilst an underlying cause is determined; allergies, infections, parasites, hormonal conditions, autoimmune disease, behavioural issues among other conditions may cause these symptoms. A thorough examination by your Veterinarian is required, skin scrapings and a biopsy may be taken to look for any parasites or other anomalies; these problems can be difficult to diagnose, allergy testing would be valuable. Regards Dr Callum Turner DVM

My Chow has chewed off her fur from all of her under body Neck to tail. I've taken her to vet. They've done skin scrapes, no bugs/mites. She initially did well after I gave her prednisone. That doesn't help anymore. She's been like this for over a year. I'm at a loss for what to do

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Peridot
Labrador Retriever
4 Months
Fair condition
0 found helpful
Fair condition

I have a 4 month old back lab puppy that is in training to be a guide dog. He has recently started chewing the hair of of the tops of his front legs. I never see him doing it though so I know it must be happening during the night when he is in his crate. Since it only happens in the crate it can’t be allergies can it? I take him out at least twice a day for exercise as well.

Dr. Michele King, DVM
Dr. Michele King, DVM
1607 Recommendations
Thank you for your email. Many things an cause those signs, including parasites, infection, and allergies. It would be best to have him examined by your veterinarian, as they can look at his skin, run any tests that need to be run, and give you a better idea as to what might be going on and how to treat it. I hope that all goes well for Peridot!

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Flower
pureblood Shihtzu
2 Years
Moderate condition
0 found helpful
Moderate condition

Has Symptoms

pulling fur
Puss
Crying
Biting
Itching

i have a dog who is 2 years old she has been biting by her butt/tail area along with by the hip and pulling of fur to where shes removing fur so all you see is skin and sometimes draws blood she hates getting her hair cut but if we dont its gets all matted and she had a matted area that we cut away after a couple hours of working at it that we seen puss coming from that matted area she even cries slighly with any physical contact but if she is wrapped in a towel and you touch the area she is fine we have no idea what to do we know she has fleas we are trying to treat them with the very lil money that we have but we dont know what else to do any help? please help with any advice i love her dearly.

Dr. Michele King, DVM
Dr. Michele King, DVM
1607 Recommendations
Many dogs actually have allergies to fleas, and that may be causing Flowers problems. If her skin is irritated to the point that you are seeing pus on her skin, she will need antibiotic therapy. From your description, she really does need to see a veterinarian to get treatment, as that sounds quite painful. Many clinics to offer a free or discounted first exam, or you may have a low cost clinic near you that can help her.

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Sprinkles
Shiba Inu
1 Year
Moderate condition
0 found helpful
Moderate condition

Has Symptoms

Itchy skin, missing fur,

I have a Shiba Inu and she has chewed off all the fur around
her back legs and her butt. The vet said she has allergies but nothing seems to work. It's red and seems to be getting bald. I don't know what to do about it please help.

Dr. Michele King, DVM
Dr. Michele King, DVM
1607 Recommendations
Thank you for your question. Without seeing her, I can't diagnose her with anything, but a very common reason for dogs to chew at their back end is fleas, or allergies to fleas. If she isn't on any flea control, she should be, and she should probably be examined by her veterinarian to make sure that the area isn't infected and needing medication to help clear it up. I hope that she is okay.

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Bingo
Saint Bernard
6 Years
Serious condition
0 found helpful
Serious condition

Has Symptoms

Jumping on garage door

My dog has chewed his lower back to where it's bald and bleeding. I'm thinking it may anxiety or loneliness since our other dog went missing about 2 weeks ago. What would be the best way to treat the area? Is there anything I can do to calm his nerves? He has never done anything like this before

Dr. Michele King, DVM
Dr. Michele King, DVM
1607 Recommendations
There can be many causes for skin disease in dogs, including parasites, allergies, bacterial and fungal infections. That isn't an area of the body that dogs usually traumatize when anxious, so it would be a good idea to have him looked at by a veterinarian to get treatment for that. Increased walking and activity can help quite a bit when dogs are missing friends, and that may help him.

My dog has been chewing his lower back and we think it’s because of his shampoo and his back is almost bald. Why is this happening?

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maddie
Great Pyrenees
6 Years
Fair condition
0 found helpful
Fair condition

Has Symptoms

Licking

myGP has been licking off her side stomach fur, we walk almost 2 miles a day, she is in a cage, her brother is not. doesnt seem like allergies or lack of exercise.

Dr. Callum Turner, DVM
Dr. Callum Turner, DVM
3317 Recommendations
There are a few causes for excessive licking of the abdomen which may include allergies, parasites, irritation or abdominal pain (among others); also behavioural issues, boredom and learned behaviour may also be a contributing factor. Without examining Maddie I cannot say specifically what the underlying cause for this is and would recommend you visit your Veterinarian for an examination to narrow in on a cause. Regards Dr Callum Turner DVM

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Kush
American bully
5 Years
Mild condition
0 found helpful
Mild condition

Has Symptoms

Losing fur on tail. Dry nose. Chewi

My dogs nose is extremely dry. He is also chewing his tail. Seems sickly. Look like he's losing weight. Definitely not as playful. Don't have vet money right away, need something over the counter.

Dr. Callum Turner, DVM
Dr. Callum Turner, DVM
3317 Recommendations
There isn’t an over the counter solution to everything and there are many different causes for these symptoms including allergies, fleas, other irritation, autoimmune disease, infections among other causes; I would suggest to try something like Benadryl in case there are allergies and to apply a flea & tick spot on treatment as well to cover those basis. Without an examination I cannot tell you much more and we are limited with over the counter medications. Regards Dr Callum Turner DVM

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Axel
German Shepherd
1 Year
Serious condition
0 found helpful
Serious condition

Has Symptoms

chaising tail
self-mutilation
Biting

My 1-Year-old German Shepherd has been spinning and chasing his tail for a looong time. At first, he bit the tip. Now, he's biting off the fur on both sides of his tail (so he basically has a mohawk tail...I've tried everything I can think of. I've taken him to the vet, tried medication, he has no fleas or mites of any kind, the Victorian cone doesn't work even though it goes far past his nose (he finds a way to get it), we started a training regiment so he isn't bored, sooo many toys, sooo many treats, and anti-bite spray (both store-bought and DIY). Please, if you have any tips or suggestions that I haven't already mentioned, PLEASE help.

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Shadow
Labrador Retriever
9 Years
Moderate condition
0 found helpful
Moderate condition

Has Symptoms

biting fur

My dog Shadow has recently made a bald spot oh his butt and base of his tail, this started the day after i got mad at him for letting himself in and peeing on the couch i also made him sleep outside that night(we've been taking him in every night for about 4 months now). My assumption is that its was stress but im not sure because it looks like does it when im not around. And if its fleas how should i give him a bath if he is absolutely terrified of water and or would a Elizabethan collar work in this situation?

Dr. Callum Turner, DVM
Dr. Callum Turner, DVM
3317 Recommendations
There are many causes for biting at the base of the tail which do include fleas, but also include anal gland disorders, perineal hernias among other issues; you should ‘bathe him’ with a waterless flea shampoo if Shadow has a fear of water but I would also recommend visiting your Veterinarian for an examination to be on the safe side to check for issues around the anus. Regards Dr Callum Turner DVM

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Rufus
terrier
15 Years
Serious condition
0 found helpful
Serious condition

Has Symptoms

Chewing, scratching, hair loss

Rufus has been consistently itching, scratching and chewing fur off his back end, sometimes to the point of redness/mild bleeding. We have tried OTC anti-fungal/-bacterial shampoos, flea treatments etc. We are very worried about him and are looking for something to aid and soothe the problem.

Dr. Michele King, DVM
Dr. Michele King, DVM
1607 Recommendations
Rufus may have allergies, a bacterial or fungal infection, or parasites. Without seeing him, I can't see what might be happening, and I have a hard time commenting on what might help since I don't know the cause. Since you have tried many OTC treatments with no success, it would be a good idea to have him seen by a veterinarian, as they can see him, determine what is going on, and get him treatment that he needs.

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Layla
Labrador Mix
2 Years
Critical condition
0 found helpful
Critical condition

Has Symptoms

Chewing

My dog Layla has been chewing her butt and back excessively. To the point she gets bare spots and sometimes chews the skins until it bleeds.
I have eliminated the possibility of fleas. Bathing seams to help for a day or 2. My mother gave her some benedryll and she was calm and didn’t chew all day.
She used to stay in a kennel and it was wet out. Has been in the house for months and no improvement. Changed foods 3-4 times and no improvement.
What types of treatments are available for this type of allergy?

Dr. Michele King, DVM
Dr. Michele King, DVM
1607 Recommendations
Thank you for your email. There are many types of treatments available for allergies, but it depends on the allergy, and the skin condition. Bacterial infections and allergies are treated very differently, and without seeing her, I can't diagnose what might be going on, but a visit to a veterinarian would be very helpful for you, as they will be able to look at Layla, see what she is doing, and give you an idea as to what might be going on, and what therapies might help her. I hope that everything gets resolved for her, and that is very painful for her, I'm sure.

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