Pressure Sores and Calluses in Dogs: Prevention and Treatment
By Emiel Maddens · Reviewed in consultation with licensed veterinary professionals · Updated June 2026 · 10 min read

Photo by Alexander Mass on Unsplash
Key Takeaways
- Elbow calluses develop from repeated pressure against hard surfaces and are most common in large and giant breed dogs.
- A hygroma is a fluid-filled swelling over a bony pressure point, usually the elbow, that develops before a callus forms.
- Decubital ulcers are open pressure sores that occur in immobile or recumbent dogs and can become life-threatening if infected.
- Providing padded bedding and orthopedic dog beds is the most effective way to prevent pressure point skin damage.
- Secondary infections of calluses require treatment with topical antimicrobials and sometimes systemic antibiotics.
If you own a large or giant breed dog, you have probably noticed the thick, rough, hairless patches that develop on your dog's elbows, hocks, and sometimes their sternum. These calluses are one of the most common skin findings in breeds like Great Danes, Mastiffs, Labrador Retrievers, and German Shepherds. While a simple callus is cosmetic and painless, the same mechanical forces that produce calluses can lead to more serious conditions including hygromas, infected calluses, and decubital ulcers. Understanding the spectrum of pressure-related skin problems helps you intervene early and keep your dog comfortable.
Pressure sores in dogs follow the same basic pathophysiology as pressure ulcers in humans. When sustained pressure compresses the skin and underlying tissue against a bony prominence, blood flow to that area is reduced. Over time, the tissue responds by thickening and becoming calloused as a protective mechanism. If the pressure continues unrelieved, or if the callused tissue cracks and becomes infected, the condition can progress from a cosmetic concern to a painful, medically significant problem requiring veterinary intervention.
This article covers the full range of pressure-related skin conditions in dogs, from benign elbow calluses to complicated decubital ulcers. You will learn why certain breeds are predisposed, how to create an environment that minimizes pressure damage, when home care is sufficient, and when veterinary treatment is needed. Whether your dog is a healthy young adult developing their first elbow calluses or an aging dog with mobility limitations that make pressure sore prevention critical, the principles of care are the same.
Understanding Elbow Calluses in Dogs
Why Calluses Form
Elbow calluses develop as the skin's response to repeated mechanical trauma. When a dog lies down on a hard surface, the thin skin over the olecranon (the point of the elbow) is compressed between the bone and the floor. Over time, the epidermis responds by undergoing hyperkeratosis, producing excess keratin to thicken and toughen the skin as a protective barrier. The result is a rough, thickened, hairless patch of gray or dark-colored skin that can range from the size of a quarter to several inches in diameter. Calluses are most commonly found on the lateral aspect of the elbow but can also develop on the hocks, hip points, and sternum depending on the dog's resting posture.
Breeds Most Commonly Affected
Large and giant breed dogs are disproportionately affected by elbow calluses because of the greater force their body weight exerts on bony prominences. Great Danes, Mastiffs, Saint Bernards, Irish Wolfhounds, Labrador Retrievers, Golden Retrievers, German Shepherds, and Rottweilers are among the breeds most commonly seen with significant callus development. However, any dog that habitually lies on hard surfaces can develop calluses regardless of breed or size. Dogs that prefer lying on tile, hardwood, concrete, or uncarpeted floors rather than soft bedding are especially prone.
Simple Callus vs. Complicated Callus
A simple callus is cosmetic, painless, and requires no medical treatment. The skin is thickened and rough but intact, without cracks, fissures, or discharge. A complicated callus, also called a callus pyoderma, occurs when the thickened skin develops deep fissures that allow bacteria to penetrate into the underlying tissue. Infected calluses become swollen, painful, and may drain purulent or bloody fluid. Deep bacterial folliculitis and furunculosis can develop within the callus tissue, creating draining tracts and significant inflammation. Complicated calluses require veterinary treatment including cytology, culture, topical and systemic antimicrobials, and sometimes surgical debridement.
Treating and Managing Simple Calluses
The primary treatment for simple calluses is environmental modification to reduce pressure. Providing thick, supportive bedding such as orthopedic memory foam dog beds with washable covers is the single most important intervention. Placing padded mats in all areas where your dog likes to rest is equally helpful. Topical emollients, including coconut oil, petroleum jelly, or veterinary callus creams, can soften the hardened tissue and reduce fissuring. Apply emollients daily and cover with a light bandage or sleeve if your dog tends to lick the product off. Over time, with consistent bedding improvements and moisturizing, many calluses soften and decrease in thickness.
Hygromas: Fluid-Filled Elbow Swellings
What Is a Hygroma?
A hygroma is a fluid-filled swelling that develops over a bony prominence, most commonly the elbow, as a response to repeated blunt trauma. Unlike a callus, which involves skin thickening, a hygroma is a subcutaneous pocket lined by a fibrous capsule and filled with serous (clear, straw-colored) fluid. Hygromas typically develop in young, rapidly growing large breed dogs before callus tissue has had time to form. They present as soft, fluctuant, non-painful swellings over the point of the elbow that can range from golf ball to softball sized. The overlying skin is usually normal or slightly thickened.
Uncomplicated Hygroma Management
An uncomplicated hygroma is non-infected, non-painful, and does not interfere with the dog's mobility. The primary treatment is eliminating the inciting trauma through padded bedding and surface modification. Many uncomplicated hygromas resolve spontaneously within four to eight weeks once the dog is consistently lying on soft surfaces. Aspiration (draining the fluid with a needle) is generally discouraged because the fluid almost always reaccumulates rapidly and each needle puncture introduces a risk of introducing bacteria into the previously sterile cavity. Bandaging the elbow with a padded wrap can provide additional protection during the resolution period.
Complicated and Infected Hygromas
When bacteria are introduced into a hygroma, whether through skin trauma, needle aspiration, or hematogenous spread, the sterile fluid becomes infected. An infected hygroma is painful, warm, and may show overlying skin redness. The fluid changes from clear serous to purulent, and the dog may become systemically ill with fever and lethargy. Infected hygromas typically require surgical drainage, lavage, and placement of a Penrose drain, along with systemic antibiotics guided by culture and sensitivity testing. In chronic or recurrent cases, surgical excision of the entire hygroma capsule may be necessary.
Preventing Hygroma Recurrence
After successful treatment of a hygroma, prevention of recurrence is essential. This requires a permanent commitment to providing padded resting surfaces throughout the dog's environment. Orthopedic beds with at least four inches of high-density foam provide the best pressure distribution. Elbow pads or protective sleeves designed for dogs can provide an additional barrier between the elbow and hard surfaces. Teaching your dog to lie on designated soft surfaces using positive reinforcement training can help, though many dogs will still choose cool tile or concrete, especially in warm weather. In those cases, placing padded mats over the preferred resting spots is the most practical solution.

Padded orthopedic bedding is the most effective way to prevent pressure sores and calluses in large breed dogs.
Photo by Anya Prygunova on Unsplash
Decubital Ulcers: When Pressure Sores Become Serious
Causes of Decubital Ulcers in Dogs
Decubital ulcers, also called pressure ulcers or bedsores, develop when sustained, unrelieved pressure cuts off blood supply to the skin and underlying tissue over a bony prominence. This is most commonly seen in dogs that are recumbent (unable to stand or move independently) due to neurological disease, spinal cord injury, post-surgical recovery, severe debility, or end-stage illness. Unlike calluses, which develop gradually from intermittent pressure, decubital ulcers can form in as little as two to six hours of continuous pressure on a hard surface. The ischium (hip point), greater trochanter (outer hip), elbow, hock, and shoulder are the most common sites.
Stages of Pressure Ulcer Development
Veterinary dermatologists classify pressure ulcers similarly to the staging system used in human medicine. Stage one presents as non-blanchable erythema (redness that does not turn white when pressed), indicating tissue damage has begun but the skin is still intact. Stage two involves partial-thickness skin loss with a shallow, open wound. Stage three features full-thickness skin loss exposing subcutaneous fat but not muscle or bone. Stage four is the most severe, with full-thickness tissue loss extending to muscle, tendon, or bone. Each stage requires increasingly intensive treatment, and progression between stages can be rapid in debilitated animals.
Treatment of Active Pressure Sores
Treatment of decubital ulcers depends on the stage and severity. Stage one and two ulcers are managed with pressure relief, wound cleaning, topical antimicrobial application, and protective bandaging. Stage three and four ulcers typically require more aggressive intervention including surgical debridement of necrotic tissue, wet-to-dry bandage changes, advanced wound care products such as hydrogel dressings or silver-impregnated pads, systemic antibiotics if infection is present, and sometimes surgical closure with skin flaps once a healthy wound bed has been established. Nutritional support with adequate protein intake is critical for healing.
Preventing Pressure Sores in Immobile Dogs
Prevention is far more effective than treatment for decubital ulcers. Dogs that are immobile or have limited mobility should be turned every two to four hours to redistribute pressure. Thick, supportive bedding, ideally a specialized veterinary pressure-relief mattress, should be placed under the dog at all times. Foam wedges can be used to position the dog and relieve pressure from bony prominences. Keep the skin clean and dry, as moisture from urine or wound drainage dramatically increases skin breakdown risk. Gentle massage of the pressure point areas improves circulation. Physiotherapy and assisted standing exercises, even brief sessions, help maintain circulation and prevent tissue breakdown.
Preventing Pressure-Related Skin Problems
Choosing the Right Bedding
The single most impactful intervention for preventing pressure-related skin problems is providing appropriate bedding. Orthopedic memory foam beds distribute body weight more evenly than standard polyester-fill beds, reducing peak pressure at bony prominences. Look for beds with at least four to six inches of high-density foam for large and giant breed dogs. Gel-infused or temperature-regulating foam can help manage heat buildup, which encourages dogs to actually use the bed rather than seeking cool hard floors. Beds with washable, waterproof covers allow for easy hygiene maintenance. Replace beds when the foam loses its supportive properties and bottoms out under your dog's weight.
Strategic Placement of Padded Surfaces
Dogs are creatures of habit and will return to their preferred resting spots regardless of what bedding you provide nearby. Rather than fighting your dog's preferences, observe where they like to lie and place padded mats or beds in those locations. Rubber-backed area rugs on tile or hardwood floors, thick yoga mats, and interlocking foam floor tiles all provide additional cushioning at favorite resting spots. In outdoor areas, rubberized kennel mats or thick rubber stall mats offer durable, weather-resistant padding. The goal is to ensure that every surface your dog regularly lies on provides adequate cushioning.
Elbow Pads and Protective Sleeves
For dogs that have already developed calluses or hygromas, or those at high risk due to breed and body type, commercially available elbow pads and protective sleeves can provide additional protection. These products typically consist of a padded, breathable fabric sleeve that fits over the elbow joint, held in place by adjustable straps. Quality varies significantly between products, so look for designs with thick, durable padding material and secure fastening that will not slip off or restrict circulation. Some dogs tolerate these well while others persistently remove them. Introducing the sleeve gradually with positive reinforcement improves acceptance.
Weight Management and Mobility Support
Maintaining a healthy body weight reduces the force exerted on bony prominences during rest. Overweight and obese dogs exert proportionally more pressure on their elbows and hocks, accelerating callus and hygroma development. Work with your veterinarian to establish and maintain an ideal body condition. For older dogs or those with joint disease, maintaining mobility through appropriate exercise, joint supplements, anti-inflammatory medications, and physical rehabilitation helps prevent the prolonged recumbency that leads to pressure sores. Assistive devices such as harnesses, slings, and mobility carts help dogs with neurological or orthopedic limitations maintain activity.
When Calluses Need Veterinary Attention
Signs of Callus Infection
A callus that was previously stable and painless but becomes swollen, red, warm, or begins draining fluid needs veterinary evaluation. Deep fissures in callus tissue that bleed or ooze serum are entry points for bacteria. When bacteria establish themselves in the dense, poorly vascularized callus tissue, the resulting infection can be difficult to treat because oral antibiotics penetrate poorly into the avascular scar tissue. Your vet will perform impression cytology to identify the bacterial and yeast organisms involved, and may take samples for culture and sensitivity testing to guide antibiotic selection.
Treatment of Callus Pyoderma
Infected calluses, known as callus pyoderma, typically require a multimodal treatment approach. Topical therapy with antimicrobial solutions or sprays applied directly to the cracked, infected callus tissue is usually the foundation of treatment. Chlorhexidine-based products are commonly used for their broad-spectrum activity and residual antimicrobial effect. Systemic antibiotics are prescribed for deeper infections, with duration guided by clinical response, often requiring four to eight weeks of treatment. In severe cases with deep furunculosis and draining tracts, your veterinarian may recommend debridement of the necrotic callus tissue to improve antibiotic penetration and allow healthy tissue to form.
Surgical Options for Chronic Calluses
In rare cases where calluses are extremely large, chronically infected, or causing significant discomfort, surgical excision may be considered. However, surgery for elbow calluses is approached cautiously because the overlying skin has poor blood supply, limited tissue for closure, and is subject to constant mechanical stress. Wound healing complications are common. Skin flap procedures, laser ablation, and other surgical techniques have been described with variable success rates. The consensus among veterinary dermatologists is that environmental modification and medical management should be exhausted before surgical options are pursued.
Monitoring Callus Changes Over Time
Even uncomplicated calluses warrant periodic monitoring. Take photographs of your dog's calluses every month or two to track changes in size, texture, and skin integrity. A callus that is gradually softening with improved bedding and moisturizing is trending positively. A callus that is growing, deepening its fissures, becoming darker or more irregular, or developing drainage needs veterinary attention. In rare cases, chronic callus tissue can undergo neoplastic transformation, so any dramatic or rapid change in a long-standing callus should be evaluated by a veterinarian and potentially biopsied.
Dealing with infected calluses?
Cracked, infected calluses benefit from topical antimicrobial treatment. Our Chlorhexidine Spray provides broad-spectrum antimicrobial activity for callus pyoderma, helping control bacterial colonization while supporting skin recovery. FDA-registered and vet-formulated.
Pressure Sores and Calluses in Dogs FAQ
Q: Are elbow calluses painful for dogs?
Simple, uncomplicated elbow calluses are not painful. They are cosmetic thickenings of the skin that serve as a natural protective pad over the bony elbow. However, calluses that develop deep cracks, fissures, or become infected (callus pyoderma) can be painful and uncomfortable. If your dog flinches when the callus is touched or appears to favor the affected limb, a veterinary evaluation is recommended.
Q: Can I put Vaseline on my dog's elbow calluses?
Yes, petroleum jelly (Vaseline) can be applied to simple, non-infected calluses as a moisturizing agent to soften the hardened skin and reduce fissuring. Apply a thin layer once or twice daily and consider covering with a light bandage or sock to prevent your dog from licking it off. Coconut oil and veterinary callus creams are also suitable options. Do not apply moisturizers to cracked or infected calluses without veterinary guidance.
Q: What is the difference between a callus and a hygroma?
A callus is a thickening and hardening of the skin itself, creating a rough, hairless patch over a bony prominence. A hygroma is a fluid-filled pocket beneath the skin, presenting as a soft, fluctuant swelling. Calluses develop gradually over months of repeated pressure, while hygromas can form relatively quickly in young dogs. Both are caused by pressure trauma, but they require different management approaches.
Q: How do I prevent pressure sores in a paralyzed dog?
Preventing pressure sores in immobile dogs requires turning the dog every 2 to 4 hours, providing thick pressure-relieving bedding, keeping the skin clean and dry, ensuring adequate nutrition with sufficient protein, and performing gentle massage of pressure point areas. Specialized veterinary pressure-relief mattresses, foam wedges for positioning, and protective padding over bony prominences are essential. Regular veterinary monitoring helps catch early-stage sores before they progress.
Q: Do elbow calluses ever go away?
With consistent environmental modification, including padded bedding and soft resting surfaces, calluses can soften and decrease in thickness over time. However, they rarely disappear completely once established. Regular moisturizing with emollients helps maintain softer texture. The goal is not necessarily to eliminate the callus but to keep it soft, healthy, and free from cracks and infection.
Sources
Miller, W.H., Griffin, C.E., Campbell, K.L. Muller and Kirk's Small Animal Dermatology, 7th Edition. Elsevier, 2013.
Swaim, S.F., Henderson, R.A. Small Animal Wound Management, 2nd Edition. Williams and Wilkins, 1997.
Johnston, D.E. 'Hygroma of the elbow in dogs.' JAAHA, 1975; 11: 451-455.
Pavletic, M.M. Atlas of Small Animal Wound Management and Reconstructive Surgery, 4th Edition. Wiley-Blackwell, 2018.
Krahwinkel, D.J. 'Decubital ulcers.' In Slatter, Textbook of Small Animal Surgery, 3rd Edition. Saunders, 2003.
Related Reading
- Bacterial Skin Infections in Dogs, How pyoderma develops and how topical treatments help
- Chlorhexidine for Dogs: Complete Guide, Using antimicrobial sprays for skin infections and wound care
- Hot Spots in Dogs, Acute moist dermatitis prevention and treatment
- Why Is My Dog's Skin Turning Black?, Understanding hyperpigmentation in calluses and other skin conditions
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Emiel Maddens
Founder of Vetified. Develops topical antifungal and antimicrobial formulations for companion animals. Vetified products are listed on DailyMed and manufactured through FDA-registered facilities in the United States.
Veterinary review: All Vetified content is developed in consultation with licensed veterinary professionals and references peer-reviewed research published in journals including Veterinary Dermatology, JAVMA, and BMC Veterinary Research.
Medical Disclaimer: This article is for informational purposes only and does not constitute veterinary medical advice, diagnosis, or treatment. The information presented is based on published peer-reviewed research and is intended to support, not replace, the professional judgment of a licensed veterinarian. Always consult your veterinarian for diagnosis and treatment of your pet's health conditions.