Pressure Sores and Urine Scald in a Dog Who Can't Get Up: Where to Look, How Often to Turn Him, and What Actually Works at Home

A dog who cannot get up is damaged at the one surface in the house you cannot look at: the skin between him and whatever he is lying on, and the wet coat pressed against it. The sore starts there as a pink mark over a bony point, on the side that is down, and the scald starts in the fur between his legs that never dries. So the work is not complicated, but it is relentless. Turn him on the bladder schedule, and every time you turn him, look at the side he just came off: shoulder, hip, elbow, hock. Press anything pink and watch whether it goes pale and fills back in. Keep the coat between his back legs clipped and dry. Put an inch of foam under him for every 40 lb, on top of a washable pad that pulls the urine away. None of this has been tested in a dog trial, and we will show you exactly how the sources disagree, but every one of them agrees on this: a sore is far easier to prevent than to treat, and any broken skin is a vet visit.

Why the sore forms where you cannot see it#

The physics is simple and cruel. Skin stays alive because blood moves through it, and blood stops moving through it when the pressure from outside exceeds the pressure inside the small vessels. Between a hip bone and a floor there is a thin layer of skin and fat carrying a share of the dog's weight, and when the number gets high enough for long enough the tissue underneath starves.

How high, and how long, has been measured directly in dogs in one study we could find. A French group put pressure-mapping mats under dogs lying on their sides on four surfaces, blankets on the floor, a standard mattress, a veterinary memory foam mattress and a human one, and recorded the pressures at every contact point for four hours. Three sites came up as risk zones on every surface and every body shape: the shoulder joint, the point of the hip, and the thirteenth rib. Memory foam lowered the pressures. It did not lower them enough. The authors' conclusion was that static pressure-relieving mats are generally insufficient to hold the risk zones under 60 mmHg, particularly in thin dogs, and so frequent changes of position are recommended.^[1]

Two limits before you lean on it. The study used three cadaver dogs, not living patients, and it measured pressure, not sores. What it tells you is where to look and that the bed alone will not save you. It does not tell you that any bed changes what happens to a living dog's skin.

dogorthopedic.com

The spinal cord injury consortium's paper on bladder and bowel management adds the second half of the mechanism. A dog whose bladder is being expressed by hand, or who is leaking between expressions, has urine on the skin, and moisture and pressure together do what neither does alone. Their words: the spinal patient is especially susceptible to decubital ulcers because of the combination of neurogenic incontinence, leading to increased moisture on the skin, and recumbency, leading to reduced tissue perfusion and pressure over 60 mmHg in the risk zones.^[2]

Pressure on a bony point, moisture on the skin, and time. Those are the three variables, and every instruction in this article is an attempt to reduce one of them.

What the evidence actually says, which is not much#

Before the instructions, the honest position. The 2022 ACVIM consensus statement on thoracolumbar disc extrusion lists prevention and treatment of skin damage and decubital ulcers as one of the four core components of managing a dog at home, alongside activity restriction, pain management and treatment of retention incontinence. It then says, in one sentence, why the rest of this page reads the way it does: few studies evaluate these components critically, making it impossible to generate evidence-based recommendations.^[3]

So what follows is the practice of veterinary nursing, drawn from the rehabilitation textbook, the specialist discharge sheets and the consortium's tables, plus one human trial that answers the question the dog literature cannot. Where those sources disagree, and they do, we print the disagreement rather than a manufactured consensus.

Where to look: the map#

The sites are the same in every source, give or take a name, because they are the places where bone is closest to floor. Here they are for a dog lying on his side, with what you are feeling for and which dog sores there first.

The mapping study's three sites and the textbook's list are the same body seen from two angles.^[1][4] The specialist handouts add the stifle, the sternum and the toes, and note that a sore can form on the face or neck of a dog who lies with his head on a hard edge.^[5] Where the sore forms is where the bone is. Run your hand over your own dog and you will find the list.

One detail that changes what you look for. The maximal pressures in the mapping study were seen in its thin dog, and the dog reading this article is very often a dog who has been off his food since a surgery or a diagnosis and has lost muscle over exactly these points.^[1] A dog who was well-covered in July can be bony in September. The map does not change. The margin does.

How to check: the blanch test#

Redness is the warning, and the way to read it is a test borrowed from human wound care, because the dog literature has no staging system of its own. On intact skin, press a fingertip over the pink area for a few seconds and lift it. Skin with a working blood supply goes pale under the finger and refills within a few seconds of letting go; the human staging system calls that blanchable. Redness that does not go pale and stays the same colour when pressed is stage 1, non-blanchable erythema of intact skin, and it is the last stage at which nothing has broken yet.^[6] The British specialist handout describes its grade 1 the same way, a dark reddened area that does not blanch, and grades up through a broken surface to a wound that reaches bone.^[5]

Three cautions on using this in a dog. The staging system was written for people and has not been validated in dogs; we use it because it is the clearest description of the sequence and because the veterinary handouts borrow it too. You have to part the coat to see the skin, and on a dog with dark skin the colour change is hard to read, so feel for warmth, firmness or swelling as well as looking. And the test is a test of intact skin only. Any blister, any break, any raw or weeping patch, any scab over a bony point, is past the stage this article covers, and it goes to the vet.

dogorthopedic.com

How often to check is where the sources come closest to agreeing, and they still differ by a factor of two. The textbook says the skin should be assessed each day; the consortium says inspect the pressure points, and in a female the vulva twice daily.^[4][2] The practical version beats both and costs nothing: you are already turning him, and the side he just came off is exposed for as long as it takes to look. Check at the turn. The turn and the check are the same act.

“Because your dog can't tell you how much pain he or she is in.”

How often to turn him: the number nobody agrees on#

Here is every interval we could find in a veterinary source, with its provenance, because the honest answer to "how often" is that the field has not decided.

^{[4] [7] [5] [8] [9]}

The last row is the only randomized evidence in the table and it is not in dogs. The TURN trial put 942 nursing-home residents at moderate or high risk of pressure ulcers, all on high-density foam mattresses and none with an existing sore, on a turning schedule of every 2, 3 or 4 hours for three weeks. Ulcers developed in 2.5 percent of the 2-hour group, 0.6 percent of the 3-hour group and 3.1 percent of the 4-hour group, and the difference was not significant.^[10] The two conditions in that sentence are the finding: on foam, with the skin checked consistently, the interval between two and four hours did not matter. On a blanket, with nobody looking, no trial has said anything.

Our reading, stated as ours. A dog whose bladder is being expressed is already being handled on a schedule. The consortium's acute-phase table expresses every 4 hours and adds, in the same cell, check the fur is dry.^[2] If you put him down on the other side at every expression, you have turned him every four hours around the clock, which is inside every range in the table and at the long end of the human trial, without a second alarm on your phone. The dog you should turn more often than that is the thin one, the one on a surface you are not sure of, and the one who has already shown you a pink patch. The dog who lies sternal, chest down with his legs folded, has a third position to rotate through. Going left side, chest, right side rather than flipping him straight over is nursing convention, and we could not find a source that tests it, so treat it as the gentler way to move a dog and nothing more.

dogorthopedic.com

What goes under him: the thickness rule#

Two numbers from two kinds of source. The spinal surgery discharge sheet from the Animal Clinic of Billings puts the floor at one inch: soft, dry bedding at least 1 inch in thickness to prevent pressure sores.^[11] The rehabilitation textbook scales it: a helpful rule of thumb is that 1 inch of bedding should be used for every 40 pounds of body weight.^[4] Neither is from a trial. Both are from people who nurse recumbent dogs for a living, and they agree on the small dog and diverge on the large one.

The depth is the easy half. The material is the half that fails. Memory foam produced lower pressures in the risk zones than blankets on the floor in the mapping study, and anyone who has lifted a dog off a folded quilt has seen why: it compresses under the hip to the thickness of a sheet and stays there.^[1] Foam recovers its thickness every time the load comes off; a blanket does not. The specialist guidance adds one refinement that costs nothing: the heavier the dog, the thicker the bed, and the top layer should be something that draws liquid away from the coat rather than holding it.^[5] Which gives the layer order for the whole setup, from the floor up: something waterproof on the floor to protect the floor, then the foam in whatever cover it has, then a washable absorbent pad on top of that, directly under the dog. The top pad is the one that matters for skin. It takes the urine away from the coat and comes off wet at each handling; the layer under the foam protects the house and does nothing for the dog.

For which bed, the post-surgery bed guide and the sizing chart do the work; here we only need the two properties the table asks for, depth and washability.

The cheapest correct thing under a recumbent dog is a human incontinence bed pad, and the one we link is that: 34 by 36 inches, quilted top, waterproof back, four for $28.49 from the maker's own Amazon storefront on 10 September 2026, which is about seven dollars a pad. The consortium's table lists exactly this, absorbent bed pads such as those used for puppy toilet training, alongside a pressure-relieving mat.^[2] Its faults are the category's faults and we list every one on its page: the maker publishes no wash count and no fabric composition, so how many cycles the backing survives is unknown, at least one reviewer says not many, nothing anchors it under a dog being turned, and it smells of what it absorbs until it is washed. Buy four, not two. One on the floor, one wet, one in the wash, one dry is the minimum for a dog handled every few hours around the clock. The free alternative is a folded towel changed at every handling, and its cost is the one this whole article is about: a towel holds the urine against the coat instead of pulling it down and away.

The foam is the second purchase, and for a dog who will not need a bed after this the honest answer is not a bed at all. Two inches of firm upholstery foam from a fabric shop, cut to the pen, under a waterproof cover meets the table for every dog under 80 lb for a fraction of any bed's price; three inches meets it to 120 lb. What you give up is a cover that goes in the washing machine, which is why the pad above goes over it, not under it.

If he will need a bed after this, because the diagnosis is a slow one or because he was old before it happened, then buy the depth once, and buy it by the table: a bed whose foam clears his row, with a waterproof liner under the cover rather than a water-resistant cover over bare foam, because a soaked core is not a warranty claim: Bully Beds' warranty page, for one, lists moisture-related flattening among its exclusions, as its product page records. That decision has its own page, the post-surgery bed guide, and we are not going to make it for you here. This page's job is the pad and the foam. Nobody needs to buy a bed to get through the next four weeks.

Urine scald: the wet half of the problem#

Urine scald is not a sore. It is skin damage from urine sitting on skin, and it lives in a different place: the inside of the thighs, the belly, the perineum under the tail, the vulva. It matters here because moisture is one of the three variables and because wet skin over a bony point breaks down faster than dry skin does. The specialist review is blunt: moist skin increases the risk of sores developing, so the skin should be kept clean and dry.^[7]

The management is three verbs, and every source has some version of them.

Remove the urine. The pad under him is the first half. The second half is the coat, and the sources agree: wash soiled skin with mild soap and water rather than a dry shampoo, then dry thoroughly.^[8] A hair dryer on the cold setting dries a coat without heating scalded skin, and it is the tool the owner handout names.^[9] The consortium's chronic-phase instruction is four words long, regular drying, avoid wet fur, and it adds one that surprises people: do not use talc powder.^[2] Note that the rehabilitation textbook's nursing chapter does recommend baby powder on the fur to absorb fluid.^[4] The two sources disagree, and we side with the consortium, on our own reasoning: a powder that cakes in a wet coat holds moisture against the skin rather than removing it.

Reduce the coat. Clip the hair around the perineum and the inside of the thighs so there is less of it to hold urine. The Royal Canin review lists shaving the perineum and wrapping the tail alongside frequent examination and cleansing; it gives them for soiling in general rather than urine in particular, and the practice carries over.^[7] This is the free instruction and it is easy to skip because it feels like an indignity. It is not. It is the single change that turns a coat from a sponge into skin you can dry with a towel.

Check twice a day, and check her. The consortium's chronic-phase guidance singles out one anatomy in one clause: in the female, inspect the vulva carefully twice daily. The reason is not spelled out, and our reading of it is simple anatomy: the vulva sits in the path of the urine and its folds hold what a male's coat sheds.^[2]

The barrier cream question#

This is where the sources contradict each other most directly, and we will not pretend otherwise. The rehabilitation textbook names Desitin, a zinc oxide diaper cream, as a barrier for scalded skin.^[4] The Veterinary Partner owner guide, revised in August 2026, says the opposite: do not use zinc oxide-based creams on pets, zinc oxide is toxic if licked, and it recommends the barrier sprays made for bed-bound people instead.^[12]

The Merck Veterinary Manual's toxicology entry, written by an ASPCA Animal Poison Control Center toxicologist, explains why both can be right. A single acute ingestion of a zinc oxide product mostly causes stomach upset, vomiting and diarrhoea within two to four hours, and is generally not expected to cause the red-cell destruction or kidney injury of true zinc poisoning. Chronic ingestion is different: intravascular hemolysis can develop when a zinc oxide cream is applied topically to a pet and then ingested off the skin over the course of days to weeks.^[13] The recumbent dog is the definition of a chronic case, and the perineum is the definition of somewhere a dog licks.

So the question is not "is Desitin safe," it is "can this dog reach it," and that is a question for the vet who has examined him, not for a page. What we can say is that the owner handout's preference for an ointment over a cream, because it lasts longer on the skin, is sound.^[9] Barrier products are sold with and without zinc, and the label will tell you which. Ask for one by name at the discharge appointment. You do not need to buy anything for this before you have.

When it stops being a home problem#

Every source we read agrees that a decubital ulcer is much easier to prevent than to treat, and the second half of that sentence is the important half.^[8] Treatment of an established sore is wound care, and the owner guide is plain that when sores appear the dog needs a veterinarian.^[12] Call the clinic, that day, for any of these:

• Redness over a bony point that does not blanch when pressed, and is still there at the next turn
• Any break in the skin surface, blister, raw patch or scab over a bony point
• Skin that is black, grey, or has a smell
• Swelling, heat or discharge anywhere on the down side
• Urine scald that is raw or weeping rather than pink
• A dog who is suddenly more painful to turn than he was yesterday
• A dog who has not eaten for three days: the specialist review's threshold for nutritional support, and starvation is a skin problem as much as a weight one^[7]

The last one is easy to miss. It is on the list because the review puts it there: three days of inadequate intake is its threshold for nutritional support, and a dog who is not eating is not getting what tissue repair runs on.

What to do this week#

The delay is the injury, and on a dog who cannot get up the delay is measured in hours, not months. A sore that was a pink patch at the 6am turn and a broken surface by the evening one is a sore that had a window. Everything above is a way of being in that window.

Tonight, before the next expression, run your hand over the side he is lying on and find the six points in the table. They are where the bone is closest to your hand. From the next handling on, put him down on the other side and look at the one he came off. Press anything pink, let go, and watch whether it refills. Tomorrow, clip the coat between his back legs; if you cannot face doing it, ask the clinic to do it at the next check. Order four pads and, if he is on blankets, find two inches of foam by the weekend. Ask the vet at the next visit, by name, which barrier product they want you using and whether it has zinc in it.

And keep the rest of the nursing in the same frame. The lifting, the pen and the bladder schedule are the other three quarters of this job, and the skin check rides on top of them for nothing. If you are still at the stage of deciding what his back is going to do, the disc disease itself is the page to read first, and if he is losing the use of his legs slowly rather than suddenly, the degenerative myelopathy page is where this problem is going to arrive in a year rather than a week.

He cannot tell you the hip hurts. He cannot even see it. For the next few weeks, you are the only one who can.

Sources#

1. Caraty J, De Vreught L, Cachon T, Moissonnier P, Bongartz A, Viguier E, Carozzo C. "Comparison of the different supports used in veterinary medicine for pressure sore prevention." Journal of Small Animal Practice. 2019;60(10):623-630. doi:10.1111/jsap.13061 (PMID 31364781) — three cadaver dogs of differing body condition in lateral recumbency across four supports (blankets on the floor, a standard mattress, a veterinary memory foam mattress, a human memory foam mattress), pressures recorded over 4 hours with a TexiSense mat; recurrent risk zones the scapulohumeral articulation, the greater trochanter and the thirteenth rib regardless of support or body condition; memory foam produced lower pressures; maximal pressures in the thin dog; static mats generally insufficient to hold risk zones under 60 mmHg, frequent changes of position recommended.
2. Granger N, Olby NJ, Nout-Lomas YS, Canine Spinal Cord Injury Consortium (CANSORT-SCI). "Bladder and bowel management in dogs with spinal cord injury." Frontiers in Veterinary Science. 2020;7:583342. doi:10.3389/fvets.2020.583342 — susceptibility to decubital ulcers from neurogenic incontinence (moisture) combined with recumbency (perfusion, pressure over 60 mmHg in risk zones); acute-phase table: express every 4 hours and check fur is dry; absorbent bed pads such as those used for puppy toilet training; pressure-relieving mat, static mats generally insufficient; inspect pressure points at the scapulohumeral articulation, greater trochanter and thirteenth rib; chronic phase: regular drying, avoid wet fur, do not use talc powder, in the female inspect the vulva carefully twice daily.
3. Olby NJ, Moore SA, Brisson B, Fenn J, Flegel T, Kortz G, Lewis M, Tipold A. "ACVIM consensus statement on diagnosis and management of acute canine thoracolumbar intervertebral disc extrusion." Journal of Veterinary Internal Medicine. 2022;36(5):1570-1596. doi:10.1111/jvim.16480 — core components of medical management: activity restriction, pain management, treatment of retention incontinence, and prevention and treatment of skin damage and decubital ulcers as needed; "few studies evaluate these components critically, making it impossible to generate evidence-based recommendations."
4. Drum M, Werbe B, McLucas K, Millis DL. "Nursing care of the rehabilitation patient." Chapter 16 in Millis DL, Levine D, eds. Canine Rehabilitation and Physical Therapy, 2nd ed. Elsevier. As reproduced at veteriankey.com, read 10 September 2026 — "A helpful rule of thumb is that 1 inch of bedding should be used for every 40 pounds of body weight"; "Recumbent patients should be turned every 4 to 6 hours at a minimum"; skin assessed each day for redness or other evidence of breakdown; sites the olecranon, acromion, greater trochanter, tuber ischium and the malleoli; urine scald managed by cleansing, thorough drying, barrier creams such as Desitin or Skin Sake, baby powder to the fur, and a no-sting barrier film.
5. Pennine Referrals. "Recumbency: everything you need to know." penninereferrals.com — read 10 September 2026: patients turned every 2 to 4 hours; thick, padded, dry and clean bed at all times, the heavier the patient the thicker the bed; a top layer that draws liquid away such as Vetbed; sores common on elbows, shoulders, hips, hocks, toes, sternum and patellae, also neck and face; four-grade scale beginning at a dark reddened area that does not blanch; easier to prevent than to treat.
6. Edsberg LE, Black JM, Goldberg M, McNichol L, Moore L, Sieggreen M. "Revised National Pressure Ulcer Advisory Panel pressure injury staging system." Journal of Wound, Ostomy and Continence Nursing. 2016;43(6):585-597. doi:10.1097/WON.0000000000000281 — stage 1 non-blanchable erythema of intact skin; stage 2 partial-thickness loss with a viable pink or red moist wound bed or a serum-filled blister; stage 3 full-thickness loss with fat visible; stage 4 with muscle, bone or supporting structures exposed. A human system, applied here by analogy and not validated in dogs.
7. Zlatinov VK. "Supportive care for recumbent dogs and cats with spinal injury." Royal Canin Academy. academy.royalcanin.com — read 10 September 2026: recumbent patients turned every 4 hours to minimise atelectasis; moist skin increases the risk of sores, keep the skin clean and dry; sores most commonly over the ischium and greater trochanter, also stifle and hock; soiling managed by frequent examination and cleansing, shaving the perineum and wrapping the tail; nutritional support for any patient with inadequate intake for more than three days.
8. Zeltzman P, Serfas K. "10 tips to manage recumbent veterinary patients." Veterinary Practice News, 28 December 2015. veterinarypracticenews.com — rotate every two to four hours; thick, dry, clean bedding at all times, padding matched to weight; soiled skin washed scrupulously then dried thoroughly, mild soap and water better than dry shampoo; bed sores much easier to prevent than to treat.
9. Partner Veterinary Emergency and Specialty Center. "Caring for a recumbent pet." Neurology handout. partnervesc.com — read 10 September 2026: rotate every 4 to 6 hours; layer blankets over an orthopedic bed for cleaning; spot-bathe with gentle shampoo and dry thoroughly, a blow dryer with the heat off; barrier ointments preferred over creams because they last longer; add padding where pressure points show inflammation.
10. Bergstrom N, Horn SD, Rapp MP, Stern A, Barrett R, Watkiss M. "Turning for Ulcer ReductioN: a multisite randomized clinical trial in nursing homes." Journal of the American Geriatrics Society. 2013;61(10):1705-1713. doi:10.1111/jgs.12440 (PMID 24050454) — 942 residents aged 65 and over in 27 nursing homes (20 US, 7 Canada), at moderate or high risk on the Braden scale, without existing ulcers, on high-density foam mattresses, randomized to repositioning every 2, 3 or 4 hours for three weeks; pressure ulcers in 8 of 321 (2.5%), 2 of 326 (0.6%) and 9 of 295 (3.1%), P = .68. A human trial, cited here because no canine trial of turning interval exists.
11. Animal Clinic of Billings. "Dog spine surgery recovery resources." animalclinicofbillings.com — read 9 September 2026: soft, dry bedding at least 1 inch in thickness to prevent pressure sores; bladder expressed three to four times daily.
12. Brooks W. "Paralyzed dogs: how to care for them." Veterinary Partner, Veterinary Information Network. Published 25 August 2003, revised 18 August 2026. vin.com — sores develop on pressure points, especially elbows, ankles and hips, and need veterinary attention when they appear; barrier sprays made for bed-bound people; bathe every few days; "Do not use zinc oxide-based cremes (commonly used for diaper rash) on pets. Zinc oxide is toxic if licked"; underpads; a machine-washable orthopedic bed, and a second one for laundry day.
13. Stern L. "Toxicosis in animals from human topical agents." Merck Veterinary Manual, last reviewed June 2025. merckvetmanual.com — most acute ingestions of zinc oxide products cause gastric irritation, vomiting and diarrhoea within 2 to 4 hours and are generally not expected to cause intravascular hemolysis or acute kidney injury; intravascular hemolysis can develop with chronic ingestion, such as when a zinc oxide cream is applied topically and ingested off the skin over days to weeks.
14. Amazon listing B0881XD6J9, "Green Lifestyle Washable Underpads, 34 x 36 in, pack of 4." amazon.com — retrieved via the Amazon Creators API on 10 September 2026: $28.49, In Stock, buy box held by Green LifeStyle; quilted absorbent top, waterproof backing, machine washable; no wash count, fabric composition or drying instruction published on the listing or on greenlifestyle.com the same day.

This article is educational and does not replace the discharge instructions from the hospital treating your dog. Where this page and your veterinarian's instructions differ, follow the veterinarian, and ask about the difference.