Stage 4 Bedsore Learn About Stage 4 Pressure Ulcers Reviewed by Julie Rivers, MBA, CSA Eldercare Advocate & Certified Senior Advisor Home / Nursing Home Injuries / Nursing Home Bedsores / Bedsore Stages / Stage 4 Bedsore Quick Answer A stage 4 bedsore is the most advanced. Muscle, bone, and tendons may be visible through skin openings, putting the patient at risk of serious infection or even death. Severe bedsores are a sign of neglect since they’re usually preventable with proper care. If your loved one developed bedsores in a nursing home, you may have legal rights — get a free case review now. Get a Free Case Review What Is a Stage 4 Bedsore? A stage 4 bedsore is a deep wound reaching the muscles, ligaments, or bones. It is the most severe form of a bedsore (also called a bed sore, pressure sore, pressure ulcer, or decubitus ulcer). Bed sores stage 4 are the worst-case scenario: the blood supply has been so severely cut off that the wound tunnels down through all layers of the skin and exposes bone. They often cause extreme pain, infection, and even death. Many patients must undergo invasive surgeries to survive stage 4 bedsores. Did You KnowBedsores cause over 60,000 deaths each year, according to the Agency for Healthcare Research and Quality (AHRQ). Sadly, a stage 4 pressure ulcer is often a sign of nursing home neglect. Residents of nursing homes may develop these sores if caregivers fail to treat earlier pressure ulcer stages. A stage 4 pressure ulcer usually means a nursing home resident has remained in the same position for an extended period of time. If your loved one developed a stage 4 bedsore while in a nursing home, taking legal action may allow you to get justice for their suffering. The Nursing Home Abuse Center partners with top nursing home attorneys across the country. So far, they’ve recovered over $318 million for nursing home abuse and neglect. Get a free case review right now to see if we can help your family. Get a Free Case Review by Fight back against nursing home abuse and neglect — start now with a free case review. Start My Free Case Reviewor call (855) 264-6310 What Does a Stage 4 Bedsore Look Like? A stage 4 bedsore is the largest and deepest of all bedsore stages. Characterized by severe tissue damage, a stage 4 wound may look like a reddish crater on the skin. Muscles, bones, or tendons may also be visible at the bottom of the stage 4 pressure ulcer. Bed sores stage 4 that have become infected may have a foul smell and leak pus. Additionally, the sore may be surrounded by dead tissue that’s dark or yellowish in color. Stage 4 Bedsore Causes The causes of bed sores stage 4 include factors like pressure, shear (when skin pulls in opposite directions), and friction that cuts off the blood supply to the skin. Without proper treatment, this loss of blood flow can cause the skin to die and a wound to form, eventually turning into a stage 4 bedsore. “I’ve seen residents develop advanced bedsores because staff didn’t reposition them as often as they should.” – Ricky LeBlanc, Nursing Home Lawyer at Sokolove Law Nursing home residents may develop bedsores if staff members: Cannot adequately care for each resident due to understaffing Don’t treat dehydration or malnutrition, which can prevent healing or worsen sores Fail to notice or treat earlier-stage bedsores due to skipped or rushed care Leave residents with mobility issues lying in beds or wheelchairs for hours on end Therefore, bed sores stage 4 are usually the result of improper care by staff members when they occur in nursing homes. This is especially true for advanced cases, which are preventable when earlier-stage pressure injuries are properly treated. Learn about your legal options if you or a loved one suffered a stage 4 bed sore. Worried About Nursing Home Abuse or Neglect?When you're ready to act, here’s what to expect:1. Spot Red Flags Before It’s Too Late Look for bedsores, confusion, weight loss, fear, or silence. 2. Reach Out to Our Team, Day or Night Speak with a trained advocate who listens and understands. 3. Our Legal Partners File Your Lawsuit We handle the paperwork and figure out who’s responsible. 4. You Get Help — and Money If We Win Receive financial compensation and get justice. Start My Free Case Review Who’s at Risk of Developing a Stage 4 Pressure Sore? Generally, anyone with lower bed sore stages is at risk of developing bed sores stage 4 if the wound is not treated. Each year, over 2.5 million people in the United States develop pressure ulcers, according to the AHRQ. However, some patients may have other health conditions that make them more prone to this type of injury. “Being bedridden, unconscious, unable to sense pain, or immobile increases the risk that a bedsore will develop. The risk increases if the person is not turned, positioned correctly, or provided with proper nutrition and skin care.” – Johns Hopkins Medicine Have Limited Mobility Movement is the key to preventing bedsores at any stage. According to the National Pressure Ulcer Advisory Panel (NPUAP), “a number of contributing or compounding factors are associated with pressure injuries; the primary of which is impaired mobility.” If nursing home residents cannot move on their own, they may sit or lie in the same position for hours. This can cut off blood flow to their skin and cause a bedsore. Once a bedsore forms in a person with limited mobility, it can quickly advance to a stage 4 pressure ulcer. Live in Understaffed Nursing Homes Residents with mobility issues must rely on staff members to prevent bedsores. Sadly, some care facilities may fail to prevent bedsores due to nursing home understaffing and poor training. In these cases, nursing home neglect is almost always to blame. Nursing homes with fewer certified nursing assistants per resident have higher rates of serious bedsores, according to research published in the medical journal Wound Practice & Research. If you’re worried that your loved one’s nursing home may not have enough staff to prevent bedsores, it may be time to ask questions. “You do not need to have proof before speaking with a nursing home neglect lawyer. If you’re concerned that something is wrong, that’s enough to start the conversation.” – Ricky LeBlanc, Nursing Home Lawyer at Sokolove Law Have Alzheimer’s or Other Dementia If residents with cognitive impairments develop a bedsore, they might be unable to tell anyone due to their condition. They’ll need to have someone else find it and help them get proper care. “It is important for anyone caring for a person with dementia to know about pressure ulcers.” – Alzheimer’s Society Residents with these conditions may also have trouble sensing pain. This means a bedsore may go unnoticed before it advances to a stage 4 pressure ulcer. Other Factors Nursing home residents are at higher risk of developing a stage 4 pressure ulcer if they have blood flow or circulation problems that require diabetic care or if they wear a cast. People with diabetes may be up to 5 times more likely to develop pressure ulcers, according to research published in the Journal of Wound Care. Can You Sue for a Stage 4 Bedsore? Yes. If a nursing home or other care facility fails to protect residents from severe pressure injuries, victims and their loved ones may be able to sue for stage 4 bedsores. This is because a stage 4 pressure ulcer that was allowed to progress through all the other stages into its most severe and final stage is likely to be a sign of neglect. “In many cases, families can sue a nursing home if a resident is harmed due to preventable conditions like stage 4 bedsores or untreated infections.” – Ricky LeBlanc, Nursing Home Lawyer at Sokolove Law A jury awarded over $10 million to a Florida nursing home resident who developed a stage 4 pressure injury that required surgery. Learn more about nursing home lawsuit compensation now. Remember: Severe bedsores are almost always preventable. A care facility must monitor for signs of pressure injuries and take preventative measures so they do not worsen. When a wound becomes a stage 4 pressure ulcer, it can be excruciating and cause great suffering. It can even lead to death. A skilled personal injury lawyer specializing in nursing home abuse or neglect can help you understand your legal rights and fight for the compensation you deserve. Get started right now by finding out if you can file a stage 4 bedsore lawsuit. We Can Help You File a Stage 4 Bedsore LawsuitI want to file a lawsuit on behalf of: Spouse Parent Grandparent Loved One Symptoms of a Stage 4 Pressure Ulcer Most symptoms of bed sores stage 4 are related to bacterial infections, which are a common complication. This is because bacteria can easily enter the body through open sores, like a severe bed sore. Symptoms of a grade 4 pressure sore include: Blackened or darker skin Drainage and pus Fever Hot skin Odor Open wounds exposing tissue or bone Red edges Swelling around the sore If you notice any of these stage 4 pressure ulcer symptoms in your loved one, seek immediate medical care. You may also want to connect with a nursing home abuse lawyer to see if you can take legal action. Diagnosing a Stage 4 Bed Sore A doctor determines the stage of a bedsore by its appearance. In the case of a stage 4 bedsore, the large wound has passed the body’s fatty tissue layer, exposing muscles, ligaments, or even bone. Did You KnowUsing AI to analyze nurses’ notes revealed bedsores that were never documented, suggesting some injuries may go unreported, according to a report published in the Journal of Patient Safety. However, in some cases, health care professionals may not be able to immediately diagnose a late-stage bedsore by examining it. A stage 4 bedsore may be initially diagnosed as: Suspected Deep Tissue Injury (SDTI): This diagnosis occurs when the surface of a patient’s skin looks like a stage 1 or 2 bedsore, but it actually affects deeper tissues underneath. Although it looks less severe, SDTIs are likely to be stage 3 or stage 4 pressure ulcers. Unstageable: When a doctor cannot see the bottom of an open sore, they must clean it out to properly stage it. However, some bedsores remain unstageable. If you were told your loved one has stage 4 bedsores while living in a nursing home, don’t wait to take action. Negligent facilities should be held accountable for these excruciating and preventable injuries. Get a free legal case review right now to see if we can help. Get a Free Case Review by Fight back against nursing home abuse and neglect — start now with a free case review. Start My Free Case Reviewor call (855) 264-6310 Stage 4 Bedsore Treatment Stage 4 bedsores should be treated as soon as possible, as they put a nursing home patient at high risk of life-threatening health problems. Treatment options for a stage 4 pressure ulcer may include: Antibiotics Giving patients bacteria-destroying medicine to treat infections Debridement Removing any damaged, infected, or dead tissue from the bedsore Skin Grafts Covering the affected area with healthy skin It can take anywhere from 3 months to 2 years for bed sores stage 4 to heal, according to the Model Systems Knowledge Translation Center (MSKTC). Treatment for Bed Sores on the Buttocks at Stage 4 Treatment for bed sores on buttocks at stage 4 involves a comprehensive approach, focusing on both healing the wound and addressing the underlying causes to prevent further deterioration. Here are typical treatment strategies for a stage 4 pressure ulcer: Advanced dressings: Use dressings that maintain a moist environment for healing Debridement: Removal of dead or infected tissue Infection control: Use of antibiotics to manage infections Negative pressure wound therapy (NPWT): Applies vacuum to promote healing Nutritional support: High-protein diet and essential vitamins and minerals Pain management: Techniques to manage pain associated with the ulcer Pressure relief: Regular repositioning and specialized support surfaces Surgery: Surgical interventions for cleaning, reducing, or closing the wound Given the complexity of stage 4 pressure ulcers, a multidisciplinary approach involving doctors, nurses, dietitians, and possibly physical therapists is typically required to manage the condition effectively. Can a Stage 4 Pressure Wound Be Prevented? Yes. Like many nursing home injuries, late-stage bedsores, such as bed sores stage 4, are largely preventable with proper care. They can be avoided by treating a stage 3 bedsore or lower-stage bedsores from forming in the first place. The top 5 ways to prevent stage 4 bedsores are: Treating early-stage bedsores as soon as possible with proper wound care practices Carefully monitoring earlier-stage bedsores to ensure they are healing Contacting health care providers if a patient’s wound is not improving Keeping residents mobile by walking and repositioning them Making sure residents have access to regular meals, water, and skincare Sadly, research shows that many nursing homes do not report bedsores to Medicare, even though they are required by law to do so. This can make it especially hard for negligent nursing homes to be held accountable for failing to prevent stage 4 bedsores. “40% of bedsores in long-term residents were not reported to [Medicare’s] Nursing Home Compare database.” – U.S. News & World Report This is alarming because many families rely on Medicare’s rating tools to choose a nursing home or assisted living facility for their loved ones. How can people be expected to find safe facilities for their loved ones if critical data is hidden? It is unacceptable if your loved one develops a stage 4 bedsore while in the care of a nursing home. Find out if you may be able to hold the facility accountable through a lawsuit with a free legal consultation now. Contact us for a free consultation by calling (855) 264-6310 or Click to Live Chat right now. Complications From Stage 4 Bedsores Individuals with a stage 4 bedsore are at high risk of life-threatening complications. If left untreated, a stage 4 bedsore may lead to the following conditions. Amyloidosis This is an incurable condition where protein builds up in the body and prevents organs from functioning properly. Infection According to Johns Hopkins Medicine, those with a stage 4 bedsore are at a very high risk of infections. These infections can affect the skin, bones, blood, and other organs. For example, osteomyelitis (bone infection) and cellulitis (skin infection) can be caused by bacterial infections stemming from stage 4 pressure ulcers. Renal Failure This occurs when the kidneys can no longer remove waste from the body, causing damage. It can be fatal if left untreated, but recovery may be possible. Sepsis and Septic Shock Sepsis may occur when the body overreacts to a serious infection, like an infection stemming from a stage 4 bedsore. The immune system gets overstimulated and attacks a healthy part of the body. Severe cases of sepsis can lead to septic shock, which occurs when blood pressure drops due to an infection. Septic shock can be deadly as major organs may shut down. Death Many of the conditions listed above can be fatal if left untreated. Renal failure and amyloidosis are the most common causes of death for patients suffering from chronic bedsores, according to The Western Journal of Medicine. It may be considered wrongful death if a nursing home resident dies after developing bed sores stage 4. How Long Can You Live With Stage 4 Bed Sores? Stage 4 bedsore life expectancy depends on several different factors. How long a person lives often depends on their overall health. Additionally, if the bedsore is treated properly before signs of infection appear, it is possible to fully recover. However, without specialized medical care, blisters that have advanced through the stages of pressure sores to stage 4 are more likely to cause complications or even death. “Once a bedsore develops, it can take days, months, or even years to heal. It can also become infected, causing fever and chills.” – Johns Hopkins Medicine Bedsores that lead to sepsis cause thousands of deaths per year, according to the National Institutes of Health (NIH). The best defense is recognizing and treating pressure sores before they reach stage 4. Get Legal Help for Severe Bedsores When a resident of a care facility suffers from a stage 4 bedsore, it is often due to nursing home neglect. Fortunately, families have options if neglect or abuse has caused stage 4 bed sores. Here are steps you can take if your loved one has a stage 4 bedsore: Seek immediate medical care by insisting they be transferred to a hospital. When they are released from the hospital, consider relocating them to another nursing home to recover. Report the stage 4 bedsore to your state’s ombudsman or your local Adult Protective Services (APS). Connect with a top nursing home neglect law firm near you to file a legal claim and pursue compensation. Over 17,000 lawsuits involving bedsores are filed each year. The best way to find out if you can sue for a stage 4 bedsore is to contact a nursing home abuse lawyer. The Nursing Home Abuse Center partners with top nursing home attorneys who can help families in all 50 states. Together, they have recovered over $318 million for nursing home abuse and neglect. Find out if our legal partners can help you file a stage 4 bedsore lawsuit to seek the funds you need for your loved one’s care. Call us at (855) 264-6310 or get a free case review right now to get started. Stage 4 Bedsore FAQsWhat is a stage 4 pressure ulcer?Stage 4 pressure ulcers, also called bedsores, are the most severe type of pressure injury. At this stage, the wound is very deep and may expose muscle, bone, or tendons. A pressure ulcer stage 4 can cause serious complications, such as sepsis or bone infection. Stage 4 bedsores are largely preventable with proper care, including regular repositioning, skin checks, and adequate staffing. If your loved one developed a severe bedsore in a nursing home, you may have legal options. Call (855) 264-6310 or Click to Live Chat now to speak with someone who may be able to help. Can a stage 4 bedsore be prevented?Yes. Stage 4 bedsores can be prevented with proper care. This includes repositioning and providing soft padding, adequate nutrition, and good skincare. Treating a pressure ulcer as soon as it starts is critical, or it could quickly progress to a stage 4 bedsore. If your loved one developed a stage 4 bedsore in a nursing facility, it was likely caused by negligence, and you may have legal options. Find out right now with a free case review. What is most likely to cause bedsores?Pressure on the skin that limits blood flow is most likely to cause bedsores, which usually form on bony areas of the body. This may include the tailbone, shoulder blades, hips, heels, and ankles. They are most likely to occur in people with a limited ability to move on their own, including people who spend most of their time in a wheelchair or lying in bed. Can bedsores cause sepsis?Yes. Sepsis occurs when the body’s response to an infection damages its own tissues and organs. A stage 4 bedsore can introduce bacteria that lead to serious infections, potentially triggering sepsis. A joint study from the Chicago Tribune and Kaiser Health News found that nursing homes often fail to treat bedsores and other conditions that lead to sepsis. In one case, a resident died after developing a serious bedsore that led to sepsis. His daughter later filed a nursing home lawsuit, claiming his death was caused by sepsis that could have been prevented. How serious is a stage 4 bedsore?A stage 4 pressure sore is the most severe type of bedsore. The wound is so deep that muscle, bone, or tendons may be exposed, which greatly increases the risk of serious infection. These infections can lead to sepsis, bone infection (osteomyelitis), and other life-threatening complications. Stage 4 bedsores are difficult to treat and often require long-term care, surgery, or skin grafts, and they can cause significant pain and suffering. What is the life expectancy of a stage 4 bedsore?Stage 4 bedsore life expectancy is often months or even years after diagnosis. Factors such as proper medical care and preventing complications can help patients live longer. That said, roughly 60,000 people die each year due to bedsore-related complications. Over 50% of those who develop bedsores in hospital settings die in a year or less, according to a recent study. Can you be hospitalized for bed sores?Yes. In severe cases, bedsores can require hospitalization, especially if the wound becomes infected or leads to serious complications. Treatment may depend on how advanced the bedsore is and when medical care begins. According to the medical reference Merck Manual, about 30% of stage 4 bedsores heal within 6 months. Some bedsores do not heal easily due to complications such as bacterial infections. When this happens, doctors may hospitalize the patient to treat the infection and manage the wound. What is the treatment for bed sores on the buttocks at stage 4?Stage 4 bed sores on the buttocks require aggressive medical care to promote healing, manage pain, and prevent infection or further breakdown. Common treatments for bed sores on the buttocks at stage 4 include: Advanced dressings to keep the wound moist Antibiotics for infection control Debridement to remove dead or infected tissue Negative pressure wound therapy (NPWT) to promote healing Nutritional support with protein, vitamins, and fluid Pressure relief with frequent repositioning and special mattresses Pain management to reduce discomfort Surgical repair for deep or non-healing wounds Stage 4 wounds are serious and typically require coordinated care from doctors, nurses, dietitians, and wound specialists. Are stage 4 bedsores always a sign of nursing home abuse?Most likely. Since bedsores can usually be prevented with proper care, they may be a sign of elder abuse or nursing home neglect. This is especially true when a bedsore is allowed to progress through the earlier stages of bedsores, all the way to stage 4. Can I sue for a stage 4 bedsore?Yes. If you have a valid legal claim, suing for a stage 4 bedsore may be possible. This is because stage 4 bedsores are almost always preventable, so you may be able to hold the staff accountable by filing a nursing home neglect lawsuit. The presence of stage 4 bedsores usually means that warning signs were ignored in the earlier stages of bedsores. Instead of intervening, negligent nursing home staff allowed the wound to progress to this excruciatingly painful and often deadly stage. Call us right now at (855) 264-6310 to find out if we can connect you with a top nursing home lawyer near you. How long does a stage 4 bedsore lawsuit take?A bedsore lawsuit can often be settled out of court in a few months if both parties agree to the terms. However, if the case goes to trial, it could take a year or more, depending on its complexity and court schedules. How much can you get for a stage 4 bedsore lawsuit?Compensation in a stage 4 bedsore lawsuit can range from tens of thousands to several million dollars. For example, in 2026, a family was awarded $15 million for severe bedsores in a California nursing home lawsuit. Payouts from stage 4 bedsore lawsuits typically cover medical expenses, pain and suffering, and possibly punitive damages in cases of severe negligence. The amount depends on the specifics of each case, including the severity of the injury and the costs incurred. For an accurate estimate, consulting with an experienced nursing home attorney is recommended. Click to Live Chat for immediate assistance. Nursing Home Abuse Support TeamLast modified: March 24, 2026Reviewed by:Julie Rivers, MBA, CSAEldercare Advocate & Certified Senior AdvisorFact-CheckedEditorJulie Rivers is an eldercare advocate with over 25 years of experience focused on nursing home resident safety. She began as a case manager at a nursing home law firm, working with families in crisis. She is a Certified Senior Advisor and also cared for her mother through Alzheimer’s. Her business training deepens her understanding of how for-profit facilities operate. Written by:The Nursing Home Abuse Center TeamThe Nursing Home Abuse Center (NHAC) was founded to bring justice to those affected by nursing home and elder abuse. Our mission is to educate and empower victims of abuse and their families to take a stand against this unlawful mistreatment. We work to return dignity back to those who have been broken down by nursing home abuse and neglect. View Sources Administration for Community Living (ACL). (2024). Long-Term Care Ombudsman program. Retrieved from https://acl.gov/programs/Protecting-Rights-and-Preventing-Abuse/Long-term-Care-Ombudsman-Program. Afzali Borojeny, L., et al. (2020). The incidence of pressure ulcers and its associations in different wards of the hospital: A systematic review and meta-analysis. Retrieved from https://doi.org/10.4103/ijpvm.IJPVM_182_19. Agency for Healthcare and Research Quality. (n.d.). Pressure injuries. Retrieved from https://www.ahrq.gov/topics/pressure-ulcers.html. Associated Press. (2019). Paducah Nursing Home to pay $2.2m in negligence lawsuit. WKMS. Retrieved from https://www.wkms.org/society/2019-08-13/paducah-nursing-home-to-pay-2-2m-in-negligence-lawsuit#stream/0. Centers for Disease Control and Prevention. (2024). About abuse of older persons. Retrieved from https://www.cdc.gov/elder-abuse/about/index.html. Cleveland Clinic. (2023). Bedsores (pressure injuries). Retrieved from https://my.clevelandclinic.org/health/diseases/17823-bedsores-pressure-injuries. Felix, H. C., et al. (2023). Characteristics of United States nursing homes with high percentages of stage 2-4 pressure injuries among high-risk nursing home residents with obesity. Retrieved from https://doi.org/10.33235/wpr.31.4.174-181. Jaffe, I. (2019). Health workers still aren’t alerting police about likely elder abuse, reports find. NPR. Retrieved from https://www.npr.org/sections/health-shots/2019/06/12/731820729/reports-find-health-workers-still-arent-alerting-police-regarding-likely-elder-a. Kelman, B. (2018). New patients barred at Knoxville nursing home after woman with broken knees left in agony for 9 Days. Knoxville News Sentinel. Retrieved from https://www.knoxnews.com/story/news/2018/07/30/knoxville-elder-abuse-nursing-home-westmoreland/866232002/. Milliren, C. E., et al. (2024). Enhancing pressure injury surveillance using natural language processing. Retrieved from https://doi.org/10.1097/PTS.0000000000001193. National Council on Aging. (2024). Get the facts on elder abuse. Retrieved from https://www.ncoa.org/article/get-the-facts-on-elder-abuse/. Patel, K., et al. (2021). Elder abuse: A comprehensive overview and physician-associated challenges. Cureus, 13(4), e14375. Retrieved from https://doi.org/10.7759/cureus.14375. Smith, S., et al. (2018). Success in hospital-acquired pressure ulcer prevention: A tale in two data sets. Retrieved from https://doi.org/10.1377/hlthaff.2018.0712. World Health Organization. (2024). Abuse of older people. World Health Organization. Retrieved from https://www.who.int/news-room/fact-sheets/detail/abuse-of-older-people.