A pressure sore — also called a bedsore or pressure injury — can start forming in as little as two hours of unrelieved pressure on the skin. For someone who is bedridden, uses a wheelchair, or has limited mobility, prevention and early detection matter more than almost anything else in day-to-day wound care.
How pressure sores develop
Per Cleveland Clinic, sustained pressure cuts off blood flow to the skin; without blood flow, skin cells begin to die and a wound forms. This happens fastest over bony areas where there’s little cushioning — ankles, heels, hips, the tailbone, elbows, and the back. Moisture from sweat, urine or stool, and friction from sliding down in a bed or wheelchair, both accelerate the process.
The four stages
| Stage | What it looks like |
|---|---|
| Stage 1 | Skin looks red or pink with no open wound; may feel tender, warmer, cooler, softer or firmer than surrounding skin. Harder to see on darker skin — go by feel and touch, not just color. |
| Stage 2 | A shallow open wound with a pink or red base; skin loss, abrasion, or blistering. |
| Stage 3 | The wound extends into the fatty layer beneath the skin. |
| Stage 4 | Full-thickness wound exposing muscle, tendon or bone. |
Stage 1 is the stage where a daily skin check actually changes the outcome — it’s reversible with prompt offloading of pressure. By stage 3 or 4, professional wound care is generally required, and the risk of serious infection rises sharply.
Who’s most at risk
- Anyone with limited mobility — bedridden, wheelchair-dependent, or in a cast or splint
- People with diabetes, dementia, peripheral artery disease, or malnutrition
- People with reduced sensation, who may not feel a developing sore forming
- Anyone using oxygen therapy long-term (pressure points on the nose bridge and ears) or with ill-fitting dentures
Signs a wound has become infected
Fever and chills are often the first sign something has gone beyond a simple wound. Other signs of infection:
- The wound is extremely painful, more than expected
- Foul odor
- Redness and warmth spreading around the wound
- Swelling
- Pus or unusual drainage
Untreated infection can progress to cellulitis or sepsis — genuinely life-threatening complications, not a theoretical worst case. Any of these signs is a same-day call to a doctor or wound care provider, not a wait-and-see situation.
Prevention that actually works
- Repositioning on a real schedule — not “when we remember,” but a set interval, since damage can start within two hours.
- Daily skin checks of the bony areas most at risk, done as a routine, not only when someone mentions discomfort.
- Managing moisture — prompt cleanup after incontinence, and keeping skin dry.
- Nutrition and hydration — poor nutritional status is a documented risk factor, not a separate issue from skin health.
- Reducing friction — proper positioning aids and careful technique when moving someone, rather than sliding or dragging.
What professional wound care adds
A trained nurse brings two things a family caregiver usually can’t: an eye trained to catch stage 1 changes before they’re obvious, and the clinical judgment to treat stage 2 wounds properly rather than letting them progress. For stage 3 and 4 wounds, ongoing skilled nursing care is generally necessary, not optional.
Our skilled nursing team provides wound care and ongoing skin assessment for clients across Brooklyn and Queens, including private duty nursing for more complex or continuous needs. If you’ve noticed a change in someone’s skin, or want a professional assessment before a minor issue becomes a major one, call (718) 232-2777 or use our contact page.
Frequently asked questions
How fast can a pressure sore develop?
Damage can begin in as little as two hours of unrelieved pressure on the skin, which is why regular repositioning matters so much for anyone with limited mobility.
What does a stage 1 pressure sore look like?
Red or pink skin with no open wound, though it may feel tender, warmer, cooler, softer or firmer than the skin around it. It can be harder to spot on darker skin tones, so checking by touch matters as much as looking.
What are the signs a pressure sore is infected?
Fever and chills, extreme pain, foul odor, spreading redness and warmth, swelling, and pus or unusual drainage. These need same-day medical attention.
Who is most at risk for pressure sores?
People with limited mobility (bedridden or wheelchair-dependent), diabetes, dementia, poor nutrition, or reduced sensation are all at elevated risk.
Can pressure sores be prevented?
Yes, largely — through scheduled repositioning, daily skin checks, prompt moisture management, good nutrition, and careful technique to reduce friction when moving someone.
This is general information, not medical advice. Any suspected pressure sore or sign of infection should be evaluated by a medical professional. Checked against Cleveland Clinic clinical guidance on 27 September 2026.
