Is bruising after hip replacement normal?

Published guidance from the AAOS and NHS indicates that bruising after hip replacement is very common and expected. Hip replacement is a major operation that involves working through muscle and soft tissue, so blood naturally collects in the surrounding tissues. Bruising can be extensive: sometimes covering the hip, thigh, and even reaching the knee or lower leg, and this is usually a normal part of healing.

Why does bruising travel down the leg after hip replacement?

Published guidance explains that gravity causes blood that has collected in the tissues around the hip to track downward over the days following surgery. This is why bruising often appears on the thigh, knee, and sometimes even the shin or ankle, well away from the surgical site. This 'gravitational tracking' is normal and does not mean that anything has gone wrong lower down the leg.

What colours will my bruising go through?

Published guidance indicates that bruising changes colour as the body breaks down haemoglobin in the leaked blood. The typical progression is: red or dark purple in the first 1-2 days, blue or deep purple from days 2-5, green or dark yellow from days 5-10, yellow or light brown from days 10-14, and fading to normal skin colour by 2-4 weeks. This colour change is a healthy sign that your body is reabsorbing the blood.

Does bruising last longer if I take blood thinners?

Published guidance indicates that patients taking anticoagulant medications (blood thinners): such as warfarin, rivaroxaban, apixaban, enoxaparin, or aspirin. Can expect more extensive bruising that may take longer to resolve. This is expected because the medication reduces the blood's ability to clot. Do not stop or change your blood-thinning medication without discussing it with your surgical team.

When should I worry about bruising after hip replacement?

Published guidance indicates you should contact your surgical team if: bruising is rapidly expanding or getting significantly worse after the first week, the bruised area is very firm or tense and increasingly painful, you develop a fever or feel generally unwell alongside the bruising, the surgical wound is oozing or bleeding, or you notice unusual swelling in the calf (which could indicate a blood clot rather than bruising). Bruising that is stable or gradually fading is almost always normal.

Can I do anything to help bruising go away faster?

Published guidance suggests that gentle elevation of the leg when resting, staying gently mobile (as instructed by your physiotherapist), and applying ice packs wrapped in a cloth to the hip area in the first 48-72 hours may help limit bruising. Avoid massaging the bruised area directly. Most bruising resolves on its own within 2-4 weeks without specific treatment.

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Bruising after hip replacement — is it normal?

Sources · Last reviewed: Jul 2026

AAOSNHSNICEhealthdirect

Full sources ↗

If you have woken up after hip replacement surgery to find dramatic bruising spreading across your hip, thigh, or even down to your knee: you are not alone, and it is almost always normal. Published guidance from the AAOS and NHS explains why it happens and what to watch for.

⚕️ General information only: not medical advice. If bruising is expanding rapidly, you have a fever, or your wound is oozing, contact your surgical team. This guide cannot diagnose your symptoms.

The short answer

Published guidance from the AAOS and NHS indicates that extensive bruising after hip replacement is very common and expected. Hip replacement involves working through large muscles and well-supplied blood vessels. Blood that leaks into the surrounding tissues during surgery produces bruising that can look dramatic but is part of normal healing. The bruising typically peaks at 3–5 days and fades over 2–4 weeks. (Last checked Jul 2026)

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Why is the bruising so extensive?

Published guidance identifies several reasons why bruising after hip replacement can be particularly widespread. (AAOS, NHS, last checked Jul 2026)

Major surgery with deep tissue work: Hip replacement involves retracting large muscles (such as the gluteals and hip flexors) and working close to well-supplied blood vessels. Even with careful surgical technique, some blood leaks into the surrounding soft tissues
Gravity causes tracking: Blood that collects around the hip does not stay put. Over the days following surgery, gravity pulls it downward through the tissue planes. This is why bruising often appears on the outer thigh, inner thigh, knee, and sometimes as far as the shin or ankle, well away from the actual incision
Blood thinners after surgery: Most patients are prescribed anticoagulant medication (blood thinners) after hip replacement to prevent blood clots. These medications reduce clotting, which can make bruising more extensive and longer-lasting. This is an expected trade-off
Individual variation: Some people bruise more easily than others due to age, skin type, medications, or underlying conditions. Older skin and thinner tissues tend to show bruising more visibly

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How bruise colours change

Published guidance indicates that the changing colours of a bruise reflect your body breaking down and reabsorbing the leaked blood. This progression is a healthy sign of healing. (NHS, healthdirect, last checked Jul 2026)

Days 1–2

Red or dark purple. Fresh blood under the skin. The bruise may feel warm and tender. This is the most dramatic-looking stage

Days 2–5

Blue or deep purple. The blood is losing oxygen. The bruise may spread as gravity pulls blood through the tissues. This is normal

Days 5–10

Green or dark yellow-green. Haemoglobin is being broken down into biliverdin. The bruise is being actively reabsorbed by your body

Days 10–14

Yellow or light brown. Biliverdin converts to bilirubin. The bruise is now fading and close to resolution

Weeks 2–4

Fading to normal skin colour. The body has reabsorbed the blood. Any remaining yellow tinge typically clears within a few more days

Note: These timeframes are approximate. Patients on blood thinners, older adults, and those with larger initial bruises may see the process take longer: up to 4–6 weeks in some cases.

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Where bruising commonly appears

Published guidance explains that bruising tracks away from the hip due to gravity. Common locations include:

Very common

✓ Around the incision site
✓ Outer thigh (lateral)
✓ Front of the thigh
✓ Inner thigh / groin area
✓ Buttock on the operated side

Less common but still normal

✓ Around the knee
✓ Behind the knee
✓ Shin or lower leg
✓ Ankle (rarely)
✓ Other hip (occasionally)

Source: Published orthopaedic guidance (AAOS, NHS, last checked Jul 2026). Bruising at these distant sites does not mean there is an injury in that location: the blood has simply tracked there from the hip.

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Blood thinners and bruising

Published guidance indicates that most patients are prescribed blood-thinning medication after hip replacement to reduce the risk of deep vein thrombosis (DVT). These medications can increase bruising. (NICE, AAOS, last checked Jul 2026)

Common medications: Enoxaparin (Clexane), rivaroxaban (Xarelto), apixaban (Eliquis), dabigatran (Pradaxa), aspirin, or warfarin. Your surgical team will have chosen the most appropriate one for you
More extensive bruising is expected: Blood thinners slow clotting, so bruises may be larger and take longer to fade. This is a known side effect and does not usually mean anything is wrong
Do not stop your blood thinners: Even if bruising looks concerning, do not stop or reduce your anticoagulant medication without speaking to your surgical team. The risk of a blood clot is more serious than the bruising
Mention other medications: If you also take aspirin, anti-inflammatories (such as ibuprofen), or supplements like fish oil or vitamin E, mention this to your surgical team as these can add to the bruising effect

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Helping bruising resolve

Published guidance suggests a few things that may help limit bruising and support healing. (NHS, healthdirect, last checked Jul 2026)

Elevate when resting: Keeping your leg gently elevated on pillows when sitting or lying down can help reduce blood pooling in the tissues
Ice packs (first 48–72 hours): Applying a cold pack wrapped in a cloth to the hip area for 15–20 minutes at a time can help limit initial bruising. Do not apply ice directly to the skin or the incision
Stay gently mobile: Moving as your physiotherapist has instructed helps circulation, which supports the body in reabsorbing the bruise. Prolonged bed rest can delay resolution
Avoid massaging the bruise: Rubbing or massaging a fresh bruise can worsen it. Allow the area to heal on its own
Wear loose clothing: Tight clothing around the hip or thigh can irritate bruised tissues. Loose, soft fabrics are more comfortable during recovery

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Recovery essentials

Items that patients commonly find helpful during the bruising and early recovery period:

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Gel ice pack (reusable)

Wrap-around style to fit the hip area. Use with a cloth between pack and skin

View on Amazon AU

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Leg elevation pillow

Wedge-shaped pillow for comfortable elevation when resting in bed or on the sofa

View on Amazon AU

Amazon affiliate links: we may earn a small commission at no cost to you. We only suggest items that are commonly recommended in post-operative recovery.

⚠️ When bruising needs medical review

Bruising that is rapidly expanding or getting significantly worse after the first week
The bruised area feels very firm, tense, and increasingly painful (possible haematoma)
You develop a fever (above 38°C / 100.4°F) alongside the bruising
The surgical wound is oozing, bleeding, or has an unusual smell
You notice new swelling, warmth, or tenderness in your calf (possible DVT, separate from bruising)
You feel light-headed, dizzy, or unusually tired (possible signs of significant blood loss)

In an emergency, call 000 (AU) · 999 (UK) · 911 (US) · 112 (EU)

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Common questions

Is it normal for bruising to appear at my knee when the surgery was on my hip?

Yes. Published guidance explains that gravity causes blood to track downward through the tissue planes. Bruising at the knee, shin, or even ankle after hip surgery is common and does not mean there is an injury at that location. The blood has simply migrated from the hip area. (NHS, AAOS, last checked Jul 2026)

My bruising seems to be getting bigger in the first few days. Is that normal?

Published guidance indicates that bruising typically spreads and peaks around days 3–5 after surgery. This is because blood continues to track through the tissues due to gravity. As long as the bruising stabilises after the first week and begins to change colour (purple to green to yellow), this is normal progression.

Does more bruising mean the surgery did not go well?

No. Published guidance from the AAOS indicates that the amount of bruising does not reflect the quality of the surgery. Bruising depends on many individual factors including skin type, age, blood thinner use, and natural clotting ability. Some patients have extensive bruising after a perfectly performed procedure.

Should I stop my blood thinners because of the bruising?

No: do not stop or change your blood-thinning medication without speaking to your surgical team. Published guidance from NICE indicates that anticoagulants are prescribed to prevent potentially dangerous blood clots after hip replacement. The bruising, while it can look concerning, is a much less serious side effect than the blood clots the medication is preventing. (NICE, last checked Jul 2026)

When should my bruising be completely gone?

Published guidance indicates that most post-operative bruising resolves within 2–4 weeks. For patients on blood thinners, or those with particularly extensive bruising, it may take up to 4–6 weeks for all discolouration to fully clear. If bruising persists beyond 6 weeks or is worsening rather than improving, mention it to your surgical team at your next review.

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Related guides

🩹 Hip replacement recovery 💪 Hip replacement exercises 🏠 Daily life after hip replacement 🏃 Return to exercise after surgery

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These tools support — never replace — the advice of your surgical team. If something feels wrong, contact your doctor or emergency services.

Bruising after hip replacement — is it normal?

🔬 Why is the bruising so extensive?

🎨 How bruise colours change

📌 Where bruising commonly appears

💊 Blood thinners and bruising

🩹 Helping bruising resolve

📦 Recovery essentials