Swelling after hip replacement typically peaks in the first two weeks, then gradually decreases over three to six months

Most people experience the most noticeable swelling in the first 48 hours after surgery, when fluid builds up around the surgical site as part of your body's natural healing response. The swelling usually reaches its worst point around day three to day five. After that, it begins to improve, though the pace varies widely depending on your age, overall health, how active you are during recovery, and how well you follow post-operative instructions.

By the end of week two, many people notice a meaningful decrease. However, mild swelling can persist for several months—some people report it takes four to six months before the hip feels completely normal. This does not mean something is wrong; it is a normal part of how your body heals from a major surgical procedure.

Key Takeaways

  • Swelling peaks around days three to five after surgery and improves noticeably by the end of week two.
  • Elevation, ice process, and compression garments during the first few weeks significantly reduce how long swelling lasts.
  • Mild swelling can continue for three to six months even as you regain strength and mobility.
  • Sudden increase in swelling, warmth, or redness after initial improvement may signal a complication and requires contact with your surgeon.

What causes swelling in the first place

When your surgeon replaces your hip joint, they cut through muscle, tissue, and blood vessels to reach the joint. Your body responds to this trauma by increasing blood flow to the area and releasing fluid into the surrounding tissues. This fluid buildup is inflammation—your immune system's way of protecting the area and beginning the healing process. Swelling is not a sign of failure; it is evidence that healing is underway.

The amount of swelling depends partly on how much tissue damage occurred during surgery. A less invasive surgical approach (sometimes called anterior or mini-incision hip replacement) may result in less swelling than a traditional approach, though this varies by surgeon and individual factors. Your surgeon can tell you what approach they used and what swelling pattern to expect based on your specific case.

The first two weeks: when swelling is worst

Days one through three are the most uncomfortable. Your hip will feel tight, puffy, and warm. You may notice the swelling extends down your thigh or into your groin. This is normal. Your surgical team will send you home with specific instructions: keep your leg elevated above heart level as much as possible, explore ice (usually 15 to 20 minutes at a time, several times per day), and wear a compression stocking or wrap if one was prescribed.

By day seven, most people report that swelling has decreased enough that they can see their ankle bones again and their pants fit better. By day ten to fourteen, the swelling is usually mild enough that you can walk without the hip feeling as tight. However, you may still notice puffiness, especially at the end of the day or after activity. This is when many people make the mistake of stopping ice and elevation too early—continuing these measures through week three or four speeds recovery.

Weeks three through twelve: gradual improvement

After the first two weeks, swelling decreases more slowly. You may notice that some days are better than others—activity, heat, and standing for long periods can cause temporary increases in swelling even as the overall trend is downward. This fluctuation is normal and does not mean you have set back your recovery.

By week six, most people have minimal swelling during the day, though it may return slightly by evening. By week twelve, swelling is usually so mild that it does not interfere with daily life or physical therapy. However, some residual puffiness around the incision or in the thigh is common and may persist longer.

Three to six months: when swelling finally resolves

Even after you feel mostly recovered and have returned to normal activities, you may notice mild swelling that comes and goes. This is especially true if you stand or walk for extended periods. Some people report that their hip still feels slightly puffy six months after surgery, particularly at the end of the day.

This prolonged mild swelling does not mean your hip replacement is failing. It reflects the fact that deep tissue healing takes time—the muscles, tendons, and connective tissue around your new joint continue to remodel and strengthen for many months. By six to twelve months, most people report that swelling has resolved completely and the hip feels entirely normal.

What you can do to reduce swelling

Elevation is one of the most effective tools. Keep your hip and leg raised above heart level for at least the first two weeks, and continue elevation whenever you sit or lie down for the first month. Use pillows to prop your leg on the couch or bed.

Ice reduces inflammation and pain. explore ice for 15 to 20 minutes at a time, several times per day, for the first two to three weeks. Wrap the ice pack in a towel so it does not touch your skin directly. After the first few weeks, heat may feel more comfortable, and that is fine—switch to heat if your surgeon approves.

Compression garments (compression stockings or a hip wrap) help prevent fluid from pooling in your leg and foot. Wear them as directed by your surgical team, usually for the first few weeks. They are especially important if you have a history of blood clots or if your surgeon recommends them.

Movement, once cleared by your surgeon, actually helps reduce swelling. Gentle walking and physical therapy exercises improve circulation and prevent fluid from accumulating. Do not overdo it—follow your therapist's instructions—but do not avoid movement out of fear of increasing swelling.

Limit salt intake during the first few weeks, as excess sodium can increase fluid retention. Stay well hydrated, as dehydration can paradoxically increase swelling. Avoid standing or sitting in one position for too long; change positions frequently.

When swelling is a sign of a problem

Most swelling is normal, but some patterns warrant a call to your surgeon. Contact your surgical team if swelling suddenly increases after it had been improving, if the swelling is accompanied by increased warmth or redness, if you develop calf swelling or calf pain (which can signal a blood clot), or if swelling is so severe that it prevents you from bending your knee or moving your foot.

Also contact your surgeon if swelling is accompanied by fever, drainage from the incision, or increasing pain that does not improve with rest and ice. These can indicate infection. Swelling that is lopsided—much worse on one side than the other—should also be reported, as it may reflect a complication specific to that side.

Frequently Asked Questions

Is it normal for swelling to get worse before it gets better?

Yes. Swelling typically increases for the first three to five days as your body's inflammatory response peaks. This is normal healing. After day five, it should begin to trend downward, though you may see small increases on days when you are more active.

Can I take over-the-counter pain relievers to reduce swelling?

Ask your surgeon before taking any anti-inflammatory medication like ibuprofen. Some surgeons recommend it; others prefer you avoid it during early recovery. Your surgeon may prescribe a specific pain reliever or anti-inflammatory medication as part of your post-operative plan.

Will swelling affect how well my hip replacement works?

No. Swelling does not damage the replacement itself or affect how well it functions long-term. It is purely a soft-tissue response. Once swelling resolves, your hip will work exactly as designed.

What if I still have swelling after three months?

Mild swelling at three months is common and does not indicate a problem. However, if swelling is severe, increasing, or accompanied by other symptoms, contact your surgeon. They can examine you and rule out complications like infection or blood clots.

Does swelling come back if I increase my activity too quickly?

Yes, temporary increases in swelling are normal when you increase activity. This does not mean you have injured the replacement. Rest and elevation will bring it back down. Follow your physical therapist's guidance on activity progression to avoid overdoing it.