The clearest sign you may need a hip replacement is pain that persists despite months of non-surgical treatment and limits your ability to do everyday things like walking, climbing stairs, or sleeping through the night. There’s no single test or number that triggers the decision. It comes down to how much your hip affects your daily life after you’ve genuinely tried other options first.
Where Hip Pain Shows Up
The most common symptom of an arthritic hip is groin pain. This surprises many people, who expect to feel it on the outside of the hip or in the buttock. While pain can radiate to the buttock, thigh, or even the knee, groin pain is the classic presentation of a hip joint that’s wearing out. Some people are initially treated for a knee problem before anyone realizes the hip is the true source.
As the cartilage deteriorates, you’ll typically notice three things progressing together: pain, stiffness, and loss of function. Early on, the pain might only appear after a long walk or at the end of the day. In more advanced stages, it wakes you at night, makes it difficult to put on shoes or socks, and shortens the distance you can walk comfortably. Stiffness tends to be worst in the morning or after sitting for a while, and your hip gradually loses range of motion, making it harder to bend or rotate the leg.
What Has to Happen Before Surgery
Hip replacement is not a first-line treatment. Surgeons and insurers expect you to have tried conservative options and found them insufficient. The specific treatments that should come first include anti-inflammatory medications (like ibuprofen or naproxen), physical therapy, activity modification, and sometimes assistive devices like a cane. Corticosteroid injections into the joint can also provide short-term relief and are considered a reasonable option for managing symptoms.
Physical therapy is most effective for mild to moderate arthritis. It can strengthen the muscles around the hip, improve stability, and reduce pain. But when arthritis is advanced, therapy often reaches a ceiling. If you’ve committed to these treatments for several months and your pain and function haven’t meaningfully improved, that’s the clinical threshold for considering surgery.
One treatment that does not work for hip arthritis: hyaluronic acid injections. Despite being marketed for joint lubrication, high-quality evidence shows they don’t reduce pain or improve function in the hip any better than a placebo. The American Academy of Orthopaedic Surgeons recommends against them. Opioid painkillers are also not recommended for managing hip arthritis outside of surgery.
Signs Your Hip Is Ready for Replacement
Orthopedic surgeons look at the full picture, not just an X-ray. But there are patterns that consistently point toward replacement being the right call:
- Night pain that disrupts sleep. When pain at rest becomes routine, the joint has likely deteriorated past what conservative treatment can manage.
- Walking distance is shrinking. If you’ve gone from walking miles to struggling with a few blocks, your functional decline is significant.
- You’re avoiding activities you value. Skipping social events, giving up exercise, or relying on someone else for errands because of hip pain signals a major quality-of-life impact.
- Pain medications aren’t enough. If you’re taking anti-inflammatories regularly and still can’t function comfortably, the joint damage has likely outpaced what medication can do.
- Stiffness limits basic movements. Difficulty reaching your feet, getting in and out of a car, or climbing stairs suggests the joint has lost meaningful range of motion.
On X-ray, a healthy hip joint has a space of about 5 to 12 millimeters between the ball and socket, filled with cartilage. When that space narrows significantly, or when a difference of more than 1.5 millimeters appears between your two hips, it confirms structural damage. But plenty of people have terrible-looking X-rays with manageable symptoms, and others have relatively mild imaging findings with severe pain. The decision is driven by your experience, not the image alone.
How Age Factors Into the Decision
If you’re younger than 60, the calculus is a bit different. Modern hip replacements last a long time: national registry data show about 95% of implants are still functioning at 10 years in patients under 60. At 25 years, roughly 58% of hip replacements are still intact. Those are strong numbers, but they mean a younger patient has a real chance of needing a second surgery (called a revision) at some point in their lifetime.
Revisions are more complex than the original surgery. They don’t relieve pain or restore function as well as the first replacement, they’re more expensive, and the revised implant tends to wear out faster than the original did. This doesn’t mean younger patients should avoid hip replacement. It means the decision involves weighing years of disability now against the possibility of a more difficult surgery later. For many people in their 40s or 50s who can’t work, exercise, or enjoy life because of hip pain, that tradeoff is clearly worth it.
Tracking Your Symptoms Over Time
One useful tool is the Oxford Hip Score, a 12-question survey that measures how much your hip affects daily activities like washing, dressing, walking, climbing stairs, and sleeping. Each question is scored from 0 to 4, giving a total between 0 (worst) and 48 (best). Most people who eventually benefit from hip replacement score well below 37 before surgery. You can find the questionnaire online and use it to track your symptoms over weeks or months, giving you (and your surgeon) a clearer picture of whether you’re getting worse.
Bringing concrete information to your appointment makes the conversation more productive. Noting how far you can walk, which activities you’ve stopped doing, how many nights per week pain wakes you, and which treatments you’ve tried gives your surgeon the practical detail they need to help you decide.
When Surgery Isn’t an Option
Certain conditions rule out hip replacement entirely, at least temporarily. An active infection in the joint or elsewhere in the bloodstream is an absolute contraindication, as placing an implant in that environment risks a devastating surgical infection. Open wounds or skin infections near the surgical site also require treatment first. Neuropathic joint disease, where nerve damage has destabilized the joint, and rapidly progressive neurological conditions can also disqualify someone from surgery because the implant won’t function properly without adequate nerve and muscle support.
Beyond these hard stops, your overall health matters. Surgeons evaluate your cardiovascular fitness, diabetes control, nutritional status, and other factors to determine if you can safely undergo and recover from a major operation. Conditions that increase surgical risk don’t always prevent the procedure, but they may require optimization first.
What Recovery Looks Like
Most people are walking with assistance the same day as surgery and go home within one to two days. Recovery over the following weeks involves regaining strength and range of motion, either through formal physical therapy sessions or a structured home exercise program. Research shows both approaches produce similar outcomes at 12 months, so the choice often comes down to personal preference and how confident you feel exercising independently.
Full recovery typically takes three to six months, though many people notice dramatic pain relief within the first few weeks. The bone-deep aching and night pain that defined life before surgery are usually gone almost immediately. What remains is surgical soreness, which is a different and temporary kind of discomfort. Most people return to low-impact activities like walking, cycling, and swimming without restriction. High-impact sports like running carry more debate, but the overall satisfaction rate for hip replacement is among the highest of any elective surgery.