Osteoarthritis Management: Symptoms, Causes & What You Can Do

Living with osteoarthritis doesn’t have to mean giving up the activities you love — here’s what the evidence says about managing it effectively.

When David, 58, noticed that his knees ached every time he got up from his chair, he assumed it was just "getting older." By the time climbing stairs felt like a daily battle, his doctor confirmed what millions of Americans face: osteoarthritis. He wasn’t alone. According to the Centers for Disease Control and Prevention (CDC), osteoarthritis affects more than 32.5 million U.S. adults, making it the most common form of arthritis in the country.

Osteoarthritis can quietly reshape your daily life — from the way you walk to the activities you once enjoyed. But here’s the encouraging truth: with the right combination of lifestyle changes, medical support, and self-care strategies, many people manage their symptoms effectively and maintain a good quality of life.

In this guide, you’ll learn what osteoarthritis actually is, why it develops, what symptoms to watch for, and — most importantly — what evidence-based steps you can take starting today.

What Is Osteoarthritis? Understanding the Basics

Osteoarthritis (OA) is a degenerative joint disease that occurs when the cartilage — the slippery tissue that cushions the ends of your bones — gradually breaks down. As cartilage wears away, bones can begin to rub against each other, causing pain, stiffness, and reduced range of motion.

Unlike rheumatoid arthritis, which is an autoimmune condition, osteoarthritis is primarily driven by mechanical wear, aging, and inflammation at the joint level. It most commonly affects the knees, hips, hands, and spine — the joints that carry the most load or perform the most repetitive movements over a lifetime.

The National Institutes of Health (NIH) notes that OA becomes increasingly prevalent with age, particularly after 45, and affects women at higher rates than men — especially after menopause. It’s worth knowing that OA is not just "wear and tear" in a simple mechanical sense; research now recognizes that low-grade inflammation plays a significant role in the progression of the disease, even though it isn’t classified as an inflammatory arthritis in the traditional sense.

If you’ve also been managing heart-related concerns alongside joint pain, you may want to read about Heart-Healthy Habits After 40: What Actually Works, since cardiovascular health and mobility are deeply connected.

Signs and Symptoms: How Osteoarthritis Shows Up

Osteoarthritis tends to develop slowly, and many people dismiss early signs as normal aging. Recognizing these symptoms early gives you more options for managing the condition before it progresses.

Common signs and symptoms include:

• Joint pain — typically a deep, aching pain that worsens with activity and improves with rest
• Morning stiffness — usually lasting less than 30 minutes (longer stiffness may suggest inflammatory arthritis)
• Reduced range of motion — difficulty bending a knee, reaching overhead, or gripping objects
• Swelling — soft tissue swelling or bony enlargement around affected joints
• A crackling or grating sensation — called crepitus, felt or heard when moving the joint
• Tenderness — when light pressure is applied to the joint area
• Joint instability — a feeling that the joint might "give way," especially in the knees

According to the American College of Rheumatology, knee osteoarthritis is particularly common and is a leading cause of disability in adults over 50. Studies indicate that up to 40% of adults over 70 show clinical signs of knee OA — yet many remain undiagnosed because they assume pain is inevitable with aging.

Causes and Risk Factors: Why Osteoarthritis Develops

Osteoarthritis doesn’t have a single cause. It develops through a combination of factors — some you can influence, and some you cannot.

Non-modifiable risk factors:

• Age — cartilage becomes less resilient with time; OA is rare before 40 but increasingly common after 50
• Sex — women are significantly more likely to develop OA, particularly in the knees and hands
• Genetics — family history plays a meaningful role in your susceptibility to OA
• Prior joint injury — a past fracture, torn meniscus, or ligament injury increases risk in that joint substantially
• Joint malformation — certain structural issues present from birth can accelerate cartilage wear

Modifiable risk factors:

• Excess body weight — every pound of body weight adds roughly 4 pounds of pressure to the knees, according to the Arthritis Foundation
• Sedentary lifestyle — weak muscles around joints provide less support and increase mechanical stress
• Repetitive joint stress — certain occupations or activities that involve repeated kneeling, squatting, or heavy lifting
• Poor diet and chronic inflammation — diets high in processed foods and sugar may worsen systemic inflammation
• Metabolic conditions — poorly controlled diabetes and metabolic syndrome are linked to higher OA risk and faster progression

The good news: addressing the modifiable factors — particularly weight management, physical activity, and diet — can meaningfully slow disease progression and reduce pain, even in people with significant joint damage.

Evidence-Based Treatment Options: What You Can Do

There is no cure for osteoarthritis — but that doesn’t mean you’re without options. A growing body of evidence supports a range of approaches that can reduce pain, improve function, and help you stay active.

1. Exercise and Physical Activity

This may feel counterintuitive when your joints hurt, but movement is one of the most effective treatments available for OA. Mayo Clinic and multiple clinical guidelines identify exercise as a first-line recommendation for osteoarthritis management.

Low-impact aerobic exercises — like walking, swimming, cycling, and water aerobics — build cardiovascular health without placing excessive stress on joints. Strength training that targets the muscles surrounding affected joints (particularly the quadriceps for knee OA) provides crucial mechanical support. Research published in journals reviewed by the NIH suggests that structured exercise programs reduce OA pain by 40% on average in participants who adhere consistently.

2. Weight Management

If you carry excess weight, even modest loss can produce significant relief. Losing just 10 pounds can reduce knee joint load by 40 pounds per step, according to the Arthritis Foundation. Research suggests that weight loss of 5–10% of body weight is associated with meaningful improvements in pain scores and physical function for people with knee OA.

3. Pain Relief and Medications

Several medication options are available, ranging from over-the-counter to prescription strength:

• Topical NSAIDs (like diclofenac gel) — often recommended as a first option, particularly for older adults, as they provide localized relief with fewer systemic side effects
• Oral NSAIDs (ibuprofen, naproxen) — effective for pain and inflammation but carry gastrointestinal and cardiovascular risks with long-term use
• Acetaminophen — can help with mild-to-moderate pain in some patients, though its effectiveness for OA is considered modest
• Corticosteroid injections — short-term relief for flare-ups; typically limited to a few times per year due to potential joint tissue effects
• Hyaluronic acid injections — evidence is mixed; some patients report benefit, particularly for knee OA
• Duloxetine — an FDA-approved option for chronic musculoskeletal pain, which may benefit patients who don’t tolerate NSAIDs well

Always discuss medication choices with your physician, as the right option depends on your specific joints affected, other health conditions, and your overall risk profile.

4. Physical and Occupational Therapy

A licensed physical therapist can design a personalized exercise program, teach proper movement mechanics, and recommend assistive devices or bracing. Johns Hopkins Medicine highlights physical therapy as a cornerstone of non-surgical OA management. Occupational therapy can also help you adapt daily tasks to reduce joint strain.

5. Dietary and Supplement Approaches

While no diet cures osteoarthritis, an anti-inflammatory eating pattern — rich in vegetables, fruits, whole grains, fish, and healthy fats — may help reduce systemic inflammation. The Mediterranean diet, in particular, has been associated with lower levels of joint inflammation markers in several studies.

Regarding supplements, research suggests that omega-3 fatty acids may have modest anti-inflammatory benefits. Evidence for glucosamine and chondroitin is mixed — some patients report improvement in symptoms, but large clinical trials have shown inconsistent results. Harvard Health Publishing recommends discussing any supplements with your doctor before starting, especially if you take blood thinners.

6. Surgical Options (When Other Approaches Fall Short)

When conservative treatments no longer provide adequate relief and quality of life is significantly impaired, surgical options may be considered. Joint replacement surgery — particularly for the hip and knee — has a strong track record for restoring function and reducing pain in carefully selected patients. Arthroscopy, once commonly used for knee OA, is generally no longer recommended as a routine procedure for this condition based on updated evidence.

Since chronic pain from OA can also disrupt your sleep, you may find it helpful to explore Sleep and Stress: How Chronic Stress Steals Your Rest as part of your overall wellness approach.

When to See a Doctor: Red Flags and Key Conversations

Not all joint pain is osteoarthritis — and even if it is, certain symptoms warrant prompt medical evaluation. Don’t wait if you experience:

• Sudden, severe joint pain or swelling that comes on quickly (could indicate a flare of inflammatory arthritis or gout)
• A joint that is hot, red, and swollen (signs of possible infection or inflammatory arthritis)
• Significant joint instability that causes falls or inability to bear weight
• Morning stiffness lasting more than 45-60 minutes (more consistent with rheumatoid arthritis)
• Unexplained weight loss or fatigue alongside joint symptoms
• Pain that significantly limits your daily function and doesn’t respond to self-care

When you see your doctor, be prepared to describe which joints are affected, how long symptoms have been present, what makes pain better or worse, and how it impacts your daily activities. Ask specifically about X-rays to assess joint space narrowing, blood tests to rule out inflammatory arthritis, and whether a referral to a rheumatologist or orthopedic specialist is appropriate for your situation.

If you have kidney concerns alongside OA — particularly relevant if you take NSAIDs regularly — it’s worth reviewing Chronic Kidney Disease: Symptoms, Causes & What You Can Do to understand how medication choices may affect kidney health.

Frequently Asked Questions About Osteoarthritis

Is osteoarthritis reversible?
Unfortunately, once cartilage damage occurs, it cannot fully regenerate with current treatments. However, many people successfully slow progression, reduce pain significantly, and maintain excellent function through consistent management strategies. Research into cartilage repair and regenerative therapies is ongoing.

Can exercise make osteoarthritis worse?
This is one of the most common concerns — and the evidence is reassuring. Appropriate low-impact exercise does not accelerate OA progression in most people and is strongly associated with reduced pain and improved function. High-impact activities that place excessive load on damaged joints should be approached with caution. Work with a physical therapist to identify the right exercise plan for you.

What’s the difference between osteoarthritis and rheumatoid arthritis?
Osteoarthritis is a degenerative condition driven by cartilage breakdown and mechanical factors. Rheumatoid arthritis is an autoimmune disease where the immune system attacks the joint lining. They can feel similar but have important differences in pattern, blood markers, morning stiffness duration, and treatment approaches. A physician can distinguish between them through examination and testing.

Are there natural remedies that help with osteoarthritis pain?
Some people find relief from topical capsaicin cream, heat and cold therapy, acupuncture, or massage. Research suggests acupuncture may provide modest pain reduction for some OA patients. These approaches are generally safe as complements to — not replacements for — evidence-based medical treatment. Always discuss them with your healthcare provider.

At what point should I consider joint replacement surgery?
Surgery is typically considered when pain is severe enough to interfere significantly with daily life, when conservative treatments over an adequate period have provided insufficient relief, and when imaging confirms significant structural joint damage. This is a decision made collaboratively with an orthopedic surgeon based on your individual circumstances, age, activity goals, and overall health.

Conclusion: Living Well With Osteoarthritis

Osteoarthritis is one of the most common chronic conditions in America — but it doesn’t have to define your life. The most powerful tools at your disposal are often the ones you can act on today: staying active, managing your weight, working with a healthcare team, and staying informed about your options.

Every person’s experience with OA is different. What works beautifully for one person may need adjustment for another — and that’s why partnering with a physician or rheumatologist who knows your full health picture matters so much. You deserve care that’s tailored to you, not just a generic plan.

Start with one step — whether that’s a daily walk, a conversation with your doctor, or learning about physical therapy. Consistent, small actions add up to meaningful change over time.

This article is for informational and educational purposes only and does not constitute medical advice, diagnosis, or treatment. Always consult a qualified healthcare professional before making any health-related decisions or changing your treatment plan.

Reviewed by the Healthy Care Today Editorial Team — a group of health writers committed to evidence-based wellness content for everyday Americans.