What is Knee Osteoarthritis (Arthritis in the Knee)?

Introduction

Knee osteoarthritis is a common joint problem. It happens when the cartilage in your knee wears down over time. This condition is also called arthritis in the knee or osteoarthritis in the knee joint. As a result, the bones in your knee may rub together. This can cause pain, swelling, and stiffness. Many people notice these symptoms as they get older. However, knee osteoarthritis can affect adults of any age.

Symptoms

Symptoms of knee osteoarthritis often develop slowly. But they may get worse over time. Common knee arthritis symptoms include:

Pain in the knee, especially after activity

Stiffness, often in the morning or after resting

Swelling around the knee joint

Clicking or popping sounds when moving the knee

Difficulty bending or straightening the knee

Feeling like the knee may give way

Sometimes, symptoms can come and go. But for many, they slowly get worse.

Causes and Risk Factors

Knee osteoarthritis happens when the cartilage in the knee breaks down. Cartilage is a smooth tissue that helps your knee move easily. When it wears away, bones can rub together. This causes pain and swelling. Several things can raise your risk of knee osteoarthritis:

Getting older

Being overweight or obese

Previous knee injuries

Family history of osteoarthritis

Jobs or sports that stress the knee

Weak muscles around the knee

Even though anyone can get knee osteoarthritis, these factors make it more likely.

Diagnosis

Doctors diagnose knee osteoarthritis using several steps. First, they ask about your symptoms and medical history. Next, they examine your knee for swelling, pain, or movement problems. Often, doctors order X-rays to check for bone changes. Sometimes, they may use MRI scans to look at soft tissues. Blood tests are not usually needed, but they can help rule out other types of arthritis. Early diagnosis helps you start treatment sooner.

Treatment Options

Treatment for knee osteoarthritis aims to reduce pain and improve movement. Your doctor may suggest:

Pain relievers like acetaminophen or NSAIDs

Physical therapy to strengthen knee muscles

Weight loss if you are overweight

Supportive devices, such as braces or shoe inserts

Injections, such as corticosteroids, for severe pain

Surgery, like knee replacement, if other treatments do not help

Each person’s treatment plan may be different. Therefore, it is important to talk with your doctor about the best options for you.

Lifestyle Tips and Self-care

Simple lifestyle changes can help manage knee osteoarthritis. For example, you can:

Stay active with gentle exercises, like walking or swimming

Use ice or heat packs to ease pain

Maintain a healthy weight

Wear comfortable, supportive shoes

Avoid activities that strain your knees

Practice stretching to keep your knee flexible

With these tips, many people find their symptoms improve.

Prevention

While you cannot always prevent knee osteoarthritis, you can lower your risk. Try these steps:

Keep a healthy weight

Exercise regularly to strengthen your legs

Protect your knees from injuries

Use proper techniques when lifting or playing sports

Eat a balanced diet for joint health

Even small changes can make a big difference over time.

When to See a Doctor

If you have knee pain that does not go away, see a doctor. Also, if your knee is swollen, stiff, or hard to move, get medical advice. Early treatment can help prevent more damage. In some cases, waiting too long can make symptoms worse. Therefore, do not ignore ongoing knee problems.

For personalized advice on knee osteoarthritis, consult an orthopedic specialist at Shreejii Hospital and Research Centre.