Adults only (18+)

What Does Arthritis in the Knee Feel Like?

Deep Aching Pain

One of the most prominent sensations associated with knee arthritis is a deep, aching pain within or around the knee joint. This pain often worsens with activity such as walking, climbing stairs or standing for prolonged periods and may improve somewhat with rest. The ache can feel dull or sharp and is sometimes accompanied by a sensation of pressure or heaviness in the joint. For many, the pain becomes more noticeable as the day progresses or during weather changes, and it may even disturb sleep when severe.

Stiffness and Reduced Flexibility

Stiffness in the knee is another hallmark of arthritis. Many people describe difficulty bending or fully straightening their knee after waking or sitting for a long time. This stiffness can feel like the joint is “locked” or resistant to movement, making simple tasks such as getting out of a chair or stepping into a car challenging. Over time, reduced flexibility may cause a decrease in overall leg strength and affect balance, which can increase the risk of falls.

Swelling and Warmth

Swelling and warmth around the knee often accompany arthritis flare-ups. Inflammation causes the joint to appear swollen or puffy, and the skin may feel warm or tender to touch. This swelling can create a sensation of tightness or fullness inside the knee, further limiting movement. In some cases, fluid may accumulate inside the joint, leading to noticeable swelling known as an effusion, which can cause discomfort and a sensation of instability.

Grinding, Popping or Cracking Sensations

Many people with knee arthritis report hearing or feeling grinding, popping or cracking sounds when moving the joint. These sensations, medically referred to as crepitus, result from the roughened cartilage surfaces rubbing together or the presence of bone spurs. While not always painful, these noises can be unsettling and often indicate the progression of joint degeneration.

Fatigue and Emotional Impact

Beyond physical symptoms, knee arthritis can cause fatigue and a general sense of feeling unwell, especially during active inflammation. Chronic pain and reduced mobility can also affect emotional wellbeing, leading to feelings of frustration, anxiety or depression. The cumulative impact of these symptoms often results in a decreased ability to engage in favourite activities or maintain independence.

Summary

Arthritis in the knee feels like a combination of deep aching pain, stiffness especially after rest, swelling and warmth around the joint, grinding sensations during movement and sometimes fatigue or emotional distress. Recognising these symptoms early and working with healthcare professionals to manage them can help preserve joint function and improve quality of life.