Does knee osteoarthritis cause difficulty climbing stairs?

Knee osteoarthritis can affect the joint surfaces and the tissues around them, leading to pain, stiffness and reduced confidence during loaded bending. Stairs require the knee to bend while supporting body weight, so symptoms may become more noticeable going up or down. Some people also notice grinding, brief stiffness after rest or reduced range of movement.

Most people with knee osteoarthritis notice difficulty climbing stairs, but this symptom can also reflect weakness, balance problems, hip pain or another knee condition. A clinical assessment considers the whole movement pattern rather than stairs alone.

Use the handrail, take one step at a time when needed, and place the whole foot securely on each step. A physiotherapist can teach strengthening and balance exercises suited to your symptoms. Break up long periods of sitting and choose low-impact movement that keeps the knee active without a flare. Supportive footwear and a review of stair technique may also help.

Arrange medical advice if stair difficulty is worsening, causes repeated near-falls, or limits work and daily tasks. Seek urgent care after a major injury, sudden deformity, inability to bear weight, or a hot swollen knee with fever. Sudden loss of strength or new numbness also needs prompt assessment.

Ask whether your stair difficulty comes mainly from pain, stiffness or weakness, which exercises are appropriate, and whether you need advice about a rail, walking aid or activity changes.