Knee osteoarthritis: pain, stiffness and what actually helps
How knee osteoarthritis feels, why exercise and weight management are the core treatments, and how and when injections and surgery are considered.
Osteoarthritis is the most common form of arthritis, and the knee is one of the joints it most often affects. It involves gradual changes in the cartilage, bone and tissues around the joint. It is often called wear and tear, but the joint is better thought of as adapting, and many people with these changes on a scan have little or no pain.
When to get urgent help
Go to A&E or call 999 if you have any of these. They can be signs of a fracture, infection, blood clot or other emergency.
- A limb that looks deformed, or a joint that you cannot move or put weight on after an injury
- A cold, pale or numb foot or hand after injury
- A hot, red, swollen joint with a high temperature
- A painful, swollen, warm calf, with or without breathlessness or chest pain
What it can feel like
- Knee pain that builds with activity, such as walking, stairs or standing for long, and eases with rest
- Stiffness after sitting or first thing in the morning, which the NHS says usually lasts less than 30 minutes
- A grating, creaking or crunching feeling when the knee moves
- Swelling, or a knee that feels less flexible, may not straighten or bend fully, or feels weak or unstable
Common contributors
- Age, which makes changes in the joint more common
- A previous knee injury, such as a meniscus or ligament injury
- Carrying extra weight, which adds load to the knees
- Family history, joint shape and some jobs or sports that load the knee heavily
- Low activity, which can leave the muscles around the knee weak
General self-care
These are general comfort measures many people find reasonable. They are not a treatment plan, and what suits one person may not suit another.
- Regular exercise is one of the most useful things you can do. Strengthening the muscles around the knee, with walking, cycling, swimming or exercise classes, helps many people
- Where it applies, losing weight reduces load on the knees and can make a difference
- Pace yourself on busy days, and use supportive, cushioned footwear
- Warmth can ease stiffness, and ice can ease soreness after activity, for some people
- If you use over-the-counter pain relief, including anti-inflammatory gels, follow the packet instructions or ask a pharmacist
When to see your GP
See your GP promptly, or call NHS 111, if you have any of the following:
- Pain after a significant injury, fall or twist
- Pain that is constant, severe or getting worse, or wakes you at night
- Unexplained weight loss, fever or feeling generally unwell with limb pain
Consider seeing your GP if:
- A knee that is suddenly hot, red and swollen, particularly with a fever or feeling unwell
- Pain that is getting steadily worse, waking you at night, or limiting what you can do
- A knee that locks, gives way repeatedly, or that you cannot put weight on
- Stiffness lasting longer than 30 minutes in the morning, or several joints affected at once
How osteopathy may help
Osteopaths regularly see people with knee pain from osteoarthritis. After taking a full history and examining you, treatment typically combines hands-on techniques (such as soft-tissue work, joint mobilisation and, where suitable, manipulation) with advice and exercises you can do yourself. For some people this may help ease pain and stiffness and make movement more comfortable.
Exercise, weight management where relevant, and education are the core treatments for knee osteoarthritis. A 2026 narrative review of management describes a continuum that begins with weight management, exercise and medicines for symptoms, with injections and surgery considered later. Hands-on treatment may be used as an adjunct to ease pain and stiffness, but it is not a substitute for exercise.
Results vary from person to person, some people feel a little sore for a day or two afterwards, and osteopathic care is not right for everyone. It sits alongside, not instead of, medical care, and staying active and doing your exercises remain central.
If you would like your symptoms assessed, you are welcome to book an appointment. Osteopathic care is not right for everyone, and if something needs medical attention first, I will tell you.
Common questions
Is exercise bad for arthritic knees?
No. Regular movement and strengthening exercise are some of the most useful things for knee osteoarthritis. Build up gradually and choose activities that suit you, such as walking, cycling or swimming.
Does a scan showing arthritis mean I need a knee replacement?
No. Scan changes are common and do not always match symptoms. Replacement is usually considered only when pain and loss of function are significant and other treatments have not helped enough. That is a decision to make with your GP and an orthopaedic specialist.
What is the best treatment for arthritis in the knee?
A 2026 review describes exercise, weight management where relevant and symptom-relieving medicines as the foundation, with injections and surgery considered when these are not enough.
Free 5-minute exercise sheet
A simple, printable sheet of gentle exercises and stretches, about five minutes a day, based on NHS physiotherapy leaflets. It is general information, not a personal treatment plan, and it is not suitable if you have any of the urgent signs listed above.
Sources and further reading
Links open in a new tab. Sources were checked in October 2026.
- NHS: Osteoarthritis
- NHS: Knee pain
- Kulpinski et al., Frontiers in Surgery 2026: Knee osteoarthritis management across the joint-preservation continuum
Related guides
This page is general information to help you understand common aches and pains. It is not medical advice and cannot diagnose your problem. If you are worried about your symptoms, please speak to your GP or call NHS 111.