What are the treatment options for Baker's cyst?

A Baker's cyst is a pocket of joint fluid behind the knee. It often reflects irritation inside the knee, such as arthritis, a meniscus problem, or inflammation. The cyst may be monitored when symptoms are mild; treating the source of excess fluid helps reduce pressure and the chance of recurrence.

Physiotherapy can improve knee movement and strength while reducing stress from activities that aggravate symptoms. Joint aspiration removes fluid with a needle and may relieve pressure in selected cases. Your clinician will consider the examination, imaging, bleeding risk, and the cause of the swelling before recommending it.

Temporarily reduce deep squats, kneeling, and other movements that increase pressure behind the knee. Keep the knee moving gently, use comfortable low-impact activity, and follow any advice about pain relief or support. A physiotherapist can progress strengthening for the thigh and hip without repeatedly provoking swelling.

Notice whether the swelling changes with activity, whether the knee locks or gives way, and whether you can fully bend or straighten it. These details help identify the knee problem that needs attention.

Seek urgent assessment for sudden calf swelling or pain, warmth, redness, or shortness of breath, because a ruptured cyst can resemble other urgent conditions. Arrange review for a rapidly enlarging lump, fever, severe knee pain, inability to bear weight, or a knee that locks.

Ask what is causing fluid to build up, whether imaging is needed, and whether physiotherapy or aspiration fits your situation. Ask what symptoms after aspiration should prompt contact and how to reduce the chance of the cyst returning.