Swelling in the knee can make everyday activities uncomfortable and limit your ability to stay active. Whether your knee feels stiff after exercise, becomes swollen following an injury, or develops persistent fluid buildup without a clear cause, it is important to determine what is contributing to your symptoms. If you are searching for the Best Knee Surgeons in Colorado, Dr. Alex Nielsen at Nadora Healthcare may be able to help.
Dr. Alex Nielsen is a fellowship-trained Total Joint Reconstruction surgeon who specializes in diagnosing and treating a wide range of hip and knee conditions. His patient-centered approach focuses on identifying the underlying cause of knee pain and swelling before recommending a personalized treatment plan designed to relieve discomfort, restore mobility, and improve quality of life.
What Causes Fluid in the Knee?
Fluid in the knee, often called a “water on the knee” or knee effusion, occurs when excess fluid accumulates within or around the knee joint. While the knee naturally contains a small amount of lubricating fluid, inflammation, injury, or certain medical conditions can cause the body to produce excess fluid.
Common causes of knee effusion include:
- Osteoarthritis
- Rheumatoid arthritis
- Meniscus tears
- Ligament injuries
- Cartilage damage
- Fractures
- Overuse injuries
- Infection
- Gout or pseudogout
Symptoms of fluid in the knee may include:
- Noticeable swelling
- Knee stiffness
- Pain during movement
- Difficulty bending or straightening the knee
- Warmth around the joint
- Reduced ability to bear weight
Because fluid in the knee is often a symptom rather than a diagnosis, an evaluation by one of the Best Knee Surgeons in Colorado is essential to identify the underlying problem.
Why Choose Dr. Alex Nielsen?
Dr. Alex Nielsen is a fellowship-trained Total Joint Reconstruction surgeon at Nadora Healthcare with advanced expertise in evaluating both acute and chronic knee conditions. He understands that successful treatment begins with an accurate diagnosis and develops individualized care plans tailored to each patient’s needs and goals.
During your appointment, Dr. Nielsen will review your medical history, discuss your symptoms, perform a comprehensive physical examination, and may recommend diagnostic imaging such as X-rays or an MRI. In some cases, aspiration of the knee joint may be performed to remove fluid for laboratory analysis, helping determine whether the swelling is caused by arthritis, infection, inflammation, or another condition.
Patients searching for the Best Knee Surgeons in Colorado appreciate Dr. Nielsen’s commitment to education and personalized care. He believes patients should fully understand their diagnosis and available treatment options before making decisions about their care.
Treatment Options for Knee Swelling
Treatment depends on the underlying cause of the fluid buildup. Many patients improve with conservative treatment, which may include:
- Activity modification
- Physical therapy
- Anti-inflammatory medications
- Ice and elevation
- Knee aspiration when appropriate
- Corticosteroid injections
- Weight management strategies
These treatments often help reduce inflammation while addressing the condition responsible for the swelling.
If imaging reveals structural damage such as a torn meniscus, advanced arthritis, or ligament injury, additional treatment may be recommended. Depending on the diagnosis, surgical options may include arthroscopic procedures to repair damaged tissue or, for patients with advanced joint disease, partial or total knee replacement.
Dr. Nielsen carefully evaluates every patient before recommending surgery and discusses the expected benefits, potential risks, recovery process, and rehabilitation plan. His goal is to recommend the treatment that offers the greatest opportunity for lasting pain relief and improved knee function.
When to See a Knee Specialist
Occasional swelling after strenuous activity may improve with rest, but persistent or recurrent knee swelling should not be ignored. If your knee continues to fill with fluid, becomes increasingly painful, or limits your ability to walk or perform daily activities, it is important to seek medical evaluation.
Prompt assessment is especially important if knee swelling is accompanied by fever, significant redness, inability to bear weight, or follows a traumatic injury, as these symptoms may require urgent medical attention.
If you are experiencing fluid in your knee, Dr. Alex Nielsen at Nadora Healthcare may be able to help. As a fellowship-trained Total Joint Reconstruction surgeon, he provides comprehensive evaluations and individualized treatment plans for patients with knee pain, swelling, arthritis, and sports-related injuries. If you’re searching for the Best Knee Surgeons in Colorado, Dr. Nielsen and the team at Nadora Healthcare are committed to helping you identify the cause of your symptoms, relieve pain, and get back to the activities you enjoy.

