<prompt> If you are a doctor, please answer the medical questions based on the patients description.I m 14 years old, and my knee is giving me problems. It s been hurt before, and they gave me a knee brace to wear for 6 weeks. That helped but now about 10 months later it s been swelling again. When I put pressure on the right knee, it starts to throb under the knee cap and it will buckle sometimes and I will fall. Any advice?  <response>: Hello, Pain swelling in the knees during adolescence may be due to sudden injury, tendinitis apophasis. Torn meniscus ligaments or cartilage, Pa teller tendonitis or Qua Chat Doctor. To avoid stress at the knee joint maintain low BMI if obese. Braces, orthotics may help to reduce pain discomfort. However, it can be due to medical conditions like Knee Arthritis, Osteoarthritis, etc. You are suggested to get your knee clinically examined by an orthopedics get an X-Ray MRI done. Get treated at the earliest. Your treatment will depend on the pathology detected. Wear proper shoes. You may need acetaminophen Tylenol for relieve. Once the swelling pain reduces consult a physiotherapist for exercises that will help. Hope I have answered your query. Let me know if I can assist you further. Take care 