Hello, The symptoms you had mentioned may be seen in the following conditions like gout, osteoarthritis, rheumatoid arthritis, exercise intolerance and swelling of legs is also seen in heart failure, reactive arthritis that occurs following any infections like respiratory or urinary tract, and swelling of legs and pain can also be seen in varicose veins of severe degree. Therefore, in order to evaluate the specific reason behind your symptoms and initiate appropriate treatment, the following investigations may be necessary. Thorough clinical examination, RA factor, serum uric acid, serum creatinine, and X-ray of the affected joint. My sincere advice to you is to do meet your general physician for a specific diagnosis and appropriate treatment. Take care. Hope I have answered your question. Let me know if I can assist you further. Regards, Dr. Pallavi M., Anesthesiologist