<s>[INST] Im 35, 5ft. 3in., 299lbs. My feet and ankles have been swollen for about a month. Now the swelling is running up my legs to my knees. I have been put on lasix which has not worked at all. Thursday i started becoming very dizzy and it has not gone away. I feel very off balance and light headed. Any answers? [/INST] Hello, Such type of swelling can be there due to:-High blood pressure-Hypothyroidism-Liver disorders-Heart failure-Electrolyte imbalanceI shall advise you to consult to your doctor and get your self investigated. Till then do not strain yourself. Keep your lower limb elevated on a chair or pillow. Take care. Hope I have answered your question. Let me know if I can assist you further. Regards, Dr. Mukesh Tiwari, Orthopedic Surgeon </s>