Unexplained Weight Gain

It is still possible that there is a kidney problem. Some kidney diseases cause leg swelling (edema) without any change in urine production.

Another reason for swelling in the body, especially of the feet and ankles, is diminished ability for the heart to pump blood forward. Instead, fluid can back up into the lungs and other body parts.

Have you been feeling short of breath when you exert yourself or lie flat?

Yes, I have noticed shortness of breath.

No, I am not short of breath.