But it the liver has to do some of the kidney's work, it can't operate at full throttle. As a result, it metabolizes less fat, more fat remains stored in the body and weight loss stops. Drinking enough water is the best treatment for fluid retention. When the body gets less water, it perceives this as a threat to survival and begins to hold on to every drop. This shows up as swollen feet, legs and hands.
Diuretics offer a temporary solution at best.
They force out stored water along with some essential nutrients. Again, the body perceives a threat and will replace the lost water at the first opportunity. Thus, the condition quickly returns. Only then will stored water be released. If you have a constant problem with water retention, excess salt may be to blame.