There are several types of water retention, and the causes are also quite varied. Managing this problem requires an understanding of what is causing it, which is why it is advisable that you should consult a doctor.
However, one common cause of water retention is an excess of salt in the diet. If you think this could be the case, you should try reducing the amount of salt you consume. As far as cooking goes, you can make a marginal reduction in the amount of salt you use in the food, but you should try to cut down in other areas, for example pickles. In addition, you should drink more water - this might seem like a counter productive approach, but drinking water helps your body flush the excess of salt, ultimately resulting in less fluid retention. As far as your diet goes, you should also see that you are getting the right amount of vitamins, particularly vitamin B.
If the swelling due to water retention is primarily in your legs, you should avoid standing for long periods of time. Whenever you can, you should also elevate your legs so as to improve circulation. If these measures do not work, you should consult your doctor, as water retention can sometimes be a sign of a serious problem.
answered by G M