Extra collection of water in our body is known as water retention. It causes bloating and a sluggish feeling. Extra fluid in body causes swelling in limbs and abdomen. The main cause of this problem is failure of our body to remove extra water. Eating salty food often causes this problem. Premenstrual syndrome and some medicines can also cause water retention. This problem can be solved by eating diuretic foods. Some vitamins like B1, B5, B6 and D help in curing water retention. Take these vitamins through food or as supplements. Avoid salty foods. Following are some useful tips on how to get rid of water retention.