my mom recently underwent an angioplasty and she is diabetic. the doctor has prescribed the following medicines amifru, tazloc 40, lanoxin,ecosprin 325,clopilet 75 prolomet xl 25,aztor 40, mixtard with 14 units in the mornin n 8 units in the evening and full 365 wgich is a multi vitamin.... the problem is she also has dry cough due to increase in levels of water in her body, n shes not able to sleep properly in the night, are there any better ways of water retention in the body?