I have a problem with diabetic water retention in legs causing blisters. i take 160 mg lassic's per day, and 20 meq potassium. what do i have to do?

Depends on cause: Need to determine if lymphedema or edema. Lymphedema does not respond well to diuretics, whereas edema does. If not lymphedema, make sure you do not have blood clots in legs causing this edema. If not, remember that Lasix (furosemide) works best when given more than once a day. May benefit from adding diuretics (spironolactone, metolazone), decreasing salt intake, stopping nsaid's & calcium channel blocker.

Edema: You seem to have some real problems with either your cardiac or kidney function. See a cardiologist and get an echocardiogram to see if you have a low ejection fraction and evidence of renal disease. You may also need to have your leg veins visualized by a venous doppler study to see if you have varicose veins causing your edema. Another cause of edema is too much water and/ sodium intake.