How can I keep from retaining water since I have developed an allergy to diuretics?

jannie w asked:I havehada total-body rash forsix weeks now andthedoctor isconvinced I havedeveloped anallergy todiuretics. I havebeenoffofthemforthree weeks andhavegained about18 lbs influid weight. Thedoctor hadmetry a different diuretic thismorning,but[...]