Hydrochlorothiazide 25 MG Tablet is also used to treat fluid retention in persons who have congestive heart failure, liver cirrhosis, or kidney problems, as well as edoema produced by steroids or oestrogen. This prevents your body from absorbing too much salt, causing fluid retention. This is very effective and safe to use. It is easy to use and simple to handle. High blood pressure is treated with hydrochlorothiazide alone or in combination with other medications.