Lasix is water pill (loop diuretic). It is needed for people with health problems such as high blood pressure or water retention, heart failure, kidney disease or liver disease. Furosemide are useful for treating some problems such as edema, swelling, water retention. Lasix prevents the organism from gathering a lot of salt. It helps overage of salt to leave the organism with urine. Lasix may also be useful for other health problems, which are not described here. You may use this medicine alone or in complex with others drugs. If you have an allergy to Lasix or to some components it consists of don't use it. Don't use it also in the case of you have problems with urination. You need to avoid getting dehydrated. You should to consultant with your doctor about amount of liquids you need to drink during the period of your using of this drug. If you are going to be pregnant or already pregnant you should talk about using of Lasix with your doctor. You should also ask your doctor if this medicine could be compound with other drugs you are taking. You should have consultancy with your doctor before using Lasix to prevent nagative effects.