Lasix (furosemide) is a water pill (also called loop diuretic) that prevents the absorption of excessive amounts of salt by your body therefore treating fluid retention. It can be prescribed for patients diagnosed with heart failure, liver problems and some other conditions. Lasix is also sometimes prescribed to treat and control high blood pressure. If you are taking Lasix for this condition, make sure you always remember about your dose, even if your symptoms improve High blood pressure can occur without any symptoms leading to other serious diseases, so if you are taking Lasix to control it, the chances are - you will need to take it for the rest of your life. The following health conditions need to be reported to your health care provider before you start taking Lasix for whichever condition you have: allergy to sulfa drugs, liver disease, lupus, kidney disease, diabetes, and gout. There may be some other conditions that you think may be of importance - your doctor needs to be informed of those as well. Lasix is not supposed to be combined with any other over-the-counter or prescription medicines without your doctor's consent. Your doctor needs to be aware of the fact you are currently taking any of the following medicines or intend to take them in the nearest future: diet pills, blood pressure medications, digoxin, ethacrynic acid, cold medicine, gentamicin, indomethacin, salicylates, netilmicin, streptomycin, steroids, and lithium. If you take sucralfate, you will need to take it at least 2 hours before or after you take Lasix. Make sure you always take the exact dose prescribed and never use more of Lasix, even if you are trying to make up for the dose you missed. Taking more of Lasix is not going to help you benefit from the treatment more and can cause overdose symptoms, such as confusion, dizziness, ringing in your ears, weakness, loss of appetite, lightheadedness, and fainting. These symptoms will need to be reported directly to your health care provider to prevent them from getting worse. Lasix is supposed to be stored in some cool dark place where it will not be accessed by other people, especially children. This medicine is FDA pregnancy category C. This category is used for medicines that can affect the health of an unborn baby and can also pass into breast milk, although full effects have not been properly studied yet. Make sure you always talk to your doctor before taking Lasix if you are pregnant or breastfeeding.