Furosemide (Lasix) is an inexpensive drug used to treat high blood pressure and edema or swelling from heart, kidney, or liver disease. It is more popular than comparable drugs. It is available in generic and brand versions. Generic furosemide is covered by most Medicare and insurance plans, but some pharmacy coupons or cash prices may be lower. 

Take this medicine by mouth with a glass of water. Follow the directions on the prescription label. You may take this medicine with or without food. If it upsets your stomach, take it with food or milk. Do not take your medicine more often than directed. Remember that you will need to pass more urine after taking this medicine. Do not take your medicine at a time of day that will cause you problems. Do not take at bedtime.

Talk to your pediatrician regarding the use of this medicine in children. While this drug may be prescribed for selected conditions, precautions do apply.

Side effects that you should report to your doctor or health care professional as soon as possible:

blood in urine or stools
dry mouth
fever or chills
hearing loss or ringing in the ears
irregular heartbeat
muscle pain or weakness, cramps
skin rash
stomach upset, pain, or nausea
tingling or numbness in the hands or feet
unusually weak or tired
vomiting or diarrhea
yellowing of the eyes or skin
Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):

headache
loss of appetite
unusual bleeding or bruising

FUROSEMIDE