How does this medication work?
Lasix (furosemide) belongs to the class of medications called diuretics. It is used to treat edema (fluid retention) that occurs with congestive heart failure and disorders of the liver, kidney, and lung. It is also used to control mild to moderate high blood pressure. It may be used in combination with other medications to treat more severe high blood pressure.

What is the dosage and how should it be used?
Lasix (furosemide) comes as a tablet and liquid to be taken orally. It is usually taken once a day in the morning or twice a day in the morning and afternoon.
It is important to follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand. It is strongly advised not to take more or less of it or take it more often than prescribed by your doctor.

Who should not take this medication?
Caution should be exercised in patients with history of diabetes, gout, kidney or liver disease, during pregnancy and breastfeeding.
Avoid exposure to sunlight.

What are its side effects?
People taking Lasix (furosemide) medication should observe for possible side effects that include dehydration, low blood pressure, and electrolyte problems. Other possible (less common) side effects include sensitivity to light, yellowish skin, ringing in the ears, rash, abdominal pain, dizziness, rash, and pancreatitis. If you develop any of these symptoms or if your symptoms persist, contact your doctor right away.
Lasix medication may not be suitable for everyone. Report to your doctor if you have allergy to furosemide or sulfa drugs. Never share your prescription to other persons. It is important that your doctor knows your complete medical history before prescribing this medication.