Lasix 40mg is a loop diuretic, also called a water pill. It prevents the body from absorbing too much salt and lets the excess salt be removed from the body in the form of urine. The removal of excess fluid from the body decreases the swelling in the extremities and abdomen. It also relieves symptoms of shortness of breath. By lowering high blood pressure, it helps in the prevention of heart attacks, strokes, and kidney problems. An off-label use is in the treatment of hypercalcemia or excess calcium in the blood.
Dosage and Administration
Lasix 40mg is to be taken by mouth under the direction of a medical doctor. It can be taken with or without food once or twice daily. It should be avoided within 4 hours of going to bed, so that it does not interrupt your sleep. Dosages are based on your age, medical status, and your response to treatment. Therefore dosages should not be adjusted unless recommended by your doctor. It should be taken regularly preferably at the same time every day.
The most common side effects associated with Lasix 40mg are:
- Hearing loss and ringing in the ears
- Dark urine, itching, loss of appetite, jaundice
- Severe skin reaction
- Changes in body weight, low potassium, and low calcium.
Less common side effects you may experience include:
- Constipation, stomach pain or diarrhea
- Rash or mild itching
- Dizziness or spinning sensation
Lasix 40mg is potent and if taken in excess could lead to depletion of electrolytes and water. When taken to treat hypertension, it should be taken even if you feel well as hypertension usually has no symptoms. It should not be taken if you are not able to urinate.
Before taking Lasix 40mg, you should advise your doctor if you have:
- Kidney disease
- Cirrhosis or liver disease
- Enlargement of prostate or other bladder problems
Drug Interactions with Lasix 40mg:
- Sucralfate, colestipol, and cholestyramine, can reduce the absorption of furosemide. If you are taking any of these drugs, separate the timing of each dose from furosemide by at least 2 hours.
Other drugs like cisplatin, lithium, cyclosporine and others may also react with furosemide.