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Medical Editor: Charles Patrick Davis, MD, PhD
Lasix (furosemide) is an anthranilic acid derivative that is used as a strong diuretic. The drug is available as a generic. Lasix can be given orally and by IV. Lasix is used in adults and children to treat excessive fluid accumulation (edema) caused by congestive heart failure, liver failure, renal failure, and nephritic syndrome. Some clinicians use Lasix with antihypertensive drugs to control hypertension. Side effects include increased urination, thirst, muscle cramps, weakness and constipation. Serious side effects include dehydration, fever, electrolyte abnormalities and rapid weight loss.
Lasix is available in tablet (20 to 80 mg) and IV forms. Dosage is determined by the patient's physician and varies according to how much fluid and how fast the fluid should be removed. Patients with poor renal function usually require higher doses; doses in children are weight-based. Patients taking antihypertensive medications should inform their doctors if they start Lasix because the drug may lower blood pressure substantially in some patients. Lactating females should not take Lasix; pregnant females must consult their doctors about its use.
Our Lasix Drug Center provides a comprehensive view of available drug information as well as related drugs, user reviews, supplements, and diseases, and conditions.
What is Prescribing information?
The FDA package insert formatted in easy-to-find categories for health professionals and clinicians.
LASIX is indicated in adults and pediatric patients for the treatment of edema associated with congestive heart failure, cirrhosis of the liver, and renal disease, including the nephrotic syndrome. LASIX is particularly useful when an agent with greater diuretic potential is desired.
Oral LASIX may be used in adults for the treatment of hypertension alone or in combination with other antihypertensive agents. Hypertensive patients who cannot be adequately controlled with thiazides will probably also not be adequately controlled with LASI...
Read the complete drug monograph for Lasix »
Drug Description - Indications & Dosage - Side Effects & Drug Interactions - Warnings & Precautions - Contraindications - Medication Guide and More
What is Patient information?
Easy-to-read and understand detailed drug information and pill images for the patient or caregiver from Cerner Multum.
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Stop using furosemide and call your doctor at once if you have any of these serious side effects:
Read the complete patient information for Lasix »
Possible Side Effects - Images - What Is - How Should I Take It - What If I Miss a Dose - What Should I Avoid and More
What is Consumer information?
A concise overview of the drug for the patient or caregiver from First DataBank.
This drug is also used to treat high blood pressure. Lowering high blood pressure helps prevent strokes, heart attacks, and kidney problems.
Furosemide is a "water pill" (diuretic) that causes you to make more urine. This helps your body get rid of extra water and salt.
OTHER USES: This section contains uses ...
Read the complete consumer information for Lasix »
Warnings - Uses - How to Use - Side Effects - Precautions - Drug Interactions and More
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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