Lasix 40 mg is a prescription medication that contains Furosemide, a loop diuretic (commonly called a “water pill”). It is used to treat fluid retention (edema) and high blood pressure (hypertension) by helping the body eliminate excess salt and water through urine. Edema associated with: Congestive heart failure (CHF) Liver cirrhosis Renal disease (including nephrotic syndrome) Hypertension (High Blood Pressure) Pulmonary edema and acute fluid overload Hypercalcemia (high calcium levels) — adjunctive treatment Rapid and effective removal of excess fluid from the body Reduces swelling in the legs, ankles, and lungs Lowers blood pressure and reduces the risk of cardiovascular complications Provides relief from symptoms like breathlessness and bloating caused by fluid buildup Can be used in both acute and chronic fluid management Lasix contains Furosemide, which works on the loop of Henle in the kidneys. It: Blocks sodium and chloride reabsorption Increases urine output (diuresis) Promotes excretion of water, sodium, potassium, calcium, and magnesium Reduces blood volume and venous return, lowering blood pressure and relieving edema Route: Oral Dosage Frequency: Once or twice daily, as prescribed Timing: Best taken in the morning to avoid nighttime urination Food: Can be taken with or without food Hydration: Maintain adequate fluid intake unless advised otherwise Edema (Adults): Initial dose is typically 20–80 mg per day; may be adjust based on response Hypertension: Often 40 mg twice daily in combination with other antihypertensives Maximum Dose: Varies; high doses (up to 600 mg/day) may be used in severe cases under medical supervision Always follow your doctor’s prescribed dose based on your condition. Missed Dose: Take it as soon as you remember. If close to the next dose, skip it—do not double dose. Overdose Symptoms: Severe dehydration Electrolyte imbalance Low blood pressure Confusion, fainting Action: Seek immediate medical attention. Lasix 20 mg Lasix 40 mg Lasix 80 mg Also available in injectable forms for hospital use Common: Frequent urination Dizziness or lightheadedness Low potassium (hypokalemia) Muscle cramps Serious: Hearing loss or ringing in ears (especially with high IV doses) Severe electrolyte imbalance (low sodium, potassium, magnesium) Kidney dysfunction Allergic reactions (rash, itching, swelling) May interact with: NSAIDs (e.g., ibuprofen): May reduce diuretic effect Aminoglycosides: Increased risk of hearing damage Antihypertensives: May enhance blood pressure-lowering effect Lithium: Risk of lithium toxicity Corticosteroids: May worsen potassium loss Monitor electrolytes regularly, especially potassium and sodium Pregnancy & Breastfeeding: Use only if clearly needed Avoid alcohol and excessive sun exposure (photosensitivity risk) Do not use in anuria (inability to produce urine) Store at 15–30°C (59–86°F) Protect from moisture and light Keep out of reach of children United States: Widely available as Lasix (brand) and Furosemide (generic) Australia: Available under brand and generic names. Prescription required. Usually within 1 hour of oral administration; peak effect in 1–2 hours. Yes, if prescribe for chronic conditions like heart failure or hypertension. Your doctor will monitor fluid and electrolyte levels. Eat potassium-rich foods like bananas, spinach, oranges—unless otherwise advised. Yes. Monitor for symptoms like dry mouth, fatigue, and reduced urination.
What is Lasix 40 mg?
Uses of Lasix 40 mg
Benefits of Lasix 40 mg
How Does Lasix 40 mg Work?
How to Take Lasix 40 mg
Dosage of Lasix 40 mg
Missed Dose and Overdose
Available Strengths of Lasix
Side Effects of Lasix 40 mg
Drug Interactions
Precautions
Storage Information
Availability in the US and Australia
Frequently Asked Questions
Q: How soon does Lasix 40 mg start working?
Q: Can I take Lasix daily?
Q: What foods should I eat while on Lasix?
Q: Can Lasix cause dehydration?
lasix 40 mg (Furosemide)
$15.00 – $51.00
lasix 40 mg (Furosemide) |
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Pack Size | Price: | Price/unit | Quantity | Add To Cart |
Equivalent Brand | Lasix |
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Generic Name | Furosemide |
Indication | Oedema, High blood pressure |
Strength | 40mg |
Manufacturer | Sanofi India Ltd |
Packaging | 15 tablets in 1 strip |
Pharmaceutical Form | Tablets |
Shipping
Once your order is in processing it will likely be shipped that day. A shipping confirmation will be emailed to you accompanied with a track and trace number if applicable. The email will outline typical shipping times and how to contact us if you have any questions. We can ship to your home address or your work if you prefer. The shipping charge is flat $30.
Delivery
In most cases, once we received your payment, we promptly ship your order within 24-48 hours of you placing it. The delivery times entirely depend on the postal or shipping agencies. however, please allow up to 10 To 15 days for your order to arrive. You will be contacted if the order is likely to take any longer. To ensure the quickest confirmed delivery of orders, please make sure to include the COMPLETE postal address with the correct PIN/ZIP CODE. We will not be responsible for any postal delays resulting from incomplete address listings.
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