Description
Drug: Furosemide 40mg | Class: Loop Diuretic — Standard Oral Dose | Brand: Lasix 40mg (Sanofi); Lasix 40 (Sanofi India) | Indication: Heart failure oedema, hypertension, renal oedema — most common oral furosemide dose | Dose: 40mg once daily in morning
Quick Answer — What is Furosemide used for?
Furosemide 40mg is a loop diuretic — standard oral dose used for heart failure oedema, hypertension, renal oedema — most common oral furosemide dose. Take furosemide in the morning to prevent disruptive overnight urination. Electrolyte monitoring (potassium) is essential — furosemide causes potassium loss.
Furosemide 40mg – Loop Diuretic — Standard Oral Dose
Furosemide 40mg contains Furosemide 40mg, a loop diuretic — standard oral dose for heart failure oedema, hypertension, renal oedema — most common oral furosemide dose. Standard starting dose for most oedema conditions; WHO Essential Medicine.
Product Information
| Attribute | Details |
|---|---|
| Generic Name | Furosemide 40mg |
| Drug Class | Loop Diuretic — Standard Oral Dose |
| Brand Reference | Lasix 40mg (Sanofi); Lasix 40 (Sanofi India) |
| Indication | Heart failure oedema, hypertension, renal oedema — most common oral furosemide dose |
| Standard Dose | 40mg once daily in morning. For moderate oedema. If insufficient: increase to 80mg. Maximum 600mg/day |
| Form | Tablet |
| Route | Oral |
| Prescription | Yes |
| Evidence | Standard starting dose for most oedema conditions; WHO Essential Medicine |
How It Works
Inhibits Na-K-2Cl cotransporter in thick ascending limb of loop of Henle.
People Also Ask
What electrolytes does Furosemide affect?
Furosemide and loop diuretics cause potassium, magnesium, and sodium loss — hypokalaemia (low potassium) is the most clinically important. Potassium supplementation or a potassium-sparing diuretic (spironolactone, amiloride) is often co-prescribed.
When should Furosemide be taken?
Most diuretics are taken in the morning to avoid nocturia (night-time urination) disrupting sleep. If a second dose is needed, take it no later than midday.
Can Furosemide be used in kidney disease?
Furosemide remains effective at low GFR — unlike thiazides. It may require higher doses in chronic kidney disease.
Does Furosemide cause dehydration?
All diuretics increase urine output and can cause dehydration if fluid intake does not compensate. Symptoms: excessive thirst, dizziness, low blood pressure, concentrated dark urine. Maintain adequate fluid intake and contact your physician if these symptoms occur.
Is Furosemide a blood pressure medication?
All diuretics reduce blood pressure as a secondary effect of volume reduction. Chlorthalidone and hydrochlorothiazide are specifically used as antihypertensives. Furosemide is primarily used for oedema — it is less preferred for hypertension due to short duration of action.
Storage
Store at 15–30°C away from sunlight and moisture. Keep out of reach of children.
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