Prescription requiredCardiac / Antihypertensive

Lasix 40 Tablet — Uses, Dosage & Benefits

Lasix 40 Tablet is used for Lasix 40 mg Tablet is used in the treatment of oedema and high blood pressure. It treats oedema (fluid overload) associated with heart, liver, kidney or lung disease..

Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated August 2026

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Active Ingredient / Composition

Frusemide (40mg)

What is Lasix 40 Tablet used for?

Lasix 40 mg Tablet is used in the treatment of oedema and high blood pressure. It treats oedema (fluid overload) associated with heart
liver
kidney or lung disease.

How Lasix 40 Tablet Works

Lasix 40 mg Tablet is a diuretic. It removes extra water and certain electrolytes from the body by increasing the amount of urine produced. In doing so, it causes potassium loss.

Dosage & Directions

Take this medicine in the dose and duration as advised by your doctor. Swallow it as a whole. Do not chew, crush or break it. Lasix 40 mg Tablet may be taken with or without food, but it is better to take it at a fixed time.

Always follow your doctor's prescription. Do not self-medicate.

Pregnancy

Lasix 40 mg Tablet may be unsafe to use during pregnancy.<br/>Animal studies have shown adverse effects on the foetus, however, there are limited human studies. The benefits from use in pregnant women may be acceptable despite the risk. Please consult your doctor.

Alcohol Interaction

Taking Furosemide with alcohol may have additive effects in lowering your blood pressure. You may experience headache, dizziness, lightheadedness, fainting, and/or changes in pulse or heart rate.

Lasix 40 Tablet — Quick Facts

Composition: Frusemide (40mg)
Therapeutic class: Cardiac / Antihypertensive
Prescription: Required (Rx)
Price: ₹14

Lasix 40 Tablet — Usage FAQs

How should I take this medicine?

Follow the dosage prescribed by your doctor. Do not alter the dose without medical advice.

Can I take this medicine without a prescription?

Prescription-required medicines need a valid Rx. OTC medicines can be purchased directly.

What if I miss a dose?

Take the missed dose as soon as you remember, unless it is close to your next scheduled dose. Do not double the dose.

How long does it take to show effect?

The time to show effect varies by medicine and condition. Consult your doctor for specific timelines.

Lasix 40 Tablet — Uses, Dosage & Benefits

Active Ingredient / Composition

What is Lasix 40 Tablet used for?

How Lasix 40 Tablet Works

Dosage & Directions

Pregnancy

Alcohol Interaction

Lasix 40 Tablet — Quick Facts

Lasix 40 Tablet — Usage FAQs

More from PingMeDoc™

Safety disclaimer

Lasix 40 Tablet — Uses, Dosage & Benefits

Active Ingredient / Composition

What is Lasix 40 Tablet used for?

How Lasix 40 Tablet Works

Dosage & Directions

Pregnancy

Alcohol Interaction

Lasix 40 Tablet — Quick Facts

Lasix 40 Tablet — Usage FAQs

More from PingMeDoc™

Safety disclaimer