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Lasix Inj 4ml

4ml Injection in Ampoule

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Frusemide / Furosemide(10.0 Mg)
Therapeutic classification

Medical Description

Lasix injection is a diuretic medicine. It is used to remove excess water or fluid from the body due to various medical conditions such as heart failure, pulmonary oedema (excess fluid in the lungs), ...
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    Side effects
    Precautions and Warnings
    Mode of Action
    Directions for Use
    Storage and disposal
    Other Products
    Quick Summary

Uses of Lasix Inj 4ml

Lasix injection is used to remove excess of fluid from body due to heart failure, lung disease, liver disease or kidney disease.

Contraindications of Lasix Inj 4ml

  • If you are allergic to this medicine or any of the other ingredients of the Lasix injection.
  • If you have an underlying medical condition.
  • If you are allergic to sulfonamide medicine.
  • If you have low blood volume and dehydration.
  • If your doctor tells you that you have low sodium and low potassium level in blood.
  • If the patient has a coma or is in the initial stage of coma.
  • If you have kidney failure due to some medicines.
  • If you are a lactating woman.
  • If you have a rare hereditary blood disorder called porphyria.

Side effects of Lasix Inj 4ml

  • Dizziness
  • Headache
  • Blurring of vision
  • Lightheadedness
  • Dehydration
  • Electrolyte imbalance
  • Fast/irregular heartbeat

Precautions and Warnings of Lasix Inj 4ml



Can I take Lasix injection during pregnancy?
It is not recommended to be used during pregnancy and should not be given during pregnancy unless there are compelling medical reasons.

Breast Feeding

Can I take Lasix injection while breastfeeding?
This injection should not be taken by a pregnant woman as it passes into breast milk and may inhibit lactation.


Can I drive if I have consumed Lasix injection?
Lasix injection may make you dizzy and feel sleepy, which can influence your ability to drive. Hence caution is advised while driving.


Can I consume alcohol with Lasix injection?
It is advised not to consume alcohol during the treatment with Lasix injection, as it may lower your blood pressure and may lead to side effects like dizziness or drowsiness.

Other General Warnings

Talk to your doctor if
  • You have an pre-existing medical condition such as, liver or kidney disease, low blood pressure, diabetes or gout, etc.
  • You are already on certain medications like painkillers, other anti-hypertensive medicines etc.
  • You have dizziness, fainting or loss of consciousness.
  • You have difficulty in urination.
  • You have low protein level in the blood, high blood calcium level. You may be asked to check the electrolyte levels before and after initiation of treatment.

Mode of Action of Lasix Inj 4ml

How Does It Work?

It works by decreasing sodium, chloride and water absorption from the kidney, causing its excretion through urine. Thus, it reduces body swelling by secreting extra salt and water through urine, causi...
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Directions for Use of Lasix Inj 4ml

  • Lasix injection will be given to you by a doctor or nurse in a clinical set up.
  • Follow any aftercare instructions given by your doctor or nurse.

Interactions of Lasix Inj 4ml

Interactions with other medicines

  • Some medicines can affect the way the Lasix injection works or this medicine itself can reduce the effectiveness of other medicines taken at the same time. Tell your doctor about all the medicines, su...
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  • Especially, if you are taking medicines to treat high blood pressure, heart failure, blood-thinners, anti-infectives, anti-diabetics, anti-asthmatics, pain killers, immunosuppressants like ciclosporin...
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  • Other medicines that should be used with caution are anti-epileptic medicines, oral contraceptives, etc.

Storage and disposal of Lasix Inj 4ml

  • Store Lasix injection at a temperature below 25°C in a cool and dry place.
  • Keep it out of the reach of children and pets.

Dosage of Lasix Inj 4ml


You are less likely to receive an overdose of this medicine as it will be given by a doctor or nurse.

Missed a Dose

The chances of missing a dose are less as it will be given to you under medical supervision. Still, if you feel a dose has been missed inform your doctor or nurse.

Content Details


Dr. Arpit Verma

MBBS, MD (Pharmacology)


Dr. Ritu Budania

MBBS, MD (Pharmacology)

Frequently Asked Questions (FAQs)


Q: Does Lasix injection cause weight loss?

A: You may experience changes in weight due to removal of excess of fluid from the body, Lasix injection does not cause fat loss.

Q: How does Lasix injection cause an increase in uric acid level in blood?

A: Lasix injection causes a decrease in uric acid absorption in the kidney, causing an increase in blood uric acid level and may cause gout attacks.

Q: How does Lasix injection cause a decrease in potassium level in blood?

A: Lasix injection causes decreased potassium absorption in the kidney and it is excreted through urine, causing decreased potassium level in the blood. Therefore, patients having low potassium levels in the blood should take potassium-rich food such as banana, sweet potato, spinach.

Q: Why is Lasix injection is given?

A: Lasix injection is given to remove the excess of fluid and salt retained in the body due to various medical conditions.


Quick Summary

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ContainsFrusemide / Furosemide(10.0 Mg)
UsesFluid retention
Side effectsDizziness, headache, blurring of vision, lightheadedness, dehydration
Last Updated on: 13 Sep 2021 | 04:53 PM (IST)
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