LASIPEN 20MG INJECTION

Lasipen 20mg Injection belongs to a group of medicines called diuretics. It is used for the emergency treatment of very high blood pressure (hypertensive emergency), as it reduces the blood pressure immediately. It also rapidly reduces the swelling (edema) caused by too much water in the body. Lasipen 20mg Injection helps your body get rid of extra water and salt through urine. It is commonly used to treat people with excess fluid build-up due to heart failure, liver or kidney disease. It is injected into a vein under the supervision of a doctor. Your doctor may monitor your blood pressure after giving this medicine.Common side effects of this medicine include dizziness, weakness, dehydration, decreased potassium level in blood, increased blood uric acid, decreased magnesium level in blood, and increased thirst. These are usually mild and disappear after a short time.

Commonly bought for:

SALT CATEGORY: GENERAL

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medical_informationMedicine & Clinical Information

check_circleUses & Indications

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Hypertension (high blood pressure)
Treatment of Hypertensive emergency
Heart Failure
Treatment of Edema
High blood calcium level

lightbulbExpert Advice & Quick Tips

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arrow_rightLasipen 20mg Injection is given as an injection into the vein under the supervision of a doctor.
arrow_rightMonitor your blood pressure after starting Lasipen 20mg Injection, and notify your doctor if it does not lower down.
arrow_rightConsult your doctor if you experience dizziness, tiredness, or muscle weakness that does not go away.
arrow_rightTake potassium supplements or potassium-rich diet (banana, spinach, coconut water, etc.) as Lasipen 20mg Injection can decrease your potassium levels and lead to dehydration.
arrow_rightYou may be asked to get regular blood tests done to monitor your kidney function.

scienceMechanism of Action (How it works)

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Lasipen 20mg Injection is a type of medicine called a diuretic, or water pill, that helps the body get rid of excess fluid. It works by acting on the kidneys to increase the removal of salt and water through urine. This helps reduce swelling, ease pressure on the heart, and lower blood pressure in certain conditions.

infoDirections for Use (How to Use)

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Your doctor or nurse will give you this medicine. Kindly do not self administer.

historyMissed Dose Instructions

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If you miss a dose of Lasipen 20mg Injection, consult your doctor.

warningSide Effects

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Dizziness
Weakness
Dehydration
Increased thirst

medicationDosage & Packaging Details

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Dosage Form

Injection

Manufacturer

Lasipen

Administration

Injection Route

Prescription

prescription

action class: Loop Diureticshabit forming: Notherapeutic class: CARDIAC

helpFrequently Asked Questions

How is Lasipen 20mg Injection different from Torasemide?

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Both Lasipen 20mg Injection and Torasemide are loop diuretics. They are used to treat high blood pressure and edema caused by an underlying liver, kidney or lung diseases. Unlike Torasemide, Lasipen 20mg Injection is also used in the treatment of hypercalcemia (high calcium levels in the blood). Torasemide has a longer duration of action and is safer to use in patients with renal failure, as compared to Lasipen 20mg Injection.

Should you drink a lot of water when taking Lasipen 20mg Injection?

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It is advised to take an adequate amount of water if you are taking Lasipen 20mg Injection. This is because Lasipen 20mg Injection works by eliminating the extra fluid and electrolytes from your body by increasing the urine production. This elimination of fluids may increase the chances of dehydration if you sweat a lot, exercise vigorously or if the climate is hot. However, if you have kidney or heart problems, you must consult your doctor who will suggest the amount of water that you should be taking. Consult your doctor for any further query or concern.

What is Lasipen 20mg Injection used for?

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Lasipen 20mg Injection is used in emergency conditions to lower very high blood pressure (hypertensive crisis). It effectively lowers and normalizes blood pressure rapidly, thus preventing heart attack or stroke. It also helps to remove excess fluids and electrolytes from the body and reduces swelling (edema) due to fluid retention.

What are the side effects of Lasipen 20mg Injection?

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The most common side effects of Lasipen 20mg Injection are dizziness, weakness, dehydration, decreased potassium and magnesium levels in blood and increased thirst. You may also notice some injection site reactions such as swelling, pain and redness. However, these are temporary and usually resolve on their own. Consult your doctor if the symptoms persist for long or worry you.

How long does a Lasipen 20mg Injection last?

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A. Lasipen 20mg Injection starts acting as early as five minutes and its effect lasts for about two hours. Lasipen 20mg Injection may cause depletion of sodium, chloride, water and other minerals from the body. Therefore, close monitoring is required if a person is being treated with Lasipen 20mg Injection.

Editorial & Medical Review

The information on this page has been compiled and reviewed by healthcare professionals and data editors to ensure accuracy. It is for informational and price-comparison purposes only and should not replace professional medical advice.

Written By

MediSaathi Editorial Team

Last Updated

July 28, 2026

Regularly reviewed

Data Sources & Citations

Central Drugs Standard Control Organisation (CDSCO) — Government of IndiaView Source
National Pharmaceutical Pricing Authority (NPPA) — Government of IndiaView Source
Jan Aushadhi Scheme — Pradhan Mantri Bhartiya Janaushadhi Pariyojana — Government of IndiaView Source

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Price Summary for LASIPEN 20MG INJECTION

LASIPEN 20MG INJECTION

7 pharmacies checked

vaccinesMost Viewed Alternatives

Doctor Consultation Required

medical_informationMedicine & Clinical Information

helpFrequently Asked Questions

Editorial & Medical Review

Data Sources & Citations