Free standard delivery over £50

Unbranded, secure packaging guaranteed

5% off your first order

When you sign up

Registered Veterinary Retailer

Genuine pet medicine

Furosemide (Frusemide) 20mg
From Price range: £0.10 through £50.00 (Incl. VAT)

Furosemide (Frusemide) 20mg

From Price range: £0.10 through £50.00 (Incl. VAT)

Furosemide 20mg Tablets B.P. (Vet) for Dogs & Cats 

Furosemide Tablets 20mg are a loop diuretic used to treat oedema (swelling from fluid buildup) associated with cardiac insufficiency, renal dysfunction, and trauma in cats and dogs. It increases urine output, helping to remove excess fluid from the body. 

  • A fast-acting, Prescription-only diuretic medication 
  • Flushes out excess fluid, salts, and toxins by increasing urine output.
  • Safely lowers blood pressure 
  • Provides essential relief from swelling (oedema) caused by heart, liver, or kidney conditions.

Order Monday to Friday before 14:00pm to guarantee next
day delivery.

Order Monday to Friday before 14:00pm to guarantee next
day delivery.

Accredited Retailer

A registered RCVS Vet Practice (7615389)

Product Features

Furosemide 20mg Tablets B.P. (Vet) for Dogs & Cats 

Furosemide Tablets 20mg are a loop diuretic used to treat oedema (swelling from fluid buildup) associated with cardiac insufficiency, renal dysfunction, and trauma in cats and dogs. It increases urine output, helping to remove excess fluid from the body. 

  • A fast-acting, Prescription-only diuretic medication 
  • Flushes out excess fluid, salts, and toxins by increasing urine output.
  • Safely lowers blood pressure 
  • Provides essential relief from swelling (oedema) caused by heart, liver, or kidney conditions.

Product Details

⚠️ This product should only be used under the guidance of a licensed veterinarian.

About Furosemide

Furosemide (formerly known as frusemide) is a highly effective loop diuretic commonly prescribed in veterinary medicine. It is primarily used to manage oedema (fluid retention) and ascites (abdominal fluid build-up) in dogs and cats associated with congestive heart failure, as well as certain liver and kidney disorders. Furosemide facilitates the removal of excess fluid by increasing urine volume . This process helps lower blood pressure and assists the body in clearing out excess salts and waste products efficiently.

Mechanism of Action

At a cellular level, Furosemide acts on the nephrons within the kidneys. It specifically inhibits the reabsorption of sodium, potassium, and chloride in the thick ascending limb of the loop of Henle. By preventing these electrolytes from being reabsorbed into the bloodstream, the medication ensures they—and the water that follows them—are excreted via urine.

Key Considerations for Use

  • Hydration: Because it increases fluid loss, pets must have constant access to fresh water to prevent dehydration.
  • Electrolyte Balance: Prolonged use can affect potassium levels, so veterinary professionals often monitor them through routine blood tests.
  • Dosage: Always administered according to a specific weight-based prescription to ensure safety and efficacy.
Source PIL 

Instructions

Consult your vet for safe use and refer to the datasheet.

Sizes

Available Furosemide Dosage at Ashcroft 4 Pets

Pack Size Usage Profile Best For
Single Tablet Acute Care Short-term prescriptions or post-operative fluid management.
500 Tablet Bulk Chronic Management Chronic support for pets with stable congestive heart failure (CHF).

Key Benefits

Ingredients

Furosemide

Related Products

How it works to order pet prescription medications online

Choose your
treatment

Select the treatment you would like to order

Upload a prescription copy at
the checkout

Provide all the information about your pet

Express
Delivery

Your order will be sent in discreet packaging.

Frequently asked questions

Do I need a prescription to buy POM-V pet medicines online?

Yes. POM-V items require a valid prescription from your UK vet.

 Upload your prescription during checkout. 

Photos must be clear. If details are wrong or expired, orders can’t be processed. This is standard across UK pet pharmacies.

No. Under UK law, vets must provide a written prescription if you request one for a POM-V medicine. They may charge a reasonable fee for issuing it, but they cannot refuse. This allows you to choose where to buy your pet’s medication, whether directly from your vet or from a registered UK pharmacy such as Ashcroft 4 Pets.

In the UK, most POM-V prescriptions are valid for 6 months, unless your vet specifies a shorter duration. Prescriptions for Schedule 2 or 3 controlled medicines are usually valid for 28 days and are not repeatable. At Ashcroft 4 Pets, we follow these same UK veterinary guidelines to ensure your pet’s medication is dispensed safely and legally.

At Ashcroft 4 Pets, we are a fully VMD-registered and accredited online retailer. This means every prescription and over-the-counter pet medicine we supply is safe, genuine, and dispensed according to UK law.

We follow all Veterinary Medicines Directorate (VMD) rules, and our team checks every prescription carefully before processing. You can order with confidence, knowing your pet’s health is in the hands of experts and all medicines are traceable, legally supplied, and authentic.

In the UK, most repeat prescriptions for POM-V medicines are valid for up to 6 months from the date your vet issues them. You can order multiple times within this period if your vet has authorised repeats.

For controlled medicines (Schedule 2 or 3), the prescription is valid for 28 days only and cannot be repeated. These medicines are strictly regulated due to their potential for misuse.

At Ashcroft 4 Pets, we follow UK law carefully, ensuring all prescriptions are dispensed safely, legally, and in the exact amounts prescribed.

 If your vet prescribes a human medicine for your pet under the Cascade, we can usually dispense against that prescription (with the right checks).

Latest Blogs

Furosemide (Frusemide) 20mg
Furosemide (Frusemide) 20mg
Furosemide (Frusemide) 20mg
Furosemide (Frusemide) 20mg
Furosemide (Frusemide) 20mg
Furosemide (Frusemide) 20mg
Furosemide (Frusemide) 20mg
Furosemide (Frusemide) 20mg
Furosemide (Frusemide) 20mg
Furosemide (Frusemide) 20mg
Furosemide (Frusemide) 20mg
Furosemide (Frusemide) 20mg
Furosemide (Frusemide) 20mg
Furosemide (Frusemide) 20mg
Furosemide (Frusemide) 20mg
Furosemide (Frusemide) 20mg
Furosemide (Frusemide) 20mg
Furosemide (Frusemide) 20mg
Furosemide (Frusemide) 20mg
Furosemide (Frusemide) 20mg
Furosemide (Frusemide) 20mg
Furosemide (Frusemide) 20mg
Furosemide (Frusemide) 20mg
Furosemide (Frusemide) 20mg
Furosemide (Frusemide) 20mg
Furosemide (Frusemide) 20mg
Furosemide (Frusemide) 20mg
Furosemide (Frusemide) 20mg
Furosemide (Frusemide) 20mg
Furosemide (Frusemide) 20mg
Furosemide (Frusemide) 20mg
Furosemide (Frusemide) 20mg
Furosemide (Frusemide) 20mg
Furosemide (Frusemide) 20mg
Furosemide (Frusemide) 20mg
Furosemide (Frusemide) 20mg
Furosemide (Frusemide) 20mg
Furosemide (Frusemide) 20mg
Furosemide (Frusemide) 20mg
Furosemide (Frusemide) 20mg
Furosemide (Frusemide) 20mg
Furosemide (Frusemide) 20mg
Furosemide (Frusemide) 20mg
Furosemide (Frusemide) 20mg
Furosemide (Frusemide) 20mg
Furosemide (Frusemide) 20mg
Furosemide (Frusemide) 20mg
Furosemide (Frusemide) 20mg
Furosemide (Frusemide) 20mg
Furosemide (Frusemide) 20mg
Furosemide (Frusemide) 20mg
Furosemide (Frusemide) 20mg
Furosemide (Frusemide) 20mg
Furosemide (Frusemide) 20mg
Furosemide (Frusemide) 20mg
Furosemide (Frusemide) 20mg
Furosemide (Frusemide) 20mg
Maximum file size: 2 GB

Add New Pet

Add Photo

To ensure we send the right the right type of medication please tell us about your pet below.

Date of Birth (please approximate if unsure)*

Allergies?
0