How Long Does Flea Treatment Take to Work? Timing Guide
Still seeing fleas an hour after treating? That’s normal. Vet-reviewed guide to how long flea treatments take to work and when it’s safe to reapply.
August 28, 2026
Free standard delivery over £50
Unbranded, secure packaging guaranteed
5% off your first order
When you sign up
Registered Veterinary Retailer
Genuine pet medicine
Vetmedin (pimobendan) Chewable Tablets for Dogs
From Price range: £14.48 through £80.21
- Prescription Required
Vetmedin (pimobendan) Chewable Tablets for Dogs
From Price range: £14.48 through £80.21
Vetmedin 1.25mg, 10mg, 5mg Chewable Tablets are prescription-only medication for dogs with congestive heart failure due to dilated cardiomyopathy or valvular insufficiency.
- Supports daily activity
- Improves blood flow
- Healthy heart, happy pup
Order Monday to Friday before 14:00pm to guarantee next
day delivery.
Please select size and quantity as shown in your prescription.
Ordering Prescription-Only Products
This item requires a current prescription from your vet before we can dispatch it. The good news? Sorting it out is simple and only takes a moment.
- Select or register your pet
- Attach a clear image or PDF of the prescription
- Complete your order at checkout
As soon as your prescription reaches us, our team will verify the details and get your pet’s treatment posted out to you.
Order Monday to Friday before 14:00pm to guarantee next
day delivery.
Product Features
Vetmedin 1.25mg, 10mg, 5mg Chewable Tablets are prescription-only medication for dogs with congestive heart failure due to dilated cardiomyopathy or valvular insufficiency.
- Supports daily activity
- Improves blood flow
- Healthy heart, happy pup
Product Details
Vetmedin (pimobendan) is a Prescription-only heart medication for dogs that strengthens the heart’s pumping action and improves blood circulation throughout the body.
Commonly used for:
- Myxomatous mitral valve disease (MVD)
- Dilated cardiomyopathy (DCM)
Available strengths: 1.25mg, 5mg, and 10mg tablets
Prescription required – Vetmedin should only be used as prescribed by a veterinary surgeon. Always order the exact strength and formulation stated on your prescription, as tablets and capsules are not interchangeable.
Not suitable for: dogs with hypertrophic cardiomyopathy or conditions where cardiac output cannot be increased. Refer to the product datasheet for the full list of contraindications and warnings.
Instructions
This medicine should be used strictly in accordance with veterinary advice.
- Given twice daily, approximately 12 hours apart
- Best administered on an empty stomach (about 1 hour before feeding)
- The exact dose depends on your dog’s weight and diagnosis, as prescribed by a vet
Important information
- Owners should not adjust the dose without veterinary advice.
- Vetmedin chewable tablets for dogs can only be obtained with a prescription.
For further information about using Vetmedin tablets for dogs, see the package leaflet or contact your vet.
Sizes
Available in the following strengths:
1.25 mg, 5 mg, and 10 mg — allowing accurate dosing based on your dog’s weight and veterinary prescription.
Key Benefits
- Improves heart function.
- Increases quality of life.
- Extends lifespan.
- Boosts exercise tolerance.
- Reduces heart failure symptoms.
Ingredients
Active drug:
- Vetmedin contains pimobendan (treats heart failure in dogs.)
How it works to order pet prescription medications online
Prescription required for this item. We need a valid written prescription from your vet before we can dispatch.
Legal category: POM-V
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
What are Vetmedin Chewable Tablets used for?
Vetmedin is prescribed to treat congestive heart failure in dogs caused by conditions such as:
Dilated cardiomyopathy (DCM)
Mitral valve disease (MVD)
It helps the heart pump more effectively and can improve breathing, exercise tolerance, and quality of life.
Is a prescription needed to buy Vetmedin?
Vetmedin is a POM-V (Prescription Only Medicine – Veterinarian) and can only be supplied with a valid veterinary prescription.
How does Vetmedin work?
Vetmedin contains pimobendan, which:
Improves the strength of heart contractions
Helps widen blood vessels to reduce strain on the heart
This combination supports better circulation and heart function.
How quickly does Vetmedin start working?
Many dog owners report improvements within 1–2 weeks, such as easier breathing or increased energy. However, response time varies with the severity of the heart condition and whether Vetmedin is used in combination with other medications.
Will Vetmedin cure my dog’s heart disease?
No. Vetmedin does not cure heart disease, but it helps manage symptoms and slow progression, improving comfort and quality of life. Most dogs remain on treatment long-term under veterinary supervision.
How long can dogs live after starting Vetmedin?
This depends on:
The type of heart disease
How early treatment is initiated
Whether other medications are used
Some dogs live for months to years longer and experience improved quality of life when Vetmedin is initiated at the appropriate stage.
Is Vetmedin safe for daily, long-term use?
Yes. Vetmedin is widely prescribed for long-term daily use in dogs with heart failure. Regular veterinary check-ups are important for monitoring cardiac function and adjusting treatment as needed.
Latest Blogs
Dog Digestive Problems: Causes & Solutions
Digestive problems in dogs are common and can be stressful for owners to manage. Because dogs are natural scavengers, their stomachs are often exposed to foods and substances that may upset digestion.
February 21, 2026
Can Dogs Get Fleas in Winter? The Truth Most Owners Miss
Yes, dogs can get fleas in winter. Many owners have seen infestations during the winter months that were even worse than in summer.
April 20, 2026