# Capstar flea tablets for dogs, model 61021

Capstar flea tablets \(model 61021\) are listed for medium to large dogs weighing 11.5-57 kg. The listing claims an oral dose starts killing fleas within 15-30 minutes, with 95-100% of adult fleas killed within six hours, making this a rapid-acting treatment rather than a stated ongoing preventative.

- [Original product page](https://bargainpostbox.co.uk/product/capstar-flea-tablets-dogs-61021)
- [View offer](https://bargainpostbox.co.uk/visit/capstar-flea-tablets-dogs-61021)
- Market: UK
- Language: en-GB
- Currency: GBP
- Brand: Capstar
- Model: 61021
- Category: Pet Supplies > Pet Grooming & Health > Pet Health
- Price: 22.94 GBP
- Previous price: 26.89 GBP
- Discount: 15%
- Price checked: 2026-11-12T19:17:45.778Z
- Rating: 4.1 / 5
- Reviews: 2047

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- Oral tablets can be given directly or wrapped in a treat, according to the listing.
- The stated dog weight range is 11.5-57 kg.
- The listing describes fast action against adult fleas, with a further claim of complete kill within 24 hours.

## Pros

- The edible tablet format offers a stated alternative to topical application.
- The listing gives an explicit weight range and tablet strength, helping buyers check whether this pack matches their dog.

## Cons

- This listing describes rapid flea treatment but does not specify ongoing prevention duration.

## Specifications

### Identity
- Brand: Capstar
- Model: 61021
### Formulation and use
- Form: Tablets
- Active ingredient: Nitenpyram
- Target species: Dog
- Dog weight range: 11.5-57 kg
- Tablet strength: 57 mg
- Pack quantity: 6 x 57 mg Tablet
- Listed age range: Adult
- Scent: No scent
### Claimed action
- Starts working: 15-30 Mins
- Adult flea claim: 95-100% of adult fleas within just 6 hours
- 24-hour claim: 100% FLEAS DEAD WITHIN 24 HOURS
### Other listed details
- Weight listed: 0.02 Pounds
- Allergen information: Allergen-Free
- Colour: green
- Country of origin: United Kingdom

## Before you buy

- The listing claims killing starts in 15-30 minutes, 95-100% of adult fleas are eliminated within six hours, and 100% are dead within 24 hours. These are manufacturer claims, not independently verified outcomes. It also recommends following up with a preventative treatment to help prevent future infestations. Follow the product directions and seek veterinary advice if unsure about suitability.

## In the box

- Flea Treatment (Included)

## A good fit for

- Owners seeking an oral flea treatment for adult medium to large dogs within the listed 11.5-57 kg range.
- Buyers who prefer a tablet that can be given directly or wrapped in a treat.

## Less suited to

- Dogs outside the stated 11.5-57 kg range or buyers specifically seeking a product with a stated ongoing prevention duration.

## Customer feedback

Customer feedback includes reports of quick flea control and easy administration, alongside mixed experiences with effectiveness and value. Some customers report no adverse effects, while others mention dogs scratching days later. For buyers considering this fast-acting tablet, that range of experience matters because the listed timing and kill claims do not ensure the same result for every dog, and the treatment is not presented as ongoing prevention.
- Positive themes: Customers report that the treatment is easy to administer.
- Positive themes: Some customers report quick flea control, including dead fleas appearing within four hours.
- Negative themes: Some customers report that the treatment did not work for their dog and was not worth the cost.
- Mixed feedback: Effectiveness and value for money receive mixed feedback.
- Mixed feedback: Reports about side effects vary, including customers reporting no adverse effects and others mentioning later scratching.

## Frequently asked questions

### Which dogs is this Capstar pack listed for?
The listing states a range of 11.5-57 kg and describes it for medium to large dogs. Check your dog's weight and the product directions before use.
### How quickly does it claim to work?
The listing says action starts within 15-30 minutes, claims 95-100% of adult fleas are eliminated within six hours, and separately claims all fleas are dead within 24 hours. These are listing claims, not guarantees.
### Is it described as ongoing flea prevention?
No ongoing duration is specified. The listing recommends following up with a preventative flea treatment to help prevent future infestations.
### How can the tablet be given?
The listing says it can be given directly or wrapped in a treat.

## Alternative options

- [Advantage Chewable Flea & Tick Tablets, 2 Pack, Dogs 5.5-11kg, 225mg \| Dog flea and tick treatment chew, Kills fleas in 4 hours ticks in 8, Easy to give, Monthly protection, Meat flavoured](https://bargainpostbox.co.uk/visit/capstar-flea-tablets-dogs-61021)
- [Advantage Chewable Flea & Tick Tablets, 1 Pack, Dogs 11-22kg, 450mg \| Dog flea and tick treatment chew, Kills fleas in 4 hours ticks in 8, Easy to give, Monthly protection, Meat flavoured](https://bargainpostbox.co.uk/visit/capstar-flea-tablets-dogs-61021)
- [Advantage Chewable Flea & Tick Tablets, 3 Pack, Dogs 11-22kg, 450mg \| Dog flea and tick treatment chew, Kills fleas in 4 hours ticks in 8, Easy to give, Monthly protection, Meat flavoured](https://bargainpostbox.co.uk/visit/capstar-flea-tablets-dogs-61021)
- [Advantage Chewable 900mg Chewable Tablets for Dogs >22-45kg \(6 pack\), Flea and Tick Treatment, Fast Acting Kills Fleas Within Hours, Prevention Lasts For A Month, Easy To Administer](https://bargainpostbox.co.uk/visit/capstar-flea-tablets-dogs-61021)
- [FRONTPRO Chewable Tablets Flea & Tick Treatment for Dogs 3 Pack \(25-50kg\)](https://bargainpostbox.co.uk/visit/capstar-flea-tablets-dogs-61021)
- [FRONTPRO Chewable Tablets Flea & Tick Treatment for Dogs \(4-10kg\) 1 Tablet Pack](https://bargainpostbox.co.uk/visit/capstar-flea-tablets-dogs-61021)
- [Advantage Spot On Flea Treatment, 4 Pack, Extra Large Dogs 25-40kg, 400mg \| Extra large dog flea drops, Kills fleas within 24 hours, Protects for 4 weeks, Easy to apply, Monthly prevention](https://bargainpostbox.co.uk/visit/capstar-flea-tablets-dogs-61021)
- [FRONTPRO Chewable Tablets Flea & Tick Treatment for Dogs 3 Pack \(10-25kg\)](https://bargainpostbox.co.uk/visit/capstar-flea-tablets-dogs-61021)
- [Advantage Chewable Flea & Tick Tablets, 1 Pack, Dogs 5.5-11kg, 225mg \| Dog flea and tick treatment chew, Kills fleas in 4 hours ticks in 8, Easy to give, Monthly protection, Meat flavoured](https://bargainpostbox.co.uk/visit/capstar-flea-tablets-dogs-61021)
- [Advantage Chewable Flea & Tick Tablets, 1 Pack, Dogs 2.5-5.5kg, 112mg \| Dog flea and tick treatment chew, Kills fleas in 4 hours ticks in 8, Easy to give, Monthly protection, Meat flavoured](https://bargainpostbox.co.uk/visit/capstar-flea-tablets-dogs-61021)
- [Zesty Paws Pre, Post & Probiotic for Dogs, Daily Digestive Bites - 90 Chews \| Vet Formulated Prebiotics & Fibre Supplements for Dog Gut Health, Digestion, Stool Firmness & Stomach Settling](https://bargainpostbox.co.uk/visit/capstar-flea-tablets-dogs-61021)
- [Advantage Spot On Flea Treatment, 4 Pack, Extra Large Dogs 25-40kg, 400mg \| Extra large dog flea drops, Kills fleas within 24 hours, Protects for 4 weeks, Easy to apply, Monthly prevention](https://bargainpostbox.co.uk/visit/capstar-flea-tablets-dogs-61021)

## Add-ons

- [Advantage Spot On Flea Treatment, 4 Pack, Medium Dogs 4-10kg, 100mg \| Medium dog flea drops, Kills fleas within 24 hours, Pro](https://bargainpostbox.co.uk/visit/advantage-spot-on-flea-treatment-medium-dogs-4-pack)
- [Quebec Household Flea Spray for the Home 500ml, Pack of 2 \| Powerful Flea & Pest Control for Home with long-lasting control a](https://bargainpostbox.co.uk/visit/capstar-flea-tablets-dogs-61021)

## Images

![Capstar flea tablets for dogs, model 61021 — 1](https://bargainpostbox.co.uk/i/pKQ0AQQQtNGjs-stetYc2wXHzDp8abOkdQ5MzGKGWVss3RiineHfzfinKSvkgrJMo_tI4SPp8ipIzJheubWZXPP00xjYny7fdc_mpz-gbuNztG4gjsJ95vsw.jpg)

![Capstar flea tablets for dogs, model 61021 — 2](https://bargainpostbox.co.uk/i/aQJphIVHtx2PdDGtwsDQjvP1G-qhD5pb2hbPoCcCLqyzBVamYO6NgjsSX47tqq36zFq1-DtCWHkb8SE7loDUavoZVgd7hNpoLIxeZduTWu3OBGwKr4ls9gPT.jpg)

![Capstar flea tablets for dogs, model 61021 — 3](https://bargainpostbox.co.uk/i/0rlaBxW6bUxiUIsbNn8uVHo7qG41RqFKoZrfMhw6NkIdhSM7-y-yzu1sEiNLTy5JUufuIG8iMtd8WyOHNA8doRA_ILDqtX74v6KhsMXjgTL7iR3QbTRJO9fY.jpg)

![Capstar flea tablets for dogs, model 61021 — 4](https://bargainpostbox.co.uk/i/8TQ2l9eaUu0ynywi4Ty6QfuM5ZYzWCtMZIl-MudsusRZFXQxRLvwHFU2ZWMSlq6k9xTlJYWZRVzAnwzCnflEr6HMjisdE9A3cESk7DCLqsvgqPPz6GUVV4am.jpg)

![Capstar flea tablets for dogs, model 61021 — 5](https://bargainpostbox.co.uk/i/-Ie3B59471WFASKo4O44LNF6nonecQqQPIiblmRV0DwYBJpFFzyK27IrcxTV5g3qFV-ac3JeyKfwKNCjyToE2-7mqimSF44NAYrc4EWmWMo9r25JmvHQOy6Q.jpg)

![Capstar flea tablets for dogs, model 61021 — 6](https://bargainpostbox.co.uk/i/sZziHWh8AuvVB9DbwLUMV5m2yvasYRYNsqxYD_S87-6LxZQiKsA6-SKZLWwp1gerVtMe7R2HxI2LaBNe_Mx9bJc_7lvuNYviAytMVBEs1MygSlVuqkjD0ys4.jpg)

![Capstar flea tablets for dogs, model 61021 — 7](https://bargainpostbox.co.uk/i/g01xB7pkVW6w0fXYpM9KggtIIShwWXEx1ctVoaB-kqc-ch-s-l29eYMGJoAewL1k3Fjp--RuVmfoWToltEIBnRtBkHJIWpwU1vjG4hndQg-YOnFgQtxfFw98.jpg)