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Capstar Tablets
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Capstar Tablets

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77 Reviews

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  • Vet price £32.39
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Capstar Tablets

Capstar Tablets are for the treatment of flea infestations on cats and dogs.

It is a white/yellow round tablet supplied in packs of 6 x 11mg or 6 x 57mg oral tablets.

Capstar can kill fleas that are on your animal within 15 minutes and the treatment lasts for 24 hours.

Dosage and administration: Capstar is to be given orally, either directly into the mouth or mixed into a small portion of food and then given immediately. For cats and dogs up to 11kg, please issue 1x 11mg tablets. For dogs over 11kg and over, please issue 1x 57mg tablets. If your dog is more than 57kg in bodyweight, 2 tablets will need to be given. Only one dose should be given daily.

Capstar can be used on animals 4 weeks and over. It is also safe to be used in pregnant and lactating bitches.

Do not use in animals less then 1kg in bodyweight.

For the first hour after administration, your pet may scratch more than normal which is common. This is caused by the fleas reacting to the product.


We offer a range of delivery options:

Our standard delivery is free by Royal Mail 2nd Class - there are some exceptions and you can see these on our delivery page. These include refridgerated items and aerosols which have to be sent via our Courier service.

We also offer delivery by Royal Mail 1st Class or via Next Working Day Courier for a small fee (for items in stock ordered before 12pm Monday to Thursday). Where available orders can be upgraded to Next Working Day pre-12pm or Saturday Delivery. Standard courier orders placed before 12pm on Fridays will be delivered the following Monday.

Orders under £20 have a £2.50 handling fee automatically added.

Food deliveries weighing 2kg and over ordered before 12pm (Monday to Thursday) will be delivered next working day by courier - Monday to Friday - excludes Saturday delivery. Orders placed on a Friday, Saturday and Sunday will be delivered on a Tuesday. Orders weighing over 6kg are sent free.*

*Please note that any other items ordered with food will be sent separately via Royal Mail 2nd Class by default. If you require non-food items on a faster service we offer the option to upgrade to Royal Mail 1st Class or Courier delivery of non-food items for an additional charge.

For more information, view our delivery page.

Feedback for Capstar Tablets has been compiled from 77 customer reviews




As Above


Worked fast, on my 1 dog and 3 cats, with no health issues, Used product again 3 days later, as this year been high extra high burden flees .in town . (Plus don't forget u need to treat u home for flees )


I use this product regularly and it works as itcsays


Easy to use for feral cats


Sent the cat a bit crazy about 20 minutes after dose, scratching like mad..but seems to be doing the job. Crushed tablets & added to food, cat didn't seem to notice!




On 3rd tablet and still my can has fleas

On 04 Aug 2016 Pet Drugs Online responded:
Hi Cerry,

I am sorry to hear you still have a flea problem after using Capstar. I would also advise to clean bedding regularly and vacuum furniture, floors and skirting boards to help destroy fleas at each stage of their lifecycle. Their are also household flea sprays you can use also to help kill fleas. 

If we can help or advise you further then please contact us on 

Kind Regards


Very quick effects. .fleas fall ...easy then to comb the cats.

View all 77 reviews