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Capstar tablets are given to dogs and cats to kill any adult fleas present. After taking a tablet, fleas will start to die after just 15 minutes. All adult fleas present should be dead within 24 hours. Capstar is very safe for pets, but lethal for fleas. However it is important to remember that more fleas will tend to jump onto your pets as they move around the house and outdoors. Therefore it is always best to use some other form of flea control as well. An insecticidal spray used in the house is very effective, such as Indorex or Acclaim. Something to prevent fleas breeding can be given to your dog and cat too, such as Program. This is available without prescription and if used every month will prevent flea eggs from developing.
It is safe to give repeated doses of Capstar tablets if more fleas are seen, but no more than one dose per day should be given.
Below is the product datasheet. This has been provided by the manufacturer and should always be provided with the medication.
Company name: Novartis Animal Health UK Ltd
Address: Frimley Business Park
Frimley
Camberley
Surrey
GU16 7SR
Telephone: 01276 694402
Fax: 01276 694403
White to light yellow, round, biconvex tablets, with bevelled edges.
Capstar 11.4mg tablets:11.4mg nitenpyram imprinted on one side with ''RB'', on the other side with ''CG''.
Capstar 57mg tablets: 57mg nitenpyram imprinted on one side with ''HIH'', on the other side with CG''.
Capstar is indicated for the treatment of fleas on dogs and cats.
Daily treatment for infestation plus environmental treatment. Fully effective in 6 days. Tablets fine to be crushed.
Capstar tablets are administered orally at a minimum recommended dose of 1mg/kg, with the following recommendations:
| Weight of cat or dog | Dose |
| 1 11kg | 1 tablet CAPSTAR 11.4mg |
| 11.1 57kg | 1 tablet CAPSTAR 57mg |
| Over 57kg | 2 tablets CAPSTAR 57mg |
Capstar tablets should be given orally, either directly into the mouth or mixed into a small portion of food and given immediately. Administer on any day when fleas are seen on the animal. No more than one treatment should be given per day.
None.
Special precautions for use
Do not use on animals less than 4 weeks old or weighing less than 1kg.
Undesirable effects
For the first hour after administration, the pet may scratch more than normal. This effect is caused by the fleas reacting to the product.
Keep out of reach and sight of children.
Do not store above 25C.
Do not use the tablets after their expiry date.
AVM-GSL
Aluminium blister containing 6 tablets. Cardboard box containing 1 blister.
Effects on fleas may be seen as soon as 15 minutes after administration. Between 95% and 100% efficacy is observed within the first 6 hours and 100% efficacy is reached within 24 hours.
To help prevent re-infestation, the additional use of a suitable treatment to control immature stages of the flea life cycle in the environment is recommended. If in doubt consult your veterinary surgeon.
Nitenpyram is neither embryotoxic nor teratogenic. It can be given to animals at all stages of pregnancy or lactation.
No adverse drug reactions were seen when nitenpyram was administered with other products commonly used in small animal veterinary practice including commonly used flea products, vaccines or antibiotics.
Overdose: nitenpyram is well tolerated. Overdosage up to 70mg/kg was asymptomatic.
Capstar 11.4 mg Vm 12501/4059
Capstar 57 mg Vm 12501/4060
All prices include VAT where applicable.
Under almost all products on our website is an Estimated dispatch time, check this for a delivery prediction specific to the item you are looking to purchase. These badges are updated live based on the stock levels we have and also those of our suppliers - so are usually very accurate, but cannot be guaranteed. In more general terms, we aim to dispatch all orders within 1 working day of receiving payment (and a prescription if required). If we cannot do so within 3 working days we will contact you by email.
For UK delivery, we charge the following:
| Order Total | Weight | Delivery |
| £0-£28.99 | Under 2kg | £2.99 |
| 2kg+ | £4.99 | |
| £29-£38.99 | Under 2kg | Free |
| 2kg+ | £4.99 | |
| £39+ | Under 2kg | Free |
| 2kg+ | Free |
Prices quoted are for delivery to all parts of mainland UK except certain Scottish postcodes (where the price is higher for items sent by courier. Delivery of food abroad (including Channel Islands, N. Ireland and other islands around the UK) is charged at a higher price and free delivery is not available. Temperature controlled products, such as Insulin, are also not always subject to the standard and/or free delivery options.
For full information on our delivery charges, including prices on heavy deliveries to Scotland and abroad, see our delivery information page.
We can deliver most items to all around the world, but prices do vary. The majority of light weight orders (less than 1.5kg) can be delivered for a flat rate of £10. For an accurate estimate of the delivery charge, please put the items you require in your basket and use the "Estimate Delivery" system on the shopping basket page (you only need to enter your country and postal/zip code) for a quick quote. For deliveries to the USA you may need to go to the checkout page and enter your full address to get a quote (as some services need your state in order to quote too). For more information on international deliveries, please see our delivery information page.
Due to restrictions aerosols can't be sent by Royal Mail. We appreciate your understanding.
Some products, such as insulin and frozen food, need to be delivered in insulated packaging to prevent them from getting too warm (or too cold) during transit from us to you. Purchasing any of these items in your order will result in a £1.99 charge being added to the total to cover the high cost of the insulated packaging materials. You only pay the £1.99 once per order, regardless of how many temperature controlled items you purchase in that order.
Please call us as soon as possible if you need to amend or cancel an order on 01582 842096. If your order has been processed for dispatch we will be unable to cancel or amend the order. You will however be able to return your product for a full refund*.
To return an item, you must contact us by phone or email to arrange this BEFORE posting any product back to us. We will explain the process at this stage for you.
*For full details on returns, see our terms and conditions page.
Below are some recent questions we've received regarding Capstar Flea Tablets for Dogs & Cats, including answers from our team.
Angela Pett
Is this safe to use on lactating mums
Yes, Capstar can be given at all stages of pregnancy or lactation.
Wendy
How often do I need to give each tablet
Hello.
Thank you for your question.
Administer these tablets on any day when fleas are seen on the animal. No more than one treatment should be given per day. These tablets are used for an existing flea infection. If you are wanting something for prevention, any spot on treatments would be suitable such as Frontline, Effipro and Advantage. Ensure you have your household flea spray too and we can recommend Indorex or Acclaim. 90% of fleas live in the environment and not on your pet so a spray for the environment is most important.
I hope this helps!
Donna
Would half a tablet be sufficient for 12 week old kittens that weigh 1kg and just over or do they need a whole tablet when they are so small?
Hi Donna,
Here is the dosage information.
| Weight of cat or dog | Dose |
| 1 11kg | 1 tablet CAPSTAR 11.4mg |
| 11.1 57kg | 1 tablet CAPSTAR 57mg |
| Over 57kg | 2 tablets CAPSTAR 57mg |
For a 1kg cat you would need to give 1 whole tablet.
I hope this helps.
Helle Reiche Knudsen
Can I use capstar with Fiprospot ?
Yes, Capstar should be perfectly safe to use with Fiprospot. They contain different active ingredients which should not have any interactions, and none are advised in the data sheet- Capstar has been tested against many common pet products with no side effects. Capstar tablets have very short term effects but should not be used more than once per day.
It is highly recommended that you treat the house and all pet bedding to get rid of the eggs and larvae that will be in your pets environment. The females lay thousands of eggs each day, so when they hatch, it can appear that your products are not working, when really they have but the fleas are being replaced with new ones! I would personally choose to use either Genitrix RIP Fleas Spray or Virbac Indorex Spray.
Laura Brown
Is it safe to use both Capstar and Advocate at the same time, with a heavy flea infestation.
Yes it should be perfectly safe to use these two products together because they work in completely different ways and contain completely different ingredients, with no known interactions to my knowledge.
I would say that theoretically you should not need to use them together, because Advocate should deal with fleas on its own. However if there is a heavy burden to get rid of, the Capstar should provide a dramatic immediate effect. The general environmental population in the background might act as a reservoir for a while, so an environmental flea spray such as Indorex could be considered.
