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Activyl Spot-on is the latest flea treatment for dogs and cats made by MSD. Fleas have shown no resistance to this innovative product which has a totally unique active ingredient, called indoxacarb. Activyl is supplied in pipettes of two different sizes for cats and five different sizes for dogs, so that each animal receives just the right dose for its bodyweight. One pipette is used per month to maintain effective flea control on puppies and kittens from 8 weeks of age..
Activyl is the first product designed to achieve flea control through the use of "metabolic activation, or bioactivation". It is applied once every month to the surface of the skin where fleas take it up and they then convert it into a highly active metabolite. The drug in Activyl has very little effect without the activation until it is taken in by a flea or other insect, so the possibility of toxicity to the base ingredient is very slim. Mammals are not able to activate the compound in this way and so are not exposed to the active insecticide by licking at their coat or swallowing hair - unlike other spot-on treatments.
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:
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 air freight restrictions aerosols cannot ever be sent abroad 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 Activyl Spot-on for Dogs & Cats, including answers from our team.
I was given this on saturday 6th sept put on my cat.
How long does it take to kill all fleas?
In the early autumn of a year like we have had, it can take a long time! This is because new fleas will be hatching out in the environment where your cat (and other animals) have been going for the last few months. Waves of new fleas might well be landing on your cat every day. They will die off quite soon (a day or so usually if you applied the treatment effectively) but more fleas will appear. I would suggest you treat the house with product like Indorex after carefully vacuuming all the carpets and furnishings. You will get rid of all the fleas in time, but it is rarely an instant result. It depends on how effective your treatments have been over the last few months and so what size the background flea population is.