The the larger size will remain effective for longer, whereas the smaller size is more likely to be fading sooner. The clear chamber means you can check easily whether you've applied all of the solution - and, once applied - it kills fleas fast, providing up to eight weeks protection for dogs and up to five weeks for cats. Available in packs of 4 or 24 pipettes, Effipro is ideal for households with more than one cat or dog. I tried Advantage as I've used that in the past with good results, but this time it did nothing so I bought this as recommended by someone from the PDSA. In addition to this flea treatment you may require an additional household spray like Indorex Flea Spray to combat fleas which may not have yet hatched or dormant fleas in and around the house.

This combination treatment is highly effective as it not only kills adult fleas, but also prevents future fleas by stopping the life cycle.If you split the dose in half and shared it between two dogs, you would be underdosing both and neither would be treated against fleas or ticks. To get it faster you can upgrade Light items to Royal Mail 1st Class Tracked or a Guaranteed Courier service, Saturday Courier or even before 12 noon services where available. Effipro Flea Spray is a prescription only medication (POM-V) used on dogs and cats for the treatment and prevention of flea, tick and biting lice infestations. It is important to apply the dose to an area where the animal cannot lick off and to make sure that animals do not lick each other after treatment.

Once applied, Effipro Spray breaks the life cycle of the flea with its persistent adulticide activity, ensuring your pet is not re-infested and your home is kept flea free. EFFIPRO® has a unique, clear, non-drip pipette, thanks to its ‘drop lock’ technology, meaning you can apply the product with greater control, and less mess and fuss.In fact there is so much leeway on this that the dose is not critical and you could safely use either size.