Minimum flea treatment for a Jack Russell cross

As a new owner, this is a really important one to get right from the start. Treating fleas effectively means treating both your dog AND your home — 95% of fleas actually live in carpets, bedding, and soft furnishings rather than on the dog itself, which is why a single product rarely solves the problem. To point you at the minimum you actually need: what breed mix is your dog, roughly how heavy are they, have you spotted fleas on the dog or around the house, and have you done anything to the home yet?

Good news — you've caught this early, which makes things much simpler. At 7kg your dog falls in a very standard treatment range, and a light infestation at this stage is totally manageable with two products. For your dog, I'd go with Frontline Plus spot-on for small dogs. It kills adult fleas and also targets flea eggs and larvae, which a lot of cheaper spot-ons skip. One pipette lasts a month and it's around £8-10 for a single dose on Amazon UK. That handles the dog side of things reliably without overspending.

Hoovering is genuinely useful — it physically removes eggs and stimulates larvae to hatch so they're more exposed — but on its own it won't break the life cycle reliably. You do need a home spray. The one I'd recommend here is Indorex Defence Household Flea Spray. It's around £13-15 for a 500ml can, which covers up to 85 square metres, so for most homes one can is enough. Crucially it contains an insect growth regulator alongside an adulticide, which stops eggs and larvae developing for up to 12 months. That's the bit that prevents re-infestation. Spray carpets, skirting boards, under furniture, and your dog's bedding. So total outlay: roughly £20-25 for both products, and you've genuinely covered all bases.

That's genuinely it for a light infestation caught early. Frontline Plus on your dog monthly and one can of Indorex through the home. The only thing I'd add is a practical note: wash your dog's bedding on a hot cycle before you spray, and repeat the Frontline dose at the four-week mark even if you see nothing — flea eggs can keep hatching for weeks. If after six weeks you're still seeing live fleas on her, that's when it's worth calling your vet, as some dogs pick up flea-resistance strains and need a prescription product. But for where you are right now, you don't need that.

Great — you're in a good position having caught it early. Quick recap: Frontline Plus spot-on for small dogs (up to 10kg) for her, and Indorex Defence spray for the home. Both available on Amazon UK, both arrive quickly. You've got this sorted.