Our expert says:
Unfortunately it sounds like your dogs have a flea bite allergy, this means that even if they no longer have fleas, they will continue to scratch. The fleas secrete a toxin in there saliva that can cause an allergic reaction (similar to a bee sting allergy!) Therefore the allergy must be treated before the scratching will stop! I advise that you take them to a vet for a check-up. In mild cases of flea allergies, anti-histamine treatment can help but in more severe cases (like your dogs’ problem) the vet might need to give cortisone treatment and even a course of antibiotics if there is a secondary skin infection.
Protecting your dogs against fleas is still very important, otherwise the problem with re-occur. Most importantly, your dogs must be treated once a month with a good flea product. I prefer the spot-on products (like Frontline) as it is easy to administer. Remember to change the product you are using every couple of months otherwise resistance can build-up over time. Also remember to wait 3 days before or after bathing your dogs, before applying the treatment. All pets (dogs and cats) must also be treated at the same time. Controlling the fleas in the environment is NOT easy. Regular washing of their bedding is definitely recommended and there are products that you can treat the soil with but unfortunately this only keeps the fleas at bay for a while. Luckily if you do treat the dogs monthly with a good flea product, it will in most cases protect them against any flea infestation. Good luck with the renovations!
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