Are these fleas under my dog’s tail?

I found these black dots under my dog’s tail. He was experiencing some fleas earlier this week and we managed to take them out after some treatment. However, we just noticed some black dots under his tail. He doesn’t seem to be bothered by it and doesn’t scratch.

Hello - if you look carefully at a flea, you can usually see it moving / climbing / jumping.  They are brown insects. Just as people's chests are flattened slightly in a front to back direction, fleas are very flat, in a side to side direction.  I cannot definitely see any fleas in this picture, although I am viewing in on a phone.  Common causes of black dots include flea dirt   (which comes loose easily, if you roll it across dampened tissue paper it leaves a browny red trail behind) or comodones, which are greasy plugs in the pores of inflames skin.   I'd hazard a guess that your dog is a Westie; they are known for having reactive skin.  In any case, it's worth showing this to a vet.

It may for example be worth booming a routine appointment with a view to potentially cancelling it closer to the time if the skin improves after the flea treatment.

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