What to use to get rid of fleas
They are bad
You can be rid of fleas in the home with soap and water, but you have to rid it of whatever is bringing it in. Do you have a pet coming in from out of doors and bringing them in? If so, they need bathed daily until the yard is rid of fleas. Sevin dust will rid the yard of fleas, especially if you place it in the areas where a pet prefers to lie. Your pets can get ill from Sevin dust if they are in it too much or are pups/kittens. Keep them out if the area of the yard where you put Sevin dust if you can. We did this and we got rid of them.
Diatomaceous earth on you carpets to dehydrate the eggs. Vacuum repeatedly. Bag up and seal anything you can't wash in hot water. Treat the pets.
Bathe your dog/cat in original blue Dawn dish washing soap. A tip from a groomer over 25 yrs ago. Not one flea since!
This is the best spray to get rid of all stages of fleas, they are no joke! We had them for 3 months then finally got this https://amzn.to/2N6lGM2