After using a good spot treatment. They have great sprays on chewy that can be used with spot treatment. I feel your pain. Treating 2 indoor and 3 outdoor cats with lice. There are not enough hours in a day to comb and clean up after them.
I hope your cat is okay. I have stepped on plenty of my cats, it happens. Luckily nothing broken or punctured yet. I've even had a few garage door accidents. I would be worried about a puncture or maybe a broken rib? Sometimes it just takes awhile for their being startled to go away, but if...