I got a pup who's Mom desired at 4 weeks. I comb the fleas off as she is to young.
I'm desperate to find something safe I can do at this time.

The vets have the safest and most effective flea remedies. A 6 week old needs to be seeing the vet for shots and in most places a heartworm remedy too.

I am asking to have this moved to the dog forum. You will find some material most new dog owners need in the sticky starting at