would you worm at 4weeks if pups are coughing?? they was done at 2weeks with panicur ,mum was done from 40days they are doing the dance and draging their bums?? mum has fleas and im going to the vets to get the spray so pups will have fleas if mum as and fleas caurse worms?? im going to talk to the vet tomorrow when we go but will i be over worming or sell i wait till next week to worm???