On Friday, March 20, 2015 at 9:34:30 AM UTC-4, Baldoni wrote:
I have adopted a cat that was left in my street he belonged to a girl
who moved out and left him behind. I have treated him for worms and
fleas several times over the last couple of years and that's not a
problem. He has however several scabs that run along his spine and I am
hoping someone can tell me what they are and how to get rid of them.
Thanks.

it could be skin irritation from flea meds if you changed recently