Cocker losing fur on back

[Cflower]

By cocker is 13 1/2 years old. She is starting to lose hair on her back when I comb her. I can comb and comb and end up with a handful of fur. I can do it the next day and same thing happens. Not happening on her legs or anyplace else.

[Luba]

May be one of many things, could be something as mild as an allergy to something as serious a thyroid problem.

Your dog should see a vet for blood work to rule out anything serious or diagnose for proper treatment.

[Cflower]

About a month ago she ate a lot of chocolate. Survivived that. She did the same thing about 2-3 years ago. Also in the past she's eaten 90 Celebrix pills.