My first advice for hidradenitis is to STAY AWAY FROM DOCTORS!!! They do not know what they are doing when it comes to HS.
I'm sure you will get some answers here: follownaturesway (dot)com
"Celiac disease is an autoimmune disease due to gluten exposure. Other gluten diseases include Hidradenitis suppurativa, Dermatitis herpetiformis, Gluten ataxia, gluten allergy and Gluten Intolerance."