Demonchondriac 

A person who is abnormally anxious about their inner demons

There's never enough salvation for a demonchondriac to not feel anxious about their inner demons

Demonchondriac by The Writer Of The Wronged September 14, 2016

demonchondriac 

An individual who is abnormally anxious about being possessed by demons

The man kept the crosses covering the walls to keep the demons at bay. He insisted his behavior just fine and that he wasn't a demonchondriac. Despite the fact his life was consumed thinking all day about them it still made sense to him.

demonchondriac by The Writer Of The Wronged June 3, 2016