My story is similar.
Home was flooded. Within a year started to get many random symptoms: gut, neurological, arthritic, anxiety, etc. I was only 22 years old. My doctor threw in the towel and labeled me with fibromyalgia. I lived there for 11 years and just got worse. Then with bad luck moved to a clean home that had a mouldy well. I lost the ability to sleep well very quickly. I think my fibromyalia is mould illness and there is a lot of history and symptoms to back it up.
When I eat sugar or starch my arthritis symptoms flare up along with brain fog and anxiety. Anxiety my arse!! It feels more like toxicity from a snake bite. I have no rheumatoid factors and so it isn't arthritis. It is Chronic Inflammatory Response Syndrome.
There is growing suspicion that fibromyalgia/CFS are related to mould exposure and studies are rather new but there are similar finding such as in mitochondria health that is common between mould illness and fibromyalgia. So many illness may really be mould toxicity.