In particular, fuzzy white, green, pink, or grey spots growing on the surface of blue may indicate that it’s gone bad. Additionally, cheese that develops a robust odor almost like ammonia could also be spoiled. Consuming spoiled blue can cause gastrointestinal disorder, which causes symptoms like nausea, vomiting, diarrhea, and stomach cramps. Certain sorts of mold also produce mycotoxins, which are toxic compounds that will suppress immune function, cause digestive distress, and even contribute to cancer. Storing blue properly and practicing food safety is that the best thanks to preventing these negative side effects and luxuriate in blue safely. It is Good to Eat Moldy Blue Cheese.