Can house molds grow inside your body when eaten & if so, what are the symptoms?

Unlikely: Do realize that certain molds produce toxins which may potentially be harmful to you when ingested in huge quantities. The symptoms however are quite variable depending on the kind of toxins- but this is mostly a theoretical answer. Inhaling excessive amount of mold spores however may lead to fungal ball or mold colonization in the lungs and sinuses in susceptible individuals.