What could happen if you accidentally ate maggots?

Myiasis: There could be nausea, vomiting, diarrhea and local irritation of tissues. Most would be killed in the stomach but it is possible that some could survive because they are protected by outer coatings.

Maggots: By the way, Maggot infested cheese is a delicatessen in Italy. At any rate, Maggots can cause GI problems, Food poisoning, and allergic reactions. Other cases can involve Myiasis, where Maggots feed on tissues,