Abdominal pain/distension, nausea/vomiting, bloody/mucus diarrhea
Invasion of GI walls can cause peritonitis, appendicitis, SBO
Mild fever
Allergic-type reactions (e.g. rash, pruritus) including anaphylaxis can occur
Invasion of GI walls can cause peritonitis, appendicitis, SBO
Anisakis
Taenia saginata
Clitocybe
Taenia solium 
Cyclospora
Diphyllobothrium latum
Inocybe
Hymenolepis nana