Nut allergies are a serious condition that affects millions of people worldwide. For those with this condition, even a small exposure to nuts can lead to severe allergic reactions. Some of the most common synonyms for nut allergies include peanut allergies, tree nut allergies, and nut sensitivities. Other terms that may be used to describe this condition include anaphylaxis, an allergic reaction, and food allergy. It is important for those with nut allergies to inform others of their condition and to avoid foods that may contain nuts or have been prepared in areas where nuts may have been present. As always, it is best to consult a medical professional for proper diagnosis and treatment.