Tag Archives: diagnosis

Onion allergy: Symptoms, diagnosis, treatment, and more – Medical News Today

When a person is allergic to onions, their immune system reacts as if the onions are a dangerous substance. The result is allergic symptoms that can be severe, such as vomiting, itching, swelling, and difficulty breathing. As onions are a commonly used ingredient in food, they can be difficult to avoid, so it is important… Read More »