Blog Post Comment
@BenR that's interesting what your allergist said about "gateway allergens". Oral Allergy Syndrome (OAS) symptoms can be worse with high pollen counts, that might've been why you reacted to the tomato sauce like you mentioned. @Sally Raynard welcome to the community! It sounds like a second opinion and allergy testing may be beneficial for you. Both Chronic Idiopathic Urticaria (CIU), also known as Chronic Spontaneous Urticaria (CSU), and OAS can be confusing, especially with limited...