Same. Other substances too. A couple days ago I switched from white wine to red at dinnertime and my fresh mosquito bites immediately started itching when befor

Same. Other substances too. A couple days ago I switched from white wine to red at dinnertime and my fresh mosquito bites immediately started itching when before that I didn't notice them as much. It's not hard to believe that immune responses (allergic reactions being one end of that spectrum) are affected by the body's response to ingested substances. Especially given how strongly the gut microbiota affect blood chemistry.