Can Potatoes Cause Itchy Nose and Sneezing?
An allergic reaction to potatoes can cause an itchy nose that leads to sneezing. During an allergic reaction, the body produces higher levels of histamine, according to MedlinePlus. Histamine is a chemical in the body that helps defend it from harmful substances, but also causes inflammation in soft tissue. Histamine produced in the sinuses as a result of a potato allergy will cause nasal congestion, a runny nose, sneezing and an itch. AllergiesExplained.com says a potato allergy is uncommon and needs to be diagnosed by a medical doctor.
