Symptoms of being allergic to peanuts Dizziness, lightheadedness or loss of consciousness When to see a doctor Talk to your doctor if you have had any signs or symptoms of peanut allergy. Seek emergency treatment if you have a severe reaction to peanuts, especially if you have any signs or symptoms of anaphylaxis. 1 peanut allergy symptoms 2 A peanut allergy is one of the most common food allergies. About 1 in 50 children in the United States have a peanut allergy. However, about 1 in 5 will outgrow the allergy by adulthood. Peanut allergies can lead to anaphylaxis, a life-threatening symptom of an allergic reaction. If you have a peanut allergy, you need to strictly avoid peanuts. 3 signs of an allergic reaction to food 4 itching or tingling sensations in or around your mouth or throat runny or congested nose nausea In some cases, these mild symptoms are just the beginning of a reaction. It can become more. 5 Symptoms of a peanut allergy include: hives wheezing swelling of the tongue or lips vomiting shortness of breath or breathing difficulties pale or blue coloring of the skin. 6 Causes Diagnosis Peanut allergies are a major cause of severe symptoms in children and adults. Even a tiny amount of peanut protein can set off a severe reaction in allergic individuals. The prevalence of peanut allergies has tripled over the last two decades, with as many as % of children having a confirmed peanut allergy. 7 tomatillo allergy symptoms 8 LTP allergy was previously thought to be confined to people in Mediterranean LTP allergy symptoms can include swelling of the eyes. 9 Some people are allergic to tree nutes and/or peanuts. 10 More What Are Nut Allergies? Nut allergies are when your body’s immune system overreacts to the proteins found in nuts. Your body treats them as a potential threat and tries to fight them off. 11