An allergic response to peanuts usually occurs within minutes after exposure. Peanut allergy signs and symptoms can include:  Skin reactions, such as hives, redness or swelling Itching or tingling in or around the mouth and throat Digestive problems, such as diarrhea, stomach cramps, nausea or vomiting Tightening of the throat Shortness of breath or wheezing Runny nose  Anaphylaxis: A life-threatening reaction Peanut allergy is the most common cause of food-induced anaphylaxis, a medical emergency that requires treatment with an epinephrine (adrenaline) autoinjector (EpiPen, Auvi-Q, others) and a trip to the emergency room. Anaphylaxis signs and symptoms can include:  Constriction of airways Swelling of the throat that makes it difficult to breathe A severe drop in blood pressure (shock) Rapid pulse Dizziness, lightheadedness or loss of consciousness 
allergic response peanuts occurs minutes exposure  peanut allergy signs symptoms can include:  skin reactions  hives  redness swelling itching tingling mouth throat digestive problems  diarrhea  stomach cramps  nausea vomiting tightening throat shortness breath wheezing runny nose  anaphylaxis: life-threatening reaction peanut allergy common cause food-induced anaphylaxis  medical emergency requires treatment epinephrine (adrenaline) autoinjector (epipen  auvi-q  others) trip emergency room  anaphylaxis signs symptoms can include:  constriction airways swelling throat makes difficult breathe severe drop blood pressure (shock) rapid pulse dizziness  lightheadedness loss consciousness 
peanut allergy