The Peanut allergy is a distinct kind of food allergy and are different from nut allergies. This particular allergy is type 1 hypersensitivity reaction to the dietary substances related to the peanuts thus causing reaction. It may extend to severe problem if not timely treated. Approximately 0.4-0.6% of the population are affected by it. In the most severe cases the peanut allergies can result in anaphylaxis. This is an emergency situation that requires immediate intervention and treatment with epinephrine.