Symptoms of Hazelnut Allergy, How Soon Do They Occur & How is it Treated
About Hazelnut Allergy
One of the most common nut allergies is Hazelnut allergy. Also known as filbert nuts, Hazelnuts resemble acorns when they are enclosed in the shell. Hazelnut allergy can cause any of the various symptoms of food allergies ranging from mild to severe.
What are the Symptoms of Hazelnut Allergy and How Soon Do They Occur?
A person can experience symptoms of Hazelnut Allergy as soon as two hours after consuming hazelnuts or any food item which contains hazelnuts. Common symptoms of Hazelnut Allergy include: eczema or hives, allergic conjunctivitis, nausea, abdominal pain, diarrhea or vomiting, coughing, wheezing, runny nose, angioedema and even anaphylaxis.
What is the Relationship Between Birch Pollen Allergy and Hazelnut Allergy?
Oral allergy syndrome (OAS) is a type of food allergy where individuals who are sensitive to certain types of pollen also are sensitive to specific foods which are associated with these pollens. Many people having birch pollen allergies will have sensitivity to hazelnuts.
What are the Symptoms of Hazelnut Oral Allergy Syndrome?
Symptoms of hazelnut oral allergy syndrome commonly consist of tingling, swelling or itching of the lips, throat and tongue. Over-the-counter antihistamines can be used to treat these symptoms; however, patients with this type of condition need to be kept under observation for a few hours even after taking an antihistamine to make sure that there is no further development of serious allergic symptoms.
Sometimes, some people having oral allergy syndrome can experience more severe reactions consisting of rashes, delayed gastrointestinal symptoms such as diarrhea, abdominal cramps; and very rarely anaphylaxis. In case of severe, full-body reaction, epinephrine is needed for immediate treatment.
How is Hazelnut Allergy Treated?
As of now, there has been no cure found for hazelnut allergy. Treatment of hazelnut allergy comprises of managing the allergy symptoms and making sure that they do not worsen. Antihistamines are prescribed for mild cases of hazelnut allergy and in severe cases, epinephrine may be needed. Patient is also instructed to avoid hazelnuts in future to avoid allergic reactions to hazelnuts. Some patients may need allergy testing to determine the severity of the allergic reaction to hazelnut and to determine if he/she is also allergic to other nuts.
Do You Need an Epinephrine Auto-Injector in Hazelnut Allergy?
An Epinephrine Auto-Injector may be needed in Hazelnut Allergy in case of a more severe reaction to hazelnuts.
How to Live with Hazelnut Allergy?
Allergy to Nuts including Hazelnuts is one of the eight most common food allergies in America. Food manufacturers are needed to list all their ingredients on their food label in English. Individuals should avoid those food products which mention "Contains: Nuts (hazelnuts)" stringently. When eating out, you won’t have the convenience of reading ingredient list, so you need to talk to the chef or your host/hostess and inform them regarding your hazelnut allergy. One should also learn to identify foods which usually contain nuts in them.