A majority of food allergy symptoms have been mild. However, in the US, there have been a majority of episodes of food-induced allergies that are considered life threatening. It would not be wrong to suggest that these have been associated with approximately 150 to 200 deaths per annum. Symptoms would mostly appear within minutes of eating food. In some cases, they could occur hours later.
Common food allergy symptoms
Common symptoms have been inclusive of a tingling feeling in the mouth, skin problems such as generalized itching and flushing, difficulty in breathing, considerable drop in blood pressure, loss of consciousness or dizziness, swelling of the throat and tongue, vomiting, diarrhoea and other stomach disorders such as abdominal cramps.
Accurate Diagnosis Essential
Studies have revealed that more than half of alleged food allergies are not really allergies. It would take more than a couple of tests to determine for sure. Allergists certified by board have been given special training and encompass experience in putting together various pieces of your medical history, personal history and physical examination to come up with a diagnosis. Furthermore, essential guidelines for the diagnosis and management of food allergy provide comprehensive information on what works and what does not work when it comes to food allergy.
Diagnosing the history of information
The foremost thing any doctor would look at when diagnosing food allergy would be your history of symptoms. In case, you think you might have a food allergy, you should keep a written diary with information such as what symptoms you have noticed, after what duration of food consumption have you noticed the symptoms to appear, the duration of symptoms and severity, what did you do to ease symptoms, what did you consume and in what quantity. In addition, you should also consider where the food was processed and prepared.
You should show your diary to your health care provider. At times, the food allergy would be apparent, but follow-up testing would be more important to confirm the diagnosis.