What is the difference between A Food Sensitivity and Food Allergy?
Food allergies and food sensitivities are two very different things. A food allergy triggers an extreme and potentially life-threatening reaction, known as an IgE-mediated immune response, whenever you are exposed to a certain type of food, such as peanuts or strawberries.

1)  Most allergic reactions happen within minutes and can range from mild—think hives or stomach cramping—to severe, such as anaphylaxis, which can impair your breathing, cause a dramatic drop in blood pressure, and affect your heart rate.

2)  Due to the severity of food allergies, you likely already know whether or not you have one.

A food sensitivity, on the other hand, is more difficult to diagnose because it triggers an IgG reaction in your system, which is a delayed immune response. It could take up to 72 hours for symptoms of a food sensitivity to present. The problem with this delayed response is that you likely eat a wide range of foods in the time it takes for symptoms to appear, making it difficult to spot a pattern between the specific foods you eat and your symptoms.

Food sensitivities can produce a wide array of symptoms depending on which area of your body the antibodies attack. So you may not even realize that your skin rashes or joint pain you suffer from regularly are diet-related.