Itching or tingling in the mouth
After consuming berries, the individual might feel an uncomfortable sensation of itching or a tingly feeling around mouth area that can also spread to the tongue or throat. This happens due to an allergic reaction to proteins in berries that are similar to those in certain pollen.
Hives or rash
In response to eating berries, the immune system may react by releasing substances that cause itching, inflammation, and redness of the skin. This results in hives or a rash, which might appear within a few minutes or hours after consuming berries.
Swelling of the lips, tongue, or throat
Swelling, also known as edema, is another common reaction to a berry allergy. In severe cases, the lips, tongue, or throat may swell which can obstruct the airways and become life-threatening.
Stomach discomfort
Digestive problems like cramping, vomiting, or diarrhea can occur if the body's immune system sees the proteins in berries as a threat causing an overreaction, and attack these proteins, resulting in gastrointestinal upset.
Shortness of breath
In severe cases, an allergic reaction to berries, also known as anaphylaxis, can affect the respiratory system causing shortness of breath, wheezing, and difficulty breathing. If not treated immediately, it can be life-threatening.
Dizziness or fainting
As a severe symptom of berry allergy, certain individuals may feel lightheaded or faint and may even faint due to a drop in blood pressure caused by a severe allergic reaction known as anaphylaxis.
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