Allergy to strawberries is common and can cause symptoms such as numbness, tingling, and breathing difficulties. Avoiding strawberries and products with strawberry flavor is the only way to manage the allergy. The allergy is caused by a unique protein found in strawberries and does not extend to other fruits. Strawberry products can be found in surprising places, but they are usually indicated on the label. Artificial strawberry flavoring is safe for those with the allergy. The allergy is not life-threatening, but patients should inform others of their allergy to avoid exposure.
A strawberry allergy is an allergy to certain proteins found in strawberries. When allergic people are exposed to these proteins, they develop numbness and tingling in the mouth, along with other symptoms such as burning lips, intestinal upset and congestion. In some cases, the bronchial tubes can swell and close, causing breathing difficulties and serious health problems. Many people who are allergic to strawberries also get contact dermatitis when they touch strawberries or products with strawberry ingredients, which can make their skin red, swollen and itchy.
Being allergic to strawberries is quite common. Most people know they have a strawberry allergy because they experience symptoms after eating or handling strawberries, and the allergy can be confirmed with allergy testing. The only way to manage an allergy of this type is to avoid eating strawberries and products with strawberry flavor. This allergy does not extend to other fruits and berries, as it involves a protein unique to strawberries.
Strawberries can appear in surprising places. Their leaves are sometimes used in herbal teas and some cosmetics, for example, and strawberry flavoring is used in medicines and skin care products. Shampoo and conditioner may contain strawberry extract, as can air fresheners and laundry detergent. Avoiding strawberry products can get tricky, but strawberries are usually indicated on the label, as they are an expensive ingredient. People with strawberry allergies are safe with artificial strawberry flavoring, as this product lacks the proteins found in real strawberries.
Studies of strawberries and the blood of people allergic to these tasty berries seem to suggest that the protein is similar to that which causes birch pollen allergy. Someone with a birch pollen allergy can develop a strawberry allergy over time. The color red also appears to play a role, as white strawberry cultivars do not cause allergic reactions. White strawberries are also less tasty, and researchers are working on making them tastier so people with these allergies can enjoy these fruits.
In most patients, a strawberry allergy is not life threatening. It can be uncomfortable and irritating, especially when things like strawberry shortcake are served at parties and the patient has to explain that they cannot eat dessert. People with strawberry allergies should try to avoid the berries, however, as a more serious allergic reaction can develop at any time. They should make sure to inform dinner guests and restaurant staff of their allergy, to confirm that they will not be exposed to strawberry protein when dining out.
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