Allergies to nightshade plants are considered very rare. Allergies are caused by glycoalkaloids, a compound naturally produced by all nightshade plants. This is a natural pesticide that helps the plant fight against pathogens, such as bacteria. It can also stimulate an immune response in people.
Is a nightshade allergy rare?
An allergy to these alkaloids is rare, but it can sometimes occur. Most people suffer no ill effects from eating the alkaloids in nightshade foods. Humans consume tiny amounts of these alkaloids relative to body size.
How do you know if you have nightshade intolerance?
Symptoms of a nightshade allergy include congestion, skin rash, itching, redness, and digestive problems. Food allergies are diagnosed with a skin prick test or blood allergy test. They are treated by avoiding the allergen and medications to reduce the immune response.
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