Nightshade allergy list: what to know

Nightshades are plants in the Solanaceae family. Common edible examples include tomatoes, white potatoes, aubergines, and peppers such as bell peppers and chilli peppers. Paprika and chilli powder are made from peppers, so check mixed ingredients as well. Sweet potatoes are not nightshades.

A food allergy involves an immune response and may cause hives, swelling, wheezing, vomiting, or mouth and throat symptoms soon after eating. Food intolerance can cause digestive discomfort without the same immune mechanism. Allergic rhinitis, asthma, pet allergy, or dust-mite allergy do not prove that a nightshade food is responsible.

Write down the exact food, amount, preparation, timing, symptoms, and any exercise or medicine around the meal. Do not remove tomatoes, potatoes, aubergines, and peppers together without professional guidance, because broad restriction can make a balanced diet harder. A clinician may consider a supervised elimination and reintroduction plan or allergy testing; tests must be interpreted alongside the reaction history.

Read Food Allergy for background and ask about ingredients in sauces, spice blends, and prepared foods. Keep any prescribed emergency medicine available and follow your personal action plan.

Call emergency services immediately for trouble breathing, throat or tongue swelling, faintness, collapse, or symptoms affecting more than one body system after eating. These can be features of anaphylaxis. Arrange a non-urgent review for repeated reactions, unexplained hives, or persistent digestive symptoms.

Does my reaction sound like food allergy, intolerance, or another problem? Which food should I avoid while I am assessed? Do I need allergy testing or a supervised food challenge? What emergency plan should I follow if symptoms return?