Version July 2025
| Foodstuff | Comments |
| Additives | E100-E1518, preservatives or artificial colors, gelling agents, thickening matter, humectant, emulsifiers, flavor potentiators, antioxidants, separating agents, sweeteners, baking agents, modified starches, foaming agents, stabilizers, flavoring agents. |
| Spices and herbs | Salt and chives allowed. Avoid all others. |
| Egg products | Eggs, pasta made with eggs, cake, biscuits, mayonnaise. |
| Meat and seafood | Smoked meats, seafood. |
| Vegetables | Tomatoes, artichokes, peas, mushrooms, spinach, rhubarb, olives, sweet peppers. |
| Fruit | Fresh fruits, dried fruits, fruit juices. |
| Breads | Breads with additional grains, herbs, or other such added ingredients. Packaged bread is preferable to bakery breads because the ingredients are listed on the label. |
| Miscellaneous, candies | Alcohol, herbal teas, margarine, sesame, potato chips, chewing gum, candy. |
Adopting a diet free of pseudoallergens is an alternative approach to managing chronic spontaneous urticaria. All of the items listed above should be avoided. Patients may eat fresh or deep-frozen forms of any foods that are not listed above, without any additives. Chemical and common names for additives listed by E number above may be found on the Food Standards Agency website.
UpToDate experts rarely suggest that patients with chronic spontaneous urticaria attempt to follow a pseudoallergen-free diet because it is very restrictive. However, there may be patients who are interested in this information.
