Our son's 20 allergies are so complex he has to travel to the US for regular treatment

These included dairy, ⁠wheat, ⁠tree nuts, ⁠coconut, seafood, red fish, ⁠pulses and beans, kiwi, sesame, ⁠dogs, cats, horse, ⁠pollen, flaxseed, ⁠chia, poppy seed, buckwheat, millet, peas, chestnut, quinoa, rye, oats and ⁠pumpkin.