Allergies cross: sometimes surprising relationships
Yannick allergic to birch pollen has become sensitive to almonds … Nearly one third of victims of pollen allergies are experiencing the same inconveniences facing some fruit. Allergic to latex, Stephanie can not eat avocado allergy cross … the past several years a significant increase. To better understand these relationships sometimes surprising Doctissimo an update.
When a person is responsive to an allergen (pollen, animals, fruit, etc..), Contact with a body similar to the allergen will cause the same consequences. These allergic reactions without prior sensitization had allergies are called windows.
1. Allergies cross near
It is easily understood that more allergens are derived from plant species nearby, more cross allergies are common.
2. Pollen-pollen
Thus the pollen of several grass family can cause allergic reactions cross:
- Phéole pollen, orchardgrass and ryegrass;
- Pollens of wheat, rye, brome.
3. Food Food
Similarly in case of food allergies, more fruits and / or vegetables may be in the dock. For example, allergies to several oilseeds are relatively frequent. Allergies to milk cow, goat, horse and donkey are often associated, and the substitution of cow’s milk than other mammals is generally not possible. Allergies accumulated several pulses are quite rare. Finally, several cross allergies shellfish originate from the same protein, tropomyosin.
The subjects with pollen allergy are twice as likely to suffer from food allergies. The increase of these phenomena go hand in hand with the boom in food allergies over the last twenty years.Thus, while these cross-pollen-food allergy plants were rare, they have become relatively frequent.
4. Allergies to foods and cross pollen
The associations may appear surprising. Thus, more than half of victims of rhino-conjunctivitis deal with birch pollen, hazel and alder are sensitized to apple, hazelnut and fishing.
Tags: allergies cross, Allergy