The nickel allergy is a disorder with many facets, since it involves various symptoms. It is a metal, a sulfate, which creeps in many everyday products, from accessories tap water, but also in many foods, from lentils cocoa, until kiwi and tomato. A allergen sneaky, that in people with allergies may trigger symptoms decidedly unpleasant. So you should be very careful, while also focusing on foods that you can eat and which ones you should avoid.


The symptoms of allergy to nickel more obvious and annoying are dermatitis and pruritus, predominantly affecting the face, the hands and legs. It may appear even sores on the inside of the mouth and gums.
Among the possible atypical symptoms that may occur are the bloating, malaise, a sense of nausea and headaches. If you experience one or more of these abnormalities and disorders, to confirm the diagnosis and detect with certainty the presence of allergy to nickel, you should contact your doctor, allergist, and submit to examinations simple and painless, the patch test.


Foods to avoid and moderate

Nickel can hide in some cosmetics cheap, the jewelry, but also in the pulp and tasty vegetables or packaged foods looking inviting. To avoid any possible risk and ward off the allergic reaction, best to avoid certain foods.

Here are all the foods to avoid: canned foods, asparagus, mushrooms, onions, spinach, tomatoes, beans, lettuce, carrots, whole wheat flour and corn flour, hazelnuts, almonds, peanuts, tea, cocoa, margarine, herring, and oysters. Not eliminate, these are the foods to moderate: cabbage, cucumbers, 00 flour, coffee , olive oil, eggs and fruit.

Foods allowed

In addition to food banned or strongly discouraged, there are also some foods to be eaten without problems, which do not contain nickel and do not put themselves at risk allergy. In the diet of nickel allergy, to keep out the unexpected reaction, best to go with certain foods: green light for the meat, fish, milk, dairy products , cheese and potatoes.

The causes

Speaking of the causes of allergy to nickel , you must specify which has not yet been traced to a certain cause. However, scholars reach out to the genetic hypothesis. The mechanism is similar to that which comes into play in other forms of allergic reactions. In essence, the immune system confuses the allergen, because it would exchange for an agent to be combated, as in the case in which it is a virus or a bacterium. For this gives way to a reaction of contrast , which usually manifests itself with a rash. One type of effect of this kind is manifested at any age. In any case, there is often incurs as a result of repeated exposure. And ‘as if the organism issue an alarm signal, in reference to the limit of toxins that is capable of accepting.


Generally it is thought that there is no cure for nickel allergy or at least that they are not definitive. In fact, there are studies that have shown how it can be helpful to use desensitizing technique. It is essentially implanted in the body of the patient, in a gradual manner, the substances that cause allergic reaction. Within eight or ten months should be achieved an improvement should not be underestimated in terms of reduction of symptoms , at least in 70% of cases.

Scientific research must still name a still many on this method. That’s why there are drug specific. The latter are mainly used to control the symptoms. It is based creams of corticosteroids for topical application and which have a great anti-inflammatory action. The corticosteroids may also be administered orally, especially in the more severe allergic reactions. You can also take the antihistamines .

Cosmetics and tattoos

To avoid nickel allergy, you should also pay attention to cosmetics , especially for eye shadow and mascara, because they are applied in particularly sensitive areas. The nickel should not be one of the ingredients in beauty products. However, there may be traces due to contamination. The latter occur for the use of non-pure ingredients or for the use of tools or containers that release nickel.

Be wary of who indicates the label “nickel free”, as it is not possible to exclude the presence of traces of sulphate, even if in a percentage infinitesimal. In some cases it is used a special test, indicating on the label, but also in relation to all this is to be understood that the allergic reaction is not excluded, is only reduced the risk. Special attention must be implemented by those who want to make a tattoo. In fact we should be aware that some inks used for tattoos contain nickel, consequently it may result in an allergic reaction, even in the case where not imagine.