Allergy symptoms are caused by a substance called histamine, which is produced by the body upon contact with an allergen.
Allergy may be indicated by symptoms such as:
Allergy can later provoke complications such as eczema, bronchial asthma, etc.
Allergy symptoms are similar to those of many other diseases, so in some cases doctors advise patients to undergo additional examinations by narrow specialists to rule out comorbidities.
There are many substances that can cause an allergic reaction. The most common include:
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Food products;
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Dust;
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Animal fur;
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Medications;
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Plant pollen;
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Cosmetics;
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Chemicals;
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Insect bites;
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Mold or fungal spores.
Allergy can also accompany the development of certain infectious diseases — this is called infectious allergy.
It is only possible to correctly identify all allergens with the help of clinical allergy testing. Therefore, self-treatment of allergies is usually ineffective because the person does not know which specific irritant triggers the reaction.
Anaphylactic shock is a severe form of allergic reaction manifested by rapid pulse, elevated blood pressure, difficulty breathing, swelling, or rashes all over the body.