: they are used to counteract the symptoms of allergies that occur mainly in the nose (stuffy nose or nasal congestion) and eyes (ocular congestion); therefore, they help reduce swelling and the abundant secretions that typically arise during allergic responses. Bronchodilators: they are used mostly in the treatment of allergic asthma to improve the patency of the airways. Corticosteroids: they are used as powerful anti-inflammatories capable of reducing the excessive response of the immune system. They can be used both alone and in combination with other drugs for the treatment of allergies and their symptoms.
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In any case, what are considered as the antiallergic drugs par excellence are antihistamines, as they are capable of interfering with the action of histamine, a nitrogenous substance that plays many roles within the body and is involved in the onset of the manifestations of allergic reactions Below, we will go into more detail.
local or mediator; it is ubiquitous but unevenly distributed; it is found especially (but not exclusively) at the level of mast cells and basophils, skin and mucous membranes (gastric, respiratory) and at the level of the central nervous system or CNS (hypothalamus and nuclei of the base), where it acts as a neurotransmitter.
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