Hay fever, also known as allergic rhinitis, is a common condition that affects millions of people worldwide. In this comprehensive guide, you will discover everything you need to know about hay fever, including the causes, symptoms, diagnosis, treatments, preventive measures, and even new emerging treatments.
What is Hay Fever?
Hay fever is an allergic reaction to allergens such as pollen from grasses, trees, and plants. When these allergens come into contact with the mucous membranes of the nose and eyes, the immune system reacts by releasing histamine and other chemical substances, resulting in typical hay fever symptoms.
Causes of Hay Fever
The onset of hay fever is caused by a complex interaction between genetic predisposition and environmental factors. When allergens enter the body, the immune system identifies them as harmful, leading to an allergic reaction. This reaction causes inflammation and irritation of the mucous membranes, resulting