14 May 2019 Their incidence has been increasing in recent decades, particularly in developed and developing countries. They are considered diseases of the modern times . Allergies with a major social impact and: Involve high costs Are frequent causes of missing school and work Are often hereditary. On average, one in three Portuguese children suffers or will suffer from allergies. In 80% of cases, the first manifestations occur early in life and are often undervalued, under-diagnosed and under-treated. Allergies are chronic inflammatory diseases . The earlier their diagnosis and treatment, the better the prognosis and quality of life of children and their families. It is essential to recognise the symptoms in order to diagnose and treat the disease properly, since: Asthma that is not treated can become increasingly severe and compromise the development and growth of the bronchial tree, leaving sequelae in the future. Uncontrolled rhinitis can facilitate the onset of asthma. The first manifestations of an allergic disease are usually food-related: Intolerance to the protein in cow's milk is often the first sign. It is followed by intolerance of eggs, fish and nuts. Respiratory symptoms become more prevalent from the age of two or three: Asthma Rhinitis Rhinoconjunctivitis. Domestic mites are the main culprits, followed later by pollen. This article was written with the support of physicians and other clinical professionals from the Hospital da Luz network. The content published in the Health Guide is intended for the general public and is provided for informational and educational purposes only. It does not replace individual medical assessment, diagnosis, or personalized clinical advice from a qualified healthcare professional. The content is produced or reviewed by physicians and other healthcare professionals at Hospital da Luz and is based on the knowledge available at the time of publication or the most recent update, as indicated at the beginning of each item.
