Pollen Allergy: The Main Symptoms and Treatments for the Disease in the Spring

The arrival of Spring brings with it the typical symptoms of pollen allergy. Learn how to be able to prevent, identify and treat this problem.

The pollen are grains of minimum size, invisible to the human eye and that are produced by the flowers. The release of these grains, pollination, are responsible for the crises allergic. These are the allergens most important of the external environment and which produce most of the symptoms of pollen allergy.

Its severity depends on each person, the amount of pollen existing in the environment as well as exposure of the person to this. As these factors are variables, all the years the reactions can be different different, becoming more severe when there are higher levels of pollen in the air.

In Portugal, the pollen of the grasses, known as hay, is the main cause of allergic respiratory disorders, finding themselves with greater intensity in the spring and reaching their peak in may and June.

Thus, the word allergic rhinitis is inevitably associated with this problem, since this disease is the most prevalent of all allergic diseases in Portugal, having been progressively increasing over the years.

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The most characteristic symptoms of this problem are consequences of the entry of the pollen in the respiratory tract of an allergic person, which causes your immune system look for to combat this “foreign body” to try to eliminate it. For that are activated cells, liberating histamine, which lead to the appearance of various symptoms.

These are very similar to the symptoms present in a cold or a viral infection. The peculiarity that distinguishes them is the same as the absence of fever.

Begin to affect the upper airways, evolving to:

  • Multiple sneezing;
  • Pingo in the nose;
  • Nasal congestion;
  • Itching of eyes and nose;
  • Watery eyes;
  • Wheezing;
  • Though rare, a dry cough, without expetoração;
  • Asthma.


Firstly, it is important to say that when the clinical symptoms begin, they tend to increase and worsen over the years. However, there is a small percentage (8%), which presents clinical remission spontaneously, leaving the few to have symptoms even without treatment.

The most usual is that the treatment is directed to relieve the symptoms of the patient when the allergy to pollen has already started, or a treatment to prevent the onset of symptoms. Either way, this should be the starting point of a health care professional, ideally a doctor allergologyst, to review the case and consider the best solution, being therefore essential to the medical consultations. In these queries it is also said which the pollen from the avoid, based on specific tests.

The treatment must then resort to taking anti-histamines, either by the oral or nasal, so as to prevent or decrease the symptoms and thus allow to improve the comfort of the patient. In more severe cases, the vaccination can also be an option.

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Despite the ineffectiveness of long-term treatments, the allergy to pollen can be treated in a short space of time. However, the better of that deal when it’s already manifest uncomfortable symptoms and defenses are down, it is the same bet in prevention.

Thus, we can achieve an improvement in our quality of life, without having to close for months in the house to get away from the pollen in the height of spring.

Some of the preventive measures that we need to know:

  • Have a knowledge of the bulletin polinic, given by the Portuguese Network of Aerobiologia, which is available throughout the year and where we can keep track of the forecasts of pollen in the air, as well as the areas with higher intensity, and can thus avoid these locations;
  • Avoid walking outdoors in the early hours of the morning that is when the concentrations of pollen are higher, especially on days with lots of sun and wind;
  • Keep the windows closed, are the windows of your home, car or work. In addition, the use of filters, anti-pollen to the air-conditioning is advised;
  • At home, after walking on the street, change clothes and take a shower;
  • Not to extend the outdoor clothing, using preferably the dryer;
  • Avoid walking in places with many plants and grass, and, as a consequence, to avoid cutting the grass, if that is the case;
  • Outdoor sports should be avoided, or at least well controlled, so that they are not made in hot and windy days, where the dissemination of the pollen is more easily;
  • Perform physical exercise in general;
  • Use sunglasses whenever they are outside, avoided as well the direct contact of the eyes with the allergen.

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