POR QUE ALGUMAS PESSOAS TÊM ”ALERGIA” DURANTE OS TREINOS? Por Dr João Lombardi

POR QUE ALGUMAS PESSOAS TÊM ”ALERGIA” DURANTE OS TREINOS? Por Dr João Lombardi

É muito provável que você conheça alguém que tenha ou até mesmo já tenha vivenciado uma reação alérgica durante o treino. Ela se manifesta como uma coceira e vermelhidão que, em alguns momentos, pode inclusive causar um “empelotamento” da pele, geralmente na região do rosto, tronco e dobras. Porém, diferente de outras reações alérgicas, essa se apresenta durante o esforço físico. O nome técnico dessa condição é urticária colinérgica, e a fisiopatologia ainda não é totalmente compreendida. Acredita-se que seja uma resposta exagerada ao neurotransmissor natural do nosso corpo, chamado acetilcolina, em um momento de demanda aumentada do corpo, como o esforço físico. Já a urticária alérgica é causada por uma célula específica da imunidade, chamada mastócito, que secreta uma substância chamada histamina, ou seja, mecanismos diferentes. É importante citar que a urticária colinérgica não é exclusiva do exercício físico e esporte. Mudanças bruscas na temperatura e estresse também são causas conhecidas dessa condição, e possivelmente ela tenha um fator genético. É essencial que o diagnóstico seja feito por um médico, para que a condição seja efetivamente documentada e sejam eliminados os diagnósticos diferenciais. O tratamento envolve tentar controlar os fatores desencadeantes e, quando indicado, o uso de medicação. Apesar de não ser grave na quase totalidade dos casos, a condição pode ser incômoda e atrapalhar os treinos, especialmente em competições. Quem tem essa condição sabe o quanto pode ser desagradável!

Procure sempre um profissional de saúde!

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