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Sim, é possível desenvolver febre como resultado de uma reação alérgica a medicamentos. Esse tipo de febre é conhecida como febre medicamentosa e pode ocorrer devido a uma reação imunológica desencadeada pelo fármaco.

Os mecanismos pelos quais isso pode acontecer incluem:

Hipersensibilidade do tipo I (reação alérgica clássica): Envolve a liberação de histamina e outros mediadores inflamatórios, podendo causar febre junto com sintomas como urticária, inchaço e dificuldade para respirar.

Hipersensibilidade do tipo III (reação imunocomplexa): Ocorre quando complexos antígeno-anticorpo se depositam nos tecidos, levando a inflamação e febre.

Reação idiossincrática: Algumas pessoas podem desenvolver febre como um efeito adverso inesperado ao medicamento, sem relação com um mecanismo alérgico clássico.

Os medicamentos mais associados à febre medicamentosa incluem antibióticos (como penicilinas e sulfonamidas), anticonvulsivantes, anti-inflamatórios não esteroides (AINEs) e diuréticos.

Se houver suspeita de febre medicamentosa, é importante interromper o uso do medicamento sob orientação médica e buscar atendimento caso ocorram sintomas mais graves, como dificuldade respiratória, inchaço ou erupções cutâneas extensas.

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Byanca Carvalho

Lvl 3
6mo ago

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