Em pacientes em uso de anticoagulantes (orais diretos ou warfarina), infecção de trato respiratório não tratada com antibióticos está associada com aumento de mais de 2 vezes no risco de sangramento nos 0-14 dias seguintes.

Respiratory tract infection and risk of bleeding in oral anticoagulant users: self-controlled case series – The BMJ

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In new research of 1208 oral anticoagulant users, a greater than twofold increase was seen in the risk of major bleeding & clinically relevant non-major bleeding in the 0-14 days after a respiratory tract infection for which no antibiotics were prescribed https://t.co/wMIb2eDBKk

— The BMJ (@bmj_latest) December 21, 2021