Can pneumonia cause a runny nose (rhinorrhea)?

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Last updated: September 16, 2026 • View editorial policy

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A pneumonia tipicamente NÃO causa coriza

A ausência de coriza (nariz escorrendo) é na verdade um sinal sugestivo de pneumonia, não uma característica da doença. Quando um paciente apresenta tosse e sintomas respiratórios COM coriza, isso sugere mais uma infecção viral do trato respiratório superior do que pneumonia 1.

Por que a coriza indica MENOS probabilidade de pneumonia

As diretrizes CHEST de 2019 estabelecem claramente que:

  • A ausência de coriza (junto com presença de dispneia, crepitações, diminuição dos sons respiratórios, taquicardia e febre ≥38°C) é sugestiva de pneumonia 1
  • Quando há coriza presente, isso aponta mais para infecções virais do trato respiratório superior (resfriado comum, gripe) do que para pneumonia

Evidências adicionais

Estudos de pesquisa confirmam este padrão:

  • Em COVID-19, a ausência de coriza e dor de garganta foi associada com maior probabilidade de pneumonia 2
  • Pacientes com pneumonia apresentaram taxas mais baixas de coriza comparados com pacientes sem pneumonia 3

Armadilha clínica importante

Cuidado: No contexto de COVID-19, diferentemente da pneumonia adquirida na comunidade tradicional, a presença de sintomas otorrinolaringológicos (incluindo coriza) NÃO exclui pneumonia 3. Portanto, mesmo com coriza, considere pneumonia por COVID-19 se houver outros sinais de alerta.

Sinais que realmente sugerem pneumonia

Procure por:

  • Tosse
  • Dispneia
  • Dor pleurítica
  • Febre ≥38°C
  • Taquipneia
  • Crepitações ou diminuição dos sons respiratórios à ausculta
  • Ausência de coriza
  • Proteína C-reativa ≥30 mg/L 1

References

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