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Comparing Symptoms of Three Respiratory Diseases: Similar Early Signs but Different Warning Signals

Society09 Sep 2026 13:00 GMT+7

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Comparing Symptoms of Three Respiratory Diseases: Similar Early Signs but Different Warning Signals

"Department of Disease Control" Comparing symptoms of three respiratory diseases "Influenza / COVID-19 / Pneumonia" Early symptoms are similar, but warning signs differ


FacebookRatchaburi Provincial Public Health Office Region 5, Department of Disease ControlThey posted an image with a message: How to distinguish among three serious respiratory diseases with similar symptoms? Ratchaburi Provincial Public Health Office Region 5 invites everyone to check the symptoms of these three common respiratory illnesses, which start similarly but have distinct warning signs.

1. Influenza (Influenza)

  • Basic symptoms include high fever, headache, cough, and runny nose.
  • Key sign: severe muscle and body aches.

2. COVID-19 (COVID-19)

  • Basic symptoms include fever, cough, sore throat, and runny nose.
  • Key sign: loss of smell and taste (some cases may be asymptomatic but still contagious).

3. Pneumonia (Pneumonia)

  • This is a serious complication. Basic symptoms include high fever, cough, and rapid breathing.
  • Key signs: shortness of breath, difficulty breathing, or chest pain/tightness. (For young children, watch for chest indrawing, lethargy, or refusal to breastfeed or drink fluids.)

Most importantly, if you or someone close experiences severe symptoms, difficulty breathing, or no improvement, see a doctor immediately without delay.

Thanks to Facebook page of Ratchaburi Provincial Public Health Office Region 5, Department of Disease Control