The claim
「Coughing long enough turns into pneumonia」
Verdict
MythThe causality is backwards: pneumonia causes coughing, not the reverse. Coughing is protective airway clearing. Watch instead for fast breathing, retractions and lethargy.
Sources
CDC · Centers for Disease Control and Prevention
Centers for Disease Control and Prevention. (2026/02/19). About common cold. https://www.cdc.gov/common-cold/about/index.html
Mechanism source ° · Government / official agency · checked 2026-08-02
° Sources with this mark do not address the claim directly; their content supports the mechanism behind the verdict.

