Cough
A reflex action to clear the airways, which may be dry or produce mucus.
Note: This page lists possible explanations and is not a diagnosis.
Possible explanations to explore
Viral upper respiratory infection
A common viral infection affecting the nose, throat, and upper airways (common cold type illness).
Influenza (flu)
A viral illness that commonly causes fever, cough, aches, and fatigue.
COVID-19 (possible)
A viral infection that may cause fever, cough, sore throat, and other symptoms.
Pneumonia (possible)
An infection of the lungs that can cause cough, fever, chest pain, and breathing difficulty.
Red flags (seek urgent care)
- Severe breathing difficulty or bluish lips
- Chest pain with breathing and severe worsening illness