Fever, chills, or sweating
Cough, especially with mucus or phlegm
Shortness of breath
Chest pain that worsens when breathing or coughing
Fast breathing
Fast heartbeat
Fatigue or weakness
Loss of appetite
Confusion, especially in older adults
Bluish lips or fingertips
Wheezing
Symptoms that get worse instead of better
See a doctor for a chest exam and possible chest X-ray if these symptoms are present
Seek urgent care if you have severe trouble breathing, severe chest pain, confusion, or bluish lips or face