Conditions Treated by Dr. William S. Erwin Jr., MD

• Acute Pharyngitis
• Asthma
• Atelectasis
• Bronchitis
• COPD (Chronic Obstructive Pulmonary Disease)
• Influenza (Flu)
• Interstitial Lung Disease
• Pleural Effusion
• Pneumonia
• Pneumonitis (Due to Solids or Liquids)
• Pulmonary Embolism
• Respiratory Failure
• Sarcoidosis
• Sleep Apnea