Conditions Treated by Dr. John B. Hagan, MD

• Allergic Rhinitis
• Angioedema
• Asthma
• Chronic Sinusitis
• Common Variable Immune Deficiency (CVID)
• COPD (Chronic Obstructive Pulmonary Disease)
• Dermatitis
• Deviated Septum
• Eosinophilia
• Hives
• Hypogammaglobulinemia
• Pinkeye (Conjunctivitis)
• Postnasal Drip
• Rash