Conditions Treated by Dr. Kevin P. O'Brien, MD

• Allergic Rhinitis
• Asthma
• Chronic Sinusitis
• Common Variable Immune Deficiency (CVID)
• Dermatitis
• Dermatitis Due to Substances Taken Internally
• Eczema and Contact Dermatitis Due to Metals
• Hypogammaglobulinemia
• Itchy Skin