John is a 19-year-old college football player who presents with sneezing, itchy eyes, and nasal congestion that worsens at night. He states that he has a history of asthma, eczema and allergies to pollen. There is also one other person on the football team that has similar symptoms. His vitals are BP 110/70, P 84, R 18, T 100 F.
Write a differential of at least three (3) possible items from the most likely to less likely. For each disease include information about the epidemiology, pathophysiology and briefly argue why this disease fits the presentation and why it might not fit the presentation.