Complete the blanks based on the picture and descriptions!

Source: twitter.com

I am a pediatrician. I had five patients with several illnesses this morning. Here is the data:

1. He has a _______. He ate too much spicy food.
2. She has a _______. She is allergic to pollen.
3. He has a _______. He fell down from the stairs.
4. She has _______. She was infected by a virus.
5. He has a _______. He got caught in the rain yesterday.

What are the illnesses for number 1 - 3?