Question: what to do when your 2 year old has the flu?
Answer: Make sure he rests. Your toddler will be more tired than usual. ... 
Get him to drink up. Water, juice, yogurt, electrolyte solutions, and chicken soup are all fine choices to keep him hydrated. ... 
Bring down the fever. ... 
Try something sweet. ... 
Use nasal spray. ... 
Help him breathe easier at night.