1. Nausea, vomiting, and/or diarrhea (most common in children)
Warning from www.Flu.gov: “Seek medical treatment if you have difficulty breathing or shortness of breath; purple or blue discoloration of the lips; pain or pressure in the chest or abdomen; sudden dizziness; confusion; severe or persistent vomiting; seizures; and flu-like symptoms that improve but then return with fever and worse cough.”
