The ongoing flu

So, I think my daughter has the flu now. She is just at the beginning of it, so I'm hoping it won't be as bad as when I had it. She was up all night with a stomach ache. She didn't have a fever but when I give her tylenol, she was feeling better. This morning though, she was shaking like crazy because she was so... cold. It feels like she has a mild fever. Anyway.....I am trying some flu reduce pills to see if it will work but we'll see!