Sad, Sad Day at our House

Sydney was diagnosed with roseola today. She had a high fever and now she has a rash all over and most of all she is SAD. So very sad. I feel terrible for her and it is rough having a little girl that is sad all day. Anyone been through this roseola thing before? Any recommendations? We are on day 6, so we are hoping she is on the mend, but no sign of her feeling better yet. Poor poor Sydney.