5year old femaile, vomit 6 days ago, mid grade feve r101-102 , coughing, running nose, loss of appetite, raspy but clear chest,continuous for 5 days. Saw LPN in DR office yesterday said enlarged lymph i nodes in neck and mild ear infection. Tested for RSV, FLU and Step ( all neg) prescribed amoxicillin. Last night fever spiked to 105.8, treated with advil and is down to 103. Should I seek additional medcial advise?