i have a five year old boy, who is on day four of fever between 99.7 to 104.00 pink eye symptoms, ear infection, sour throat. he has also had loose stools for two days, he also has headaches. i have taken him to Dr twice . He is on amoxicillin 400 mg/5 ml s he is taking 9.5 ml twice daily for ten days. He is also taking Tobramycin 0.3% in eyes one drop every 4 hours. also he is taking ibuprofen 7.5 ml every 4 hours , he has been on these meds for four days why is he not better?