My 15 year old has had a fever off and on since Wednesday, various other symptoms at different times
Hello Your daughter is having high grade fever with sore throat, headache, nausea, loss of appetite, as all these symptoms are an indication of viral fever or flu. As amoxicillin is not providing relief. In such symptoms give her Tylenol (alternatively ibuprofen) whenever she develops fever, plenty of liquid, water, juice (without ice) and rest. Local antiseptic solution will provide relief in sore throat. Since after Wednesday only 4 days passed, so at least wait for next 4-5 days for complete relief. Still, if fever persist then consult another doctor and get his opinion. Hope this will be useful for you.