My Son Has Fever Since 8 Days And Also Has

My son has fever since 8 days and also has cold and cough. Issue in taking breathing. Done with tests.He has wbc count more and also respiratory problem. Which medicine is better. Taxim o or clavam forte. My son is 2.6 yrs old. I already started using taxim o. I have given 3 doses already.no improvement. One doctor has suggestd taxim o and another doctor clavam forte