with all your symptom this looks upper respiratory tract
first no need to worry .
as you started antibiotic from yesterday only it will take time at least of 5 days .
1. take antihistamine cetrizine .
2 . take paracetamol
3 , antibiotic for infection
4 . take steam with easy breath capsule 3 times /day .
5 go for nebulization with duolin ( salbutamol
)and budecort( budesonide
) will help in breathing .
6 gargle 3 time very much effective
you will take 5-7 days to cure
for drug dosing consult to your doctor