First of all you should take rest for 1-2 days so that your body can fight with underlying infection
with its full immunity and start the below medication:-
take gelesemium 200, twice daily.
Take eupatrium perf 200, 5 drops thrice daily.
Take antifebrinum 3x, 2 tabs, thrice daily.
Take alfavena malt, 1 tsf, thrice daily.
Drink lots of water and take light homemade food like dalia and khichdi, avoid oily, spicy, fried, junk and cold drinks.
does not goes then go for a set of blood tests.
Revert me with feedback. Take care of your health. Good day.