Hi,
As per your complain Flu like symptoms like aching body,
sore throat can be due to viral infection however there can be secondary bacterial infection. For confirmation consult an Otolaryngologist or an ENT expert and get evaluated. He can do investigations like Throat swab culture can help in diagnosis.
You can be advised:
-Antibiotics like
Augmentin OR
Azithromycin to resolve the infection.
-Anti-inflammatory painkillers like
Ibuprofen can be taken to relive pain. -Doing warm saline gargles, steam inhalation and using a humidifier in your room can be very much relieving.
-You can also suck throat lozenges to soothe the throat.
-Gargle with numbing mouthwash containing Lignocaine.
-Gargle with antiseptic solution like few drops of Betadine in water.
-Chew
Vitamin C pellets to boost up the immunity.
Hope I have answered your query.
Let me know if I can assist you further.