There are some simple measures you can exercise to prevent sore throats.
Washing hands regularly
Practicing good hygiene
Avoiding crowded and enclosed areas
Avoiding close contact with sick people
Strengthening your immunity
Avoiding exposure to allergens and irritants
If you’ve already got sore throat, here’s how you can manage it.
Get some rest
Drink plenty of fluids
Humidify the air
Try soothing food and drinks
Gargle with Bactidol
1Wile DB. Hexetidine: A report on its antibacterial and antifungal properties on the oral flora in healthy subjects. Cur. Med. Res. Opin. (1986), p. 12
2Ministry of Health of the Russian Federation Federal State Budget Institution. Study of in vitro antiviral activity of Hexetidine against a number of viruses causing acute respiratory infection. 2014 (Data on File)
3Deryabin PG et. Al. Bulletin of Experimental Biology and Medicine, Vol. 160, No. 3, January 2016 VIROLOGY
4The telegraph. Accessed from http://www.telegraph.co.uk/finance/jobs/8806388/Top-10-causes-of-absenteeism.html . Accessed on 6 May 2016
If symptoms persist, consult your doctor.