Many people who have caught the latest strain have described experiencing a "razor blade" sore throat or developing a hoarse voice. Treating a sore throat caused by CovidWhen battling a cough or sore throat, it may be tempting to dash to the chemist and buy a bottle of cough syrup. Generally, cough medicines operate in a variety of ways to help suppress a cough. The NHS recommends treating a sore throat by drinking plenty of fluids and taking a teaspoon of honey. Further guidance on treating a sore throat can be found on the NHS website here.