HI Thank for asking to HCM I really appreciate your concern, as you stated here that you have taken the cortisone injection, this is steroid this could some time induces such effects but not always this may happens in very rare condition, and this is nothing to worry about this it is self limiting symptoms no matter it is due to cortisone or any thing else, your another condition of Crohn s disease and the infusion for this nothing to take any thing with the sore throat hope this information helps you, have nice day.