What is a cause of sorethrot?

Sore throat : Sore throats are mostly caused by bacteria , virus sometimes by a fungus too . Viral sore throats get better by themselves . Bacterial sore throat esp one caused by streptococcus bacteria if not treated can affect heart and kidneys resulting in long term complications. It's safer to get throats swabs done to confirm the cause of sore throat.

Mechanical: trauma, chemical trauma, bacterial infection, viral infection, abnormal tissue growth...