Throat irritation may range from mild to excruciating pain, and this typically affects both sides of the throat. Throat irritation can frequently be traced to sore throat and can occur on only one side, which may sometimes come with additional symptoms.
This article will discuss with you 10 surprising causes of throat irritation.
Tonsillitis  is a condition where there is Inflammation of the tonsils, usually brought on by an infection.
Located behind your tongue in the back of your throat, your tonsils are two spherical balls made of lymphatic tissue, one on each side. Occasionally, tonsillitis affects just one tonsil, resulting in a throat irritation on that side.
Although bacterial infections can also result in tonsillitis, viral infections are typically the cause. Major symptoms of tonsillitis include:
- bad breath
- fever 
- congestion and runny nose
- increased lymph nodes
- red, swollen tonsils with pus-filled regions
- difficulty swallowing
Most viral tonsillitis episodes resolve on their own in three to four days. Pain can be lessened with over-the-counter pain relievers or simple home remedies like gargling salt water.