What Causes Soreness And Redness On Left Side Of The Throat?

Hi Doctor,I Have A Throat Problem.The Pain Seem,s Deep At The Base Of My Ear Drum on The Left Side Of My Throat.2 Year,s Ago I Thought I Had,Had A Mini Stroak.So I Went To My G P She Looked Zin My Ear And Said She Thought There Were Blister,s Deep In My Ear.She Called Another Doctor In,They Said It Was Possibly A Ramsey Hunt Syndrum,Or Shingle,s.I Went To The Hospital,They Gave Me A Head Scan,Said They Were Almost Certain It Was,not A Stroke. My Throat Is Alway,s Sore On The Left Side And Red And Ulcer,s.What Do You Think Doctor.