I had a right sore tonsil about two months ago; it took about 10 to 12 days to disappear, with only home treatment. I only had pain when swallowing, but not a sore throat. The right tonsil did have a white coat on it, and it started to disappear (it looked a bit like tonsil stones). After that, the symptoms and pain resolved. Two months later, when I just brushed my teeth before bed, I noticed the right tonsil was still bigger than the other and had a white coat. I do not have any symptoms. I have read a lot about tonsil cancer and asymmetrical tonsil on the internet, so it scared me. What should I do? I have had streptococcal pharyngitis maybe four to five times in my lifetime, but it was years ago.