Blisters In The Back Of My Throat Blisters At The Back Of The Throat?

Blisters at the back of the throat? - blisters in the back of my throat

The other day I realized that I have blisters on the back of the neck, it does not hurt, but very few of them. I had a bit of a runny nose, but I have time entered into force ... Who knows what could be the bulbs?