Best Treatment For Blisters

I am a healthy person. One night, I ate a lot of Hershey kisses and I noticed later, I started having fever and blisters developed in my throat. I took drugs and rested a lot. The fever disappeared, but the bulbs are still there. I can not speak, eat or drink. What is the best treatment for this?

Here's a good website that describes what you might have:

http://www.healthsystem.virginia.edu/UVA ...