How do you get rid of a lip blister?

Well first thing is DO NOT TOUCH IT. It is just like a pimple and trust me I've had lots of them. If you touch them germs from your hand will go inside the blister and might even get it infected.

Do NOT salty or acidic foods. It irritates it and it eventually becomes bigger.

You can try this Blistex patch. I found it in Whole Foods. It works for inside mouth sores and outside. It really works.

Also try to put olive oil on your lips to keep them soft. Try not to use chapstick because than the next time you go to use it you have the germs from the previous blister. Is you don't touch it, it takes about a week. You usually just wait and they go away. Try to keep your lips wet and avoideating salty,acidic foods