It sounds like herpes. Maybe type 1.
A blister is a small pocket of fluid within the upper layers of the skin, typically caused by forceful rubbing (friction), burning, freezing, chemical exposure or infection. Most blisters are filled with a clear fluid called serum or plasma (aka, "blister water"). However, blisters can be filled with blood (known as blood blisters) or with pus (if they become infected)
Other names for a cold sore are fever blister, oral herpes, labial herpes, herpes labialis, and herpes febrilis.
Yes, a blister beetle is indeed an insect. It belongs to the family Meloidae and is known for its ability to produce a toxic substance called cantharidin, which can cause skin blisters in humans. Blister beetles are typically recognized by their elongated bodies and vibrant colors. They are often found in gardens and fields, where they feed on plants.
Gum boil.
popping it
Blister
Called herpes
A Product called eight by Bonnie.
There may also be blister which will have a lot of fluid. In another type of sun poisoning called solar urticaria, the skin may also itch a lot, become red in color, and then develop into an appearance that is seen in hives sufferers. The skin develops a scaly appearance in patches.
Cashew
They're probably something called Afte, and they're caused by a virus. Not much to do about them, they usually heal within 10-14 days.
You can help alleviate the pain of a canker sore by rinsing your mouth with salt water, applying a small amount of over-the-counter topical treatment, and avoiding irritants like spicy or acidic foods. If the sore persists for more than two weeks or is particularly painful, consult a healthcare professional for further treatment.