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How long do fever blisters last?

It varies! What to do for a fever blister is to rub salt on the blister while it’s opened! It’s going to sting somewhat, but it really does work! It helps to dry up the wound and it closes it faster; thus speeding up the healing time! Any Suggestions here?


  1. Nydia Reply:

    Fever blisters generally appear on the outside of the mouth, while canker sores form inside the mouth. These small How Long Does a Fever Last in Children? Source:

  2. Lala Reply:

    They can sometimes last up to 2-3 weeks. It just depends on how stressed the person is.

  3. Letisha Reply:

    There are a few over the counter medications that will help treat fever blisters, or also known as cold soars. Orajel and Nexcare are probably the two most commonly known brands. You can also get a prescription fom your family doctor for a … Source:

  4. Shawnna Reply:

    A fever blister or cold sore is a cluster of bumps around your mouth. It is contagious and can be treated with over the counter medication but not cured. Source:

  5. Casey Reply:

    Fever blisters are caused by the virus herpes simplex. They are contagious and can be spread through kissing. There are two types of herpes simplex viruses, type 1 is associated with fever blisters and type 2 causes genital herpes. Source:

  6. Genie Reply:

    i got a lot of little burning fever blisters for a? i try abreva and doen long time what is it’t work i try some other over the counter medication. but they don’t work because

  7. Tyesha Reply:

    Its probably a canker sore! Try mixing salt into water and swishing it around your mouth for about 60 seconds! Repeat this a couple times a day for optimal effects! A couple of spoonfuls of salt works best, but if you cant handle it try one of those numbing creams you can buy at drug stores! If it is a cold sore, you should probably see your doctor so he can prescribe some anti-virals! Various home remedies also work, including ice, hydrogen peroxide, tea bags, nail polish remover, and of course lysine tablets! As always, these remedies work best when applied at the first sign of an outbreak!

  8. Christal Reply:

    How long does a fever blister last? A fever blister will last about 2 weeks. How long does scarlet fever last? About six to nine days. How long should a fever last ?

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