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None. Antibiotics are poisons for killing bacteria, they do not work on a virus, which is the causative organism in cold sores (Herpes Simplex Virus). There are anti-viral medications that can be prescribed to help lessen the cold sore symptoms and duration, however, which are: valcyclovir, acyclovir, and famcyclovir
What else can I help you with?
Does polysporin work on cold sores?
Cold sores are caused by a virus, and polysporin is not active against viruses, so it won't work for cold sores.
Can amoxicillin help a fever blister?
No, cold sores are caused by a virus (Herpes Simplex) and since amoxicillin is an antibiotic, it would have no affect on the virus. Antibiotics only work to kill bacteria, they are not effective against viral infections. There are anti-viral medicines that can be prescribed for and do help relieve cold sores. Ask your doctor if your cold sore could be treated with an anti-viral.
What are some treatments for cold sores, particularly in the winter?
I always had good luck with Abreva as a treatment for cold sores. It does work very well in the winter also. You Doctor will give you the best medication for your cold sores.
Can you use bactroban for cold sores?
Bactroban is not effective for viral cold sores.
Are cold sores airborne?
Cold sores aren't airborne.
Are cold sores contagoues?
Cold sores are very contagious.
Do you get cold sores from the wind?
You don't get cold sores from the wind.
Do they have cold sores in South America?
They do have cold sores in South America.
Are cold sores bad?
Cold sores aren't bad but they can be painful.
What is the appearance of cold sores?
Cold sores look like a blister.
Can you get cold sores from hsv-2?
You can get cold sores from hsv-2.
Why don't antibiotics help fever blisters?
Fever blisters (also called cold sores) are caused by the activation of the herpes simplex virus in the facial nerve. Antibiotics are only effective against bacterial infection.
