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Yes! And with very great efficacy! It works very well to help heal and shorten the amount of time suffering from a cold sore.

This is false: Erythromycin will not treat a viral infection such as the common cold or flu. This medicine is for bacterial infection only. Check any Med website. I am happy that you cold sore cleared up for you but, it definitely was not because of this medicine. Always, ask your doctor for the correct medicine -- this medicine can be very dangerous to the liver; so only use it as prescribed. Hope this helps.

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Q: Can erythromycin be used on cold sores?
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A stye is a blocked hair follicle and not an infection. Erythromycin in an antibiotic ointment used for an infection, so it would not be helpful in this case. A warm compress will help. Wet a washcloth with warm water and place it over the closed eye for a little bit and it should help.


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