Cold sore won't heal, what to do?!

[arabella36]

My brother has had a cold sore for more than a week. It bleeds when he opens his mouth and now there is a little puss (yuck!)

It's too late fir Zovirax I suppose? So what should he do?

TIA for any advice

Sounds like he needs a trip to the doctors for some AB's. If it's pussy, it's infected and could turn into impetigo, if not treated.

agree with maureen, though I originally came on to suggest either tea tree oil or eucalyptus oil put directly onto coldsore (teatree might be best if infected though)

thanks very much, that's helpful