Hi there I have always been prone to coldsores expecially at this time of year with viruses etc flying about. But I have a particularly bad mouth with them just now. Have a about 4 and look like I have been smacked in the face. Is very painful and uncomfortable and for the first time ever I have had to take piriton to releive symptoms. Does anyone have any advice, have used over the counter remedies which sometime work, but not this time. Thanks