Cold Sores
"I&#039;m from the uk and Zovirax cost &pound;6 which is probably $9 for a small little tube, it&#039;s rubbish, felt tingle so went straight to the shop and bought Zovirax, been applying it every 4-5 hours, 3 days later and the cold sore has blistered at side of my mouth,  would of been better using tcp, it burns a bit but it does the job"