Abreva Cold Sore/Fever Blister Treatment (On the Go) Sale! from 2339 /per Qty. Sold Out This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. FDA Approved Cold sore treatment Speeds up healing process of cold sores and blisters Portable, convenient and easy to use on the go pack Qty available:0 Tweet