Two 0.07 oz tube of Abreva Docosanol 10 Percent Cream Cold Sore Treatment Fever blister cream contains docosanol 10 percent to shorten the duration of cold sore symptoms Cold sore treatment penetrates deep into skin to tackle cold sores at their source Healing cream shortens duration of tingling, pain, burning and itching associated with cold sores Lip cream for fever blisters packaged in a tube bottle for on the go cold sore treatment Abreva Cream is a nonprescription cold sore medicine that shortens healing time