Nutrition & Remedies Dealing with cold sores How it started? I have been suffering from cold sores lately. This is an infection by the Herpes Simplex Type 1 (HSV-1) virus that causes blisters and painful ulcers on … Click to share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on WhatsApp (Opens in new window)Click to email a link to a friend (Opens in new window)Click to print (Opens in new window)