what you describe could easily be the herpes virus is not uncommon for viruses to travel the nerve pathways between the nose and mouth. Allergy pills, antihistamines to dry, the bubbles that open sores generally heal a little faster .... Morphine inhibited the number of households that you have to heal, but not herpes, just live with it. It is infected with a virus in childhood, where it causes chickenpox, the virus that causes chickenpox. Dormant in the nervous system until something forces them to become active, and many things can trigger. Caution, if you touch your face as his nose, then touched his genitals while washing, you can transfer the virus to mutate into sex when genital herpes. So do not blow your nose while sitting on the toilet, and wipe themselves. Always wash your hands after you touch your face.