My sister has a terrible time with cold sores, when she’s incredibly stressed out they can cover her entire lower lip so I feel for you. Lysine (an amino acid) can help in controlling outbreaks and facilitating healing. My brother has used Lysine supplements to that effect. Also, try to reduce stress, meditating, exercising, proper sleep, yoga, listen to music, have some alone time – whatever you need. If you’re still concerned about frequent, very painful or disruptive outbreaks there are some more methods for dealing with them here. If none of these help you I strongly suggest speaking to your doctor about Valtrex a prescription medication for Herpes.