What causes fever blisters on the lips?
Fever blister and cold sore outbreaks are usually induced by a variety of physiological, emotional and external forces such as fatigue, health problems, dental surgery, minor skin injuries, hormonal imbalance, physical and emotional stress, and so on. There are different triggering factors for different people, and it is very important to find out which triggers yours to prevent another onset of cold sores. Oral herpes and cold sore symptoms can be quite difficult to manage. To deal with it, it is important to know what causes cold sores to know the means by which one can avoid contracting it or avoid future recurring outbreaks.
