Cold Sore laser treatment protocol RAU (recurrent aphthous ulcer) cause – Autoimmune. Chrohns, HIV, Bechets. Citrus fruit, trauma, stress, lack of sleep, immune system reactions, deficiency of b12, iron, or folic acid. Hormonal fluctuations. Sodium Lauryl sulfate Cold sore cause = HSV 1 Energy up to .8-1.2W Un-initiated tip. Notice very little change except in […]