Can you give me suggestion: I have a fever blister, is there a home remedy?

Remedies. Melissa officinalis or lemon balm (cream) has been shown in european studies to help expedite cold sore healing. It can reduce healing time by 1/2. Studies also show regular use can help v recurrences. Brief supplementation w lysine 1, 000mg orally 3x a day at the onset, can hasten healing.