Is l-lysine effective in treating fever blisters?

Yes. Brief supplementation w lysine 1,000mg orally 3 times a day at onset, can hasten healing.
Not a replacement for Valtrex though.

Related Questions

I have fever blisters in my nose. I'm taking aciclovir and lysine. I feel like the sores are spreading into my sinuses. Not sure what else I can do?

Benefit. You might benefit from using bactroban (mupirocin) ointment. See your dermatologist for treatment and evaluation. Read more...
Get it seen by a doc. Any blister on the nose should be evaluated by a physician, to assess for shingles (varicella) . Called hutchinson's sign, it can signal an ophthalmic herpes zoster eruption , which can render you blind. The reason for this is that the nerve tips on the nose share the nerve that also branches out as the ophthalmic nerve to the eye. Read more...

How would you recommend I cure my fever blisters, fast?

Lemon balm. Melissa officinalis or lemon balm (cream) has been shown in european studies to help expedite healing of cold sores. Read more...

Could you tell me what's the best way to treat fever blisters?

Valtrex (valacyclovir) Melissa officinalis or lemon balm (cream) has been shown in european studies to help expedite healing of cold sores. It can reduce healing time by half. Studies also show that regular use can help v recurrences. Brief supplementation with lysine 1, 000mg orally three times a day at the onset, can also hasten healing. Your physician can prescribe valtrex (valacyclovir). Read more...