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Vitamin D3 for herpes simplex?

I can’t find anything about this by Googling, strangely. I have ocular herpes, which is basically a cold sore in my eye, and for a year and a half it flared up nearly once a month to the point where my cornea is pretty scarred from the constant attack. About 2.5 months ago I started taking large doses of Vitamin D3 because I read in several places that it can protect against colds and flu, and I was pretty paranoid about that swine flu since we go to Disneyland a lot and come in contact with a lot of germs. Well, since I’ve been taking large doses of D I have not had a single herpes flare-up in my eye, nor have I gotten a cold sore on my lip, which was a fairly regular occurrence as well. Has anyone here heard of D being good for staving off herpes simplex? It’s the only connection I can make as to why I may be getting relief, yet, like I said, I can’t find anything that supports this. Perhaps whatever it is in D that staves of cold and flu viruses staves off other viruses as well?


( 15 comments — Leave a comment )
Aug. 24th, 2009 06:55 pm (UTC)
Vitamin D is good for the immune system and other cold viruses, so it would make sense that it works for herpes.

I take Vitamin D every day since reading research that it helped a group of patients in a hospital from getting the flu.
Aug. 24th, 2009 06:58 pm (UTC)
i think the general idea is that vitamin d boosts the immune system, which in turn gives you greater protection against a number of viruses.
Aug. 24th, 2009 07:16 pm (UTC)
Yeah, I'll second the comment about Vitamin D being good for immunity, period.
Aug. 24th, 2009 07:55 pm (UTC)
D seems to be great for all sorts of afflictions, so this doesn't surprise me at all. Lots of research being done on D right now, interesting stuff!
(Deleted comment)
Aug. 25th, 2009 06:15 pm (UTC)
This is good to know! I also have ocular herpes in my right eye, and had such horrible constant flareups as a teenager that it permanently scarred my cornea...right over the pupil, so I was legally blind in that eye. They had me on big doses of acyclovir constantly and every antiviral eyedrop at the time. I also eventually ended up with a cornea transplant.

That cornea transplant has been the most sucktastic thing ever...and didn't help my vision enough to be restored even with correction.

I also get flareups in my nose (random, I know), so I'm pretty excited about this whole vitamin D thing. One good thing is, since the transplant, I have not had a flareup in my eye. So I guess that surgery wasn't a complete waste. :)
Aug. 25th, 2009 07:48 pm (UTC)
I have not run into another person who has this, so it's nice to have some comraderie (but not nice that you have it). Mine is also in my right eye, but above and to the side of my pupil, but the scarring has been so extensive that correction isn't helping much at all. I'm wondering if I'd be considered legally blind in that eye at this point. I'm likely looking at a cornea transplant in the future. I'm sorry yours didn't end up so well. Do you know why it didn't correct your vision?

I get them in my nose, too. I believe this may be how I got it in my eye, perhaps pushing the virus through my tear ducts with use of a neti pot. I also have not had a flare-up in my nose since supplementing with D aside from maybe a bit of soreness for a couple of days in a row, no real eruption.
Aug. 26th, 2009 01:45 am (UTC)
my CAT had this and i gave her vitamin d and L-lysine supplements to combat against it as well as a prescription ointment when she would have a flare up. the D & L-lysine helped soooo much. I also had a ridiculously hard time getting her diagnoses. two visits to the emergency clinic: thought she had scratched her cornea.. until finally her regular vet said - no she has herpes. she then called and yelled at the emergency clinic vets saying that it was so obvious and they should have been able to detect it easily. (I got my money back wooo!) but more importantly my baby kitty didn't have to suffer (as much) anymore and then i knew how to make sure she didn't give it to the other cat - which largely depended on me.
Aug. 26th, 2009 02:07 am (UTC)
My first optometrist misdiagnosed mine as a bacterial infection. Thankfully I was smart enough to go see an opthalmologist when the ointment he gave me for it didn't do anything for it at all.

That's pretty sad that your cat has it. Hopefully it's simplex and not zoster, which can be painful enough to want to die (my opth knew someone with zoster who jumped off a building to end the pain).

L-lysine doesn't do anything for me at all, unfortunately, even when I cut down on arginine. I tried huge doses for several months and the virus just kept erupting.
Aug. 26th, 2009 01:46 am (UTC)
p.s. I am so sorry btw that you are going through this. i know how painful it was for my cat, and cats don't typically show pain. I cannot imagine how much you must be in. :(
Aug. 26th, 2009 02:10 am (UTC)
Thank you. I think I'm feeling worse for your kitty than I am for myself. She's lucky to have you looking out for her. I think a lot of people would have just accepted it was a scratch and let it go at that, sadly.
Feb. 6th, 2010 08:26 pm (UTC)
D3, cancer, herpes oh my!
I stumbled on this discussion looking for a possible link between D3 supplementation and *causing* herpes flareups. That I've not found. About three months ago I started supplementing with D3 for wholly unrelated reasons, started at 5,000IU/day, recently had my blood levels tested (25OH(D) test) and got 51 ng/ml, okay but bottom of the "new" recommended range of 50-80. However, after several years of remission, I've recently had a few herpes flareups, hence my search. However again, I've also recently been diagnosed with a carcinoma (skin cancer) on my tonsil, and will likely be going under the ray beam (radiation) soon.

So! I suppose it's entirely possible that the battle going on in the back of my mouth (and lymph glands) could be stressing my system and leading to the resurgence of herpes outbreaks. I certainly haven't found anyone else attributing increased herpes outbreaks to supplementation with Vitamin D3; much to the contrary.

It's all very interesting.
Feb. 6th, 2010 10:16 pm (UTC)
Re: D3, cancer, herpes oh my!
I'm currently having an outbreak of ocular herpes after 7 months (about how long I've been taking D3) virus-free. There are two things that occurred to me that may have set it off; extreme stress and/or the H1N1 vaccine. My last ophthalmologist insists stress is the main reason for ocular herpes flareups. It does coincide in my case. I also had the H1N1 vaccine just before it happened. I have to wonder if the immune response my body had to the shot triggered the herpes. I get flareups when I have a bad cold or flu, so perhaps to a flu shot?

D3 has also been keeping me cold virus-free when my kids bring home (mostly mild, as they're both supplemented too) cold viruses from school. My 5-year old gets cold sores on his finger (and I'm always so scared he's going to transfer it to his eyes), but hasn't had one since he's been supplemented with D3.

These are all just my observations. I couldn't tell you if they're absolute, but my guess is that it's the D3 helping us battle this stupid virus.

Let me know if you find anything absolute. I'm very interested. BTW, I've heard D3 protects against colon- and other cancers. Perhaps it will assist in the carcinoma battle. Good luck!
Mar. 19th, 2010 04:20 pm (UTC)
Re: D3, cancer, herpes oh my!
I take lysine for oral herpes and since taking lysine 1000mg per day I do not get cold sores, that is until I recently started taking 5000 iu vit. D caplets!
Maybe there is, in fact, a connection to high dose vit. D supplementation and herpes outbreaks? I also used to always get them from sun exposure too. I wonder if the production of vitamin D in the skin can cause herpes eruption? I have read that Vitamin D can cause skin irritation. I wish you the best with your tonsil! Sorry I don't have more useful info.
Sep. 28th, 2010 05:24 am (UTC)
Re: D3, cancer, herpes oh my!
Hi I came across this thread after searching whether Vitamin D3 supplement can "cause" cold sore outbreaks too. I don't remember the last time I had a cold sore, and since I've been taking D3 have had 3 outbreaks in as many months! As D3 has antiviral prpoerties, I am wondering whether it has bought this virus out of it's dormant state to run it's course an order for the body to rid itself of the virus altogether? I am aware that the herpes virus is known to stay in the body forever but I still wonder if high doses of the D3 could actually kill it? Stranger things have happened! The following link is an interview with a german woman regarding D3 studies and it is amazing.


They have discovered that 65 - 95% of the WORLD population is deficient in D3 and explain how important it is for out mental / emotional / and physical bodies. Maybe this is part of the reason the world is going crazy? The other part I suspect, is the chemical's, preservatives, amount of sugar and crap that are in our diets now!
( 15 comments — Leave a comment )

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