New to this..fever blisters?

Hello everyone.  I'm new to allof this, and I am trying to learn all that I can. I just found this site tonight, and already have read alot of good info.  However i havent' seen anything yet on what i was searching for. ...

Cold sores (same as fever blisters) are caused by a virus (herpes). Once you have them it's forever, they do have different meds to help keep them under control, he should talke with his doctor.

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Joan

Abreeva works best for me.its a cream you put on the blister heals it up pretty quick. you can get it at wal-mart are the pharmacy, over the counter.

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Rona

synthroid .088 mg, lowpressor 50 mg x 2, cozaar 25mg x2, imdur 30 mg
nitroquick, proventol, plavix 75 mg, protonix 40 mg x 2, asacal 400mg x 9
carafate 1 gm x 4, zyrtec 10 mg, rhinocort aqua nose spray, fish oil,
potassium.

thank yall for the comments.. I know what fever blisters are.. but I guess let me ask the question again, in a different way. Does anyone else have this problem, and what have you done about it? When he is off his meds for the U.C. he doesn't get a fever blister.. but when he takes the meds... seems like he gets them so easy and it takes forever for them to heal.
As far as him asking his doctor... he is incarcerated.. so the medical system there is a joke... I'm just trying to do anything that I can to help find out something on this for him, in hopes that I can come across something that might help. thanks ahead of time for any advice or pointers anyone might have.

I do seem to get them in bouts.  And I started noticing them more after starting my 6mp regimen.  We will see if remi will also cause an increase.  Defiinetly something to ask the doctor about.  I also second the abreva!

love  to all

bob 

What medication is he on that may be causing this? Does he take a steroid? If so, steroids lowers the resistance to virus/infections which can be causing him to blister out.

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thank you Bob... as we kept wondering if he was the only one going through this.