It's possible, there is salt in pickles and if there is salt on the pop corn then that could aggravate the cold sore.
Pickles don't cause cold sores.
Probably not the best thing to use on cold sores, specially if they are around the mouth. That may aggravate your sores. The safest thing to use is over the counter cold sore creams like abreva.
No. Cold sores are from the herpes simplex virus and lemon juice won't help them. Yes, it will burn when you put it on the cold sores, but that is all. I have found that there are over the counter creams that work.
Bactroban is not effective for viral cold sores.
You don't get cold sores from the wind.
Cold sores are very contagious.
Cold sores aren't airborne.
Cold sores are caused by a virus, and polysporin is not active against viruses, so it won't work for cold sores.
They do have cold sores in South America.
You can get cold sores from hsv-2.
Cold sores look like a blister.
Cold sores aren't bad but they can be painful.