![]() However, you may want to consider some additional treatments. If you find freezing your cold sore with regular ice (not dry ice!) helpful, it's a safe method to use with the proper precautions. ![]() Ice, of course, has its limitations in treating cold sores. However, dry ice is far too cold to use on your skin and will injure you.Įven just holding dry ice in your hand can cause ice burn, so applying it to skin already suffering from a cold sore is certainly not advisable. It makes sense that people wonder whether dry ice would be good for freezing a cold sore. Dry ice is used for overnight shipping of cold foods and in fog machines at theaters and concerts. Dry Ice for Cold Sores?ĭry ice is the solid form of carbon dioxide and is available for purchase by the pound at most grocery stores. If you're curious about using liquid nitrogen to freeze a cold sore, talk to your doctor or dentist to see if this could be a treatment option for you. While freezing a cold sore with liquid nitrogen offers some promise, this therapy can be dangerous without medical supervision and should not be attempted at home. One study showed that recovery from cold sores occurred within 24-48 hours when patients received cryotherapy within three days of cold sore blister formation. Liquid Nitrogen for Cold Sores?Ĭryotherapy, also called cold therapy, with liquid nitrogen has been successfully used for freezing cold sores. Some people have experimented with liquid nitrogen and dry ice. Ice or a cold pack straight from the freezer aren't the only methods people use for freezing cold sores. For example, simply wrapping ice in a clean towel before applying it to your cold sore protects your skin while still allowing the cold to do its work. You can protect yourself from ice burn by placing a barrier around the freezing object before applying it. It also decreases blood flow to the damaged area.īecause the skin on and around your cold sore is already traumatized, it's important to exercise caution when using a freezing object, like ice, to help with pain or swelling. This causes the water in your skin's cells to freeze, creating damaging, sharp ice crystals within the cells. Ice burn results from prolonged skin contact with a very cold item. Ice can also help reduce the swelling from cold sores and other maladies.īut, counterintuitively, ice can also cause burns. Cold compresses have been a top home remedy that many people turn to for pain relief, for good reason. No one can deny the numbing effect of cold on pain. ![]() There's no doubt about it: Cold sores are painful! And when you're in pain, you'd do almost anything to make that pain go away.īut what about freezing a cold sore? Can that help heal a cold sore, or at least numb the pain a bit? Freezing a Cold Sore: Is Cold Good for Cold Sores? ![]()
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