What cures a cold sore overnight?

Unfortunately, there’s no cure for cold sores, and it can take between two to four weeks for a cold sore to heal on its own.

What are the best ways to get rid of a cold sore?

  • Cold, damp washcloth.
  • Ice or cold compress.
  • Petroleum jelly.
  • Pain relievers, such as ibuprofen and acetaminophen.

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