In an additional study, lemon balm was shown to be effective at treating cold sores if applied during early stages of the infection. It can help to reduce redness and swelling within a couple of days.

Diagnosed by medical professional Often requires lab test or imaging Can last several days or weeks Transmitted through direct contact Stages of cold sores: ...

Similarly, there are over-the-counter creams to reduce the severity of a cold sore in its early stages. In terms of natural cold sore soothing topical treatments, Shand suggests applying ice to ...