Recombu Best Lists Health & household Health care Fresh Cold Sore Treatments ...

However, should the immune system become run down, which is more common during the winter, then the virus can reactivate, causing a cold sore. Cold sores typically last for a week or more ...

Cold Sore Discovery IDs Unknown Trigger for Those Annoying Flare-Ups Feb. 28, 2025 — Scientists have a new target to prevent cold sores -- and genital herpes flare-ups caused by the same virus ...