May 16, 2026Discover what makes cold sores worse, including stress, diet, and sunlight, and learn effective ways to manage and prevent flare-ups.

May 5, 2026Discover which viruses trigger allodynia, including herpes zoster, herpes simplex, and HIV, and learn when to seek medical advice.

Apr 5, 2026Learn about the risks of kissing someone with a cold sore, symptoms to watch for, and how to prevent spreading the herpes simplex virus (HSV-1).