Medical Review By: Camila Yepes, PA-C Cold sores, aka fever blisters, are caused by the herpes simplex virus (HSV) — not by colds or fevers. But like colds, they are very contagious. You can spread HSV at any point from the first warning tingle up until the cold sore scab has completely disappeared. It’s even[Read More]
Who’s at Risk of Developing Shingles?
Shingles, also known as herpes zoster, is a viral disease that manifests as a painful skin rash with blisters. It develops when the chicken pox virus reactivates in the body, often for unknown reasons. Anyone who has had chicken pox is at risk for developing shingles. About 20 percent of those who have had chicken[Read More]