The primary culprit behind fever blisters is the herpes simplex virus, specifically HSV-1. This highly contagious virus is easily transmitted through close personal contact, such as kissing or sharing ...

Is it a cold sore or a fever blister? You have a tiny, clear, and fluid-filled blister or group of blisters on your lip, it might itch, tingle, or burn. Is it a cold sore or fever blister? Technically ...

Fever blisters, also known as cold sores, are a common annoyance caused by the herpes simplex virus (HSV-1). These clusters of small, fluid-filled blisters typically appear on the lips or around the ...

A cold sore is a painful blister that appears on the outside of the mouth close to or on the lips. Also known as fever blisters, cold sores develop due to herpes simplex virus type 1 (HSV-1) ...

Itchy bumps filled with clear liquid may be blisters. Blisters have many possible causes, such as an injury, eczema, allergies, infections, and more. Treatment may depend on the cause, and home ...

You may be tempted to pop a blister, particularly one that's itchy or painful. But in many cases, the fluid that accumulates under a blister (and makes you want to pop it) aids healing. So, the answer ...