So, a cold sore is a small blister filled with fluid around your face. I hope you weren’t eating your lunch. The herpes simplex virus type 1 (HSV-1) causes them. People mostly get cold sores by ...
A wide array of conditions can cause your throat to randomly start hurting, from infections to allergies to acid reflux and, rarely, tumors. Pain is just one symptom of what's typically known as a ...