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 ...

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Herpes simplex virus-1 (HSV-1) reactivation is common among patients with hematologic malignancies. 1,2 Risk factors include mucosal disruption (e.g., after chemotherapy) and neutropenia. 1 The report ...

Waking up with a spot on your lip is never a good feeling. Often cold sores or pimples are to blame, though telling the difference isn't always easy. They can look similar on the surface, but their ...

CHICAGO -- Health officials in the mid-Atlantic region have recently reported a rise in hand, foot and mouth disease, or HFMD. There were 197 emergency department visits related to the disease in ...

We include products we think are useful for our readers. If you buy through links on this page, we may earn a small commission. Here’s our process. Having numb lips or a tingling sensation on the lips ...