Cold Sores

About- Cold sores also called fever blisters or herpes labialis are a common viral infection caused by herpes simplex virus which developes tiny, fluid-filled blisters on and around lips.

 Small fluid-filled blisters along the border of the lips
 Blisters may merge and burst
 Difficulty swallowing
 Itching, burning or tingling sensation around ther lips  
 Lip swelling
 Mouth or tongue pain
 Muscle aches
 Painful eroded gums
 Sore throat
 Swollen lymph nodes

Herpes simplex virus (HSV) usually causes cold sores which can be transmitted easily as a result of close contact.

Risk factors
 Anti-rejection drugs for organ transplants
 Cancer chemotherapy

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Cold sores

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