Cold Sores - Symptoms, Causes, and Doctors

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

Symptoms-

Small fluid-filled blisters along the border of the lips

Blisters may merge and burst

Dehydration

Difficulty swallowing

Fever

Headache

Itching, burning, or tingling sensation around their lips

Lip swelling

Mouth or tongue pain

Muscle aches

Nausea

Painful eroded gums

Sore throat

Swollen lymph nodes

Causes-
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

Burns

Cancer chemotherapy

Eczema

HIV/AIDS

Specialists to visit
Pediatrician
Dermatologist

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References
https://en.wikipedia.org
https://www.mayoclinic.org
https://www.healthline.com
https://www.webmd.com
https://www.medicalnewstoday.com
https://www.nhs.uk
https://www.healthdirect.gov.au