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what are the causes of cold sores on lips

A 51-year-old member asked:
Dr. Michael Jaindl
36 years experience in ENT and Head and Neck Surgery
Cold sores are...: Ulcers caused by a viral infection. If you have a single ulcer that does not go away you need to be sure it is not a cancer. If you have multiple ulce ... Read More

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A 54-year-old member asked:
Dr. John Leander Po
17 years experience in Infectious Disease
Herpes 1 (HSV-1): Does hsv-1, 2 only cause cold sores, no- other viruses can cause them. However, hsv-1 can "regularly" cause cold sores on lips.
A female asked:
Dr. Robert Kwok
32 years experience in Pediatrics
Lip eczema treatable: After cold sores, persistent chapped lips can be lip eczema, which can be treated like skin eczema, using hydrocortisone cream a few days, plus Vaseli ... Read More
A 23-year-old female asked:
Dr. Hunter Handsfield
52 years experience in Infectious Disease
Oral herpes: Probaby your bf has oral herpes (cold sores). It is always caused by herpes simplex virus, usually type 1 (HSV1). Herpes isn't so easily transmit ... Read More
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A 27-year-old female asked:
Dr. Martin Raff
55 years experience in Infectious Disease
See a doctor: Without examining these there is no way to know what they are, but sometimes herpes lesions do not fully progress to ulceration.
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A 20-year-old female asked:
Dr. Stanley Katz
46 years experience in Dermatology
See dermatologist: possibly could be hsv, but need to check with your doc for advice and eval
A 36-year-old female asked:
Dr. Hunter Handsfield
52 years experience in Infectious Disease
Oral herpes: Oral herpes outbreaks typically occur randomly, but usually no more often than 3-4 times a year. Although they can be triggered by other infections (h ... Read More
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A 17-year-old female asked:
Dr. Stephen Scholand
22 years experience in Infectious Disease
Ouch! HSV-1: You and your boyfriend are infected with HSV-1 or herpes simplex virus type 1. This is the virus that causes 'cold sores' and indeed they can be somew ... Read More
A 56-year-old member asked:
Dr. Richard Davidson
50 years experience in Periodontics
Try lysine: A supplement called lysine suppresses herpes outbreaks in most people. Also avoid whole wheat bread and nuts. Do not take if you have phenylketonuri ... Read More
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A 44-year-old female asked:
Dr. Tarek Hamid
8 years experience in Dentistry
Salivary gland stone: Is the only valid explanation to your symptom , pressure build inside your sublingual salivary gland that it's duct is blocked by a stone, that in tur ... Read More

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