Doctor insights on:
Cold Sores Dehydration
Herpes simplex virus: Oral herpes, occurs with symptoms of cold sores or fever blisters, is an infection of the mouth and cause by herpes simplex virus type 1 and type 2. After initial infection, the viruses are transported to the sensory nerve cell bodies, where they become latent and reside lifelong. Upon trigger, these virus then multiplies new virus particles, transport, and releases to the nerve terminal. ...Read moreSee 2 more doctor answers
Virus reactivation: Cold sores are caused by reactivation of a latent ("sleeping") virus in the nerves that supply sensation to the inside of the mouth. This is a "herpes" virus, but is most often not the same virus as the one that causes genital herpes. After contracting the virus from someone else's oral cavity, the virus can be reactivated by various triggers, including a common cold or other stressors. ...Read moreSee 3 more doctor answers
Herpes simplex: Real cold sores, which usually occur on the edge of the lips, are caused by herpes simplex virus. This is contagious by touch, and that is touching anywhere. So if you have active cold sores, you need to practice good handwashing anytime you might have touched the sore. Unfortunately, you can also spread them when you don't even have an active sore, in your saliva. ...Read moreSee 2 more doctor answers
HSV1: Cold sores are painful liquid filled blisters that can occur on the lips, roof of the mouth or the gums which are caused by the herpes simplex virus (hsv-1). An estimated 80% of americans have been exposed to herpes simplex virus type 1. However, not all of those people will get cold sores. It depends on your immune system. ...Read more
Cold sores - HSV1: Yes - cold sores and fever blisters are the same thing and are most commonly caused by HSV-1. Rarely, HSV-2 can cause oral herpes given the increased practices of oral sex compared with decades ago (i.e. the 1950s). You will note STRESS causes these to come out (for example after a fever from another illness), so best to keep stress levels to an absolute minimum. These are infectious to others BTW ...Read more
Yes: An estimated 80% of americans have been exposed to herpes simplex virus type 1. However, not all of those people will get cold sores. It depends on your immune system. Cold sores are painful liquid filled blisters that can occur on the lips, roof of the mouth or the gums which are caused by the herpes simplex virus (hsv-1). Tingling ;/or pain can herald the oncoming of cold sore 1 to 2 days prior. ...Read more
Many differences: Canker sores and cold sores are common disorders of the mouth, irritating millions of americans. Although many people use the terms canker sore and cold sore synonymously, they are different conditions. Cold sores are caused by the herpes virus and are contagious while canker sores cause is unclear and is not considered contagious. ...Read moreSee 2 more doctor answers
Vrus vs. environment: A canker sore or aphthous ulcer usually is caused by stress to movable tissue areas and has a white center surrounded by a reddish area.. The stress could be from food allergy or caused by trauma. A cold sore is caused by the herpes simplex virus and occurs around the lips and could infect the throat and can affect gum tissue as well. ...Read moreSee 1 more doctor answer
Type 1 more common: Cold sores on or near the lips are due to recurrence of herpes type 1 or 2. Herpes viruses, after the initial infection, live in a person's nerves and travel down the nerves to the surface to form blisters that break open, spreading more virus. Type 1 is more common on the lips, and type 2 more common on the genitals. With people engaging in oral sex, either type can be in one or both locations. ...Read moreSee 2 more doctor answers
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