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Doctor insights on: Blister On Lip Not Cold Sore

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What is the difference between a lip blister or cold sore?

What is the difference between a lip blister or cold sore?

Blister? / virus: Lip blister could be a burn, having bit your lip and have a salivary gland swollen or possibly some type of chemical burn causing a blister. A cold sore is typically a herpetic virus which will feel feverish, painful and last 10 days to 2 weeks usually. ...Read more

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Mouth (Definition)

Mouth (mouth) " n. Pl. Mouths 1. A. The body opening through which an animal takes in food. B. The cavity lying at the upper end of the alimentary canal, bounded on the outside by the lips and inside by the oropharynx and containing in higher vertebrates the tongue, gums, and teeth. C. This cavity regarded as the source of sounds and speech. D. The opening to any cavity or canal ...Read more


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I had a fever because of cold. Then I had chapped lip and I strip off the skin. Tomorrow, there's a pimple like blister on my lip. Is it cold sore?

I had a fever because of cold. Then I had chapped lip and I strip off the skin. Tomorrow, there's a pimple like blister on my lip. Is it cold sore?

Maybe: It could also be related to peeling off the dry skin, like a small abrasion. If it gets worse, or doesn't get better within a week or so, see your doctor for an exam. Hope this helps! ...Read more

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What is the duration of a cold sore or a lip blister?

What is the duration of a cold sore or a lip blister?

2 weeks: They are cause by a virus. The normal time it takes your defense system to knock it out is two weeks. Anti-viral taken a the first sign,, or pro-dermal stage, that tingling sensation, an anti-viral like abreva can help cut the two-week process in half! ...Read more

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Two days ago I hit my lip and since it's been sore and tender. It looks like a blister type thing but I can't tell whether it's a cold sore or not?

Two days ago I hit my lip and since it's been sore and tender. It looks like a blister type thing but I can't tell whether it's a cold sore or not?

Infection: Human bite is source of infection. There are several harmless bacteria's in the mouth as long us our mucosa is intact. Once they get in the wrong place, they become violent and causes infection. In conclusion, first think of infection. ...Read more

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I just got a blister on my lip it doesn't hurt doesn't itch my lips are also extremely chapped I pick/bite them alot Is it a cold sore? Never had one

I just got a blister on my lip it doesn't hurt doesn't itch my lips are also extremely chapped I pick/bite them alot Is it a cold sore? Never had one

Probably not: But might be. Until you somehow stop biting and licking you will continue the problem. Try rubbing in vaseline [Aquaphor] 12 times a day. ...Read more

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Chapped lips all weekend now have a little blister on bottom lip. It feels nothing like a cold sore. Is it just due to chapped lips? Contagious?

Chapped lips all weekend now have a little blister on bottom lip. It feels nothing like a cold sore. Is it just due to chapped lips? Contagious?

Assume cold sore: It is difficult to assess without an exam, but if it is painfull and you have a history of cold sores, you should avoid contact with other parts of your body, especially your eyes or anyone else until it is resolved. If the blister does not resolve or gets worse within a week, you should see your dentist for an exam. ...Read more

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I have little blisters around my lips and it looks a lot like a cold sore. I'm 16,should I go see a doctor? It's my first time having them. Is it bad?

I have little blisters around my lips and it looks a lot like a cold sore. I'm 16,should I go see a doctor? It's my first time having them. Is it bad?

Herpes simplex: Cold sores are caused by the herpes simplex virus. Most cold sores can result on their own but the symptoms can last up to a week and can cause significant discomfort. You can get some Zovirax ointment from the pharmacy or you can visit the doctor to get some antiviral tablets ...Read more

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How can I tell if i have a blister or cold sore on my lower lip or if it is something more serious? It isn't painless but it doesn't hurt all that bad, it's mostly painful to the touch which is difficult because it is right where my bottom lip touches the t

How can I tell if i have a blister or cold sore on my lower lip or if it is something more serious? It isn't painless but it doesn't hurt all that bad, it's mostly painful to the touch which is difficult because it is right where my bottom lip touches the t

Herpes labialis: Fever blisters, cold sores are the common name for herpes labialis. These sores go away without treatment after a week or ten days. The course can be shortened by using OTC medications such as Abreva or prescription antiviral medications. It can be transmitted to others and may reoccur. ...Read more

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What to do if I have a fever blister or cold sore on my lip. How could I have gotten this?

Virus: Cold sores are normally caused by herpes simplex i & most people have this virus living in the nerves of the mouth. Some rarely have outbreaks while others have them more frequently — usually when under stress. Your md or dentist can prescribe medication to help them resolve faster & reduce the outbreaks. ...Read more

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I have an itchy bump on my lip no blister or pain so doesn't resemble a cold sore. What could it be?

I have an itchy bump on my lip no blister or pain so doesn't resemble a cold sore. What could it be?

Itchy lip bump: An itchy, bumpy lip can be many things, but most are not serious. Lip biting can create mucus cysts, the most common bump. ...Read more

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Dark, red blister like patch/spot on my bottom lip. Never had cold sore before so what could this be?

Dark, red blister like patch/spot on my bottom lip. Never had cold sore before so what could this be?

Uncertain: Cold sores are painful liquid filled blisters that can occur on the lips, roof of the mouth or the gums which are usually caused by the herpes simplex virus (HSV-1). Tingling &/or pain can herald the oncoming of cold sore 1 to 2 days prior to eruption. ...Read more

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I woke up with blisters on top of rim of left side of nose, look like blisters I get on lip when I have a cold sore. Help?

I woke up with blisters on top of rim of left side of nose, look like blisters I get on lip when I have a cold sore. Help?

Could be related: Yes what you are seeing on your nose may be a clinical manifestation of herpes. The best thing to do is see for doctor when such an eruption occurs and a culture can be obtained. There are many good topical and oral treatments for herpes to minimize flare-ups. ...Read more

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A cold sore is a single bump on your lip and a herpes blister are two totally different things right? Can a herpes 1 test tell the difference?

A cold sore is a single bump on your lip and a herpes blister are two totally different things right? Can a herpes 1 test tell the difference?

Not different and No: A regular cold sore on the lip is a regular herpes blister or herpes outbreak. They are the same thing. They are quite common in the world's population, and are usually caused by herpes type 1 virus (testing a cold sore for herpes type 1 is not necessary). ...Read more

Dr. Heidi Fowler
1,053 doctors shared insights

Cold Sore (Definition)

Also referred to as fever blisters, cold sores are small, painful fluid-filled blisters that are usually found around the lips. Cold sores are very contagious and can be spread by mouth to mouth contact and can spread to the genitalia and cause genital ...Read more


Dr. Philip Miller
1,734 doctors shared insights

Blistering (Definition)

A blister is a collection of fluid under the epidermis. A blistering rash is one in which ...Read more