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Doctor insights on: Blister In The Corner Of My Mouth

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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 can't tell if I have three small cuts or cold sore blisters in the corner of my mouth. I had dental work done on that same side of my mouth.

I can't tell if I have three small cuts or cold sore blisters in the corner of my mouth. I had dental work done on that same side of my mouth.

Neither can we: You would have to be seen by a dentist in order to determine what you have and whether or not it's related to your recently dental treatment. It could be accidental abrasions, canker sores of something else. Read more

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I'm having blisters around d corner if my mouth. This occurs often. What causes this & how can I treat it. I also have blisters when I have toothache?

I'm having blisters around d corner if my mouth. This occurs often. What causes this & how can I treat it. I also have blisters when I have toothache?

See a dentist: It is hard to tell you what is causing the blisters but you are looking at some sort of infection. It maybe viral, fungal, or bacterial. The best thing for you to do is see a dentist about this and get the appropriate treatment. Read more

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Zit on the corner of my mouth. It hurts pretty bad. Help? No blisters just feel bumpy.

Zit on the corner of my mouth. It hurts pretty bad. Help? No blisters just feel bumpy.

Warm compresses: Apply warm compresses to this. If the pain seems out of proportion to the lesion that is visible, there is a chance it is MRSA and it should be seen promptly. Read more

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I had some teeth extracted last week. Will a small tear of the corner of my mouth blister up?

I had some teeth extracted last week. Will a small tear of the corner of my mouth blister up?

Usually Not: Most tears in the corner of the mouth heal by themselves, but if still red after a week you should see your dentist and ask if you need topical anti-fungal therapy to apply. Read more

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Since a few months I have a returning sore crack on right corner of my mouth. Could it be herpes even though I never had any blisters? Or what is it?

Since a few months I have a returning sore crack on right corner of my mouth. Could it be herpes even though I never had any blisters? Or what is it?

Get checked: Without a proper exam of the rash it would be difficult to give the best answer. Consider sending us a picture. Testing may be necessary Read more

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I've had a cold; but I have this small, painless bump on the corner of my mouth. I have been tested, I'm STD free. Doesn't look like blister not red?

I've had a cold; but I have this small, painless bump on the corner of my mouth. I have been tested, I'm STD free. Doesn't look like blister not red?

Angular cheilitis: Is inflammation of one or both, of the corners of the mouth. The condition is a bacterial or fungal infection. Stress and weak immune system are a contributory factors. If untreated will take a several weeks to heal. Rec.: see you pcp for the diagnosis and treatment. Read more

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I ve tiny bunch of blisters around near corner of mouth and its growing slowly, please can u advice of possibilities?

I ve tiny bunch of blisters around near corner of mouth and its growing slowly, please can u advice of possibilities?

Two possibilities: It could be infection with a herpes virus; typically hsv 1 which causes oral lesions often times associated with stress, sun exposure or other illnes. Genital herpes which is hsv2, can also cause oral lesions so you should see your doctor for treatment. Angular chelitis can cause inflammation in the corner of your mouth; it can have several causes but moisture that accumulates at night is one. Read more

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I have a dry patch in corner of mouth, it looks lije fever blister, what can I do to heal it?

I have a dry patch in corner of mouth, it looks lije fever blister, what can I do to heal it?

Perleche: Often dry, red or cracked rashes in the corner of the mouth are caused by a yeast infection and is known as perleche. Over-the-counter anti-fungal creams can often help. Fever blisters can occur in the corner of the mouth as well, but are treated with prescription anti-viral medicines. Read more

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Corners of mouth have been dry and burning on and off for three weeks with no redness and no signs of blisters or cracking.

Cheilitis: First make sure you are not on a fad diet that depletes nutrients and vitamins. Cheilitis (lips) and glossitis (tongue) are classic for vitamin deficiency. Take daily multivitamins and supplemental vitamin C 1000mg per day. Apply moisturizing lip balm. If these measures fail, go see a dermatologist. Read more

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Cracks in corners of mouth for a few days. Tried blister, lip balm, vaseline. None have helped and seems like it's made it worse. Help! What do I use?

Two creams: Try mixing an over the counter cortisone cream and anti-fungal cream in equal amounts. Applied at several times a day. If that does not work I would see a dermatologist. Read more

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How to tell difference between fordyces spots and HPV on lip? Tiny white clusters in corner of mouth, across top lip. Painless. Not blisters/oozing

Fordyce granules: You are describing Fordyce granules. Fordyce granules do not usually wax and wane like herpes labialis (aka fever blisters). Herpes labialis has a prodral tingly different sensation on the lips before the blisters form. Herpes labialis forms fluid filled blisters that rupture and takes about 2 weeks to heal. Fordyce granules do no blisterand are not painful. They are simply ectopic sweat glands Read more

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I have what look to be a blister I n right corner of bottom lip. Also my tongue gets sore if I eat any thing spicy, salty, tarty. Dryness of mouth.?

I have what look to be a blister I n right corner of bottom lip. Also my tongue gets sore if I eat any thing spicy, salty, tarty. Dryness of mouth.?

Does sound like it: Dry mouth can cause what you describe. The lip corner is call 'angular cheilosis'. Multiple medication can cause the dry mouth. There are dry mouth substitutes on the market -- biotene is one of the better known. There are prescription products to help with the lip and dry mouth also. Look for a good, caring, dentist. Read more

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Dr. Philip Miller
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Blistering (Definition)

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