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Doctor insights on: Is A Red Blister Inside My Cheek A Blood Blister Or Cancer

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What may cause a blood blister on palate?

What may cause a blood blister on palate?

Trauma: Usually it is the result of trauma such as rough food (taco chip?), or suction. But if it doesn't disappear within a week -10 days, call your dentist to check it. If it doesn't resolve it might be something more serious. Please follow up on this. ...Read more

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Dr. Barry Rosen
4,310 doctors shared insights

Cancer (Definition)

Cancer is a group of diseases that is characterized by uncontrolled cell growth leading to invasion of surrounding tissues that spread to other parts of the body. Cancer can begin anywhere in the body and is usually related to one or more genetic mutations that allow normal cells to become malignant by interfering with internal cellular control mechanisms, such as programmed cell death or by preventing ...Read more


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I have had a dark red raised bump on my back for about 2 months - looks like a combination of a pimple and blood blister. Could this be skin cancer?

I have had a dark red raised bump on my back for about 2 months -  looks like a combination of a pimple and blood blister. Could this be skin cancer?

Skin lesion: Any lesion on the skin that has increased in size or changed in appearance should be evaluated by your doctor. If it has changed it should be removed. ...Read more

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I have two small dark red blood blisters on my right inner cheeks. I never had them before and i don't remember biting my cheek either. They are not painful at all. Help.

I have two small dark red blood blisters on my right inner cheeks. I never had them before and i don't remember biting my cheek either. They are not painful at all. Help.

See a dentist: If the blood blisters resolve in a 2 week period. Most likely you will be fine. If they persist, then have your dentist look at them. You probably got them from biting or from eating sharp/hard foods. ...Read more

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I have a mole on my back that has started bleeding on its own, it's now formed what looks like a blood blister over it, could it be cancer?

I have a mole on my back that has started bleeding on its own, it's now formed what looks like a blood blister over it, could it be cancer?

Go to see derm: You should go to see a dermaologist and have that mole removed. Bleeding on the mole by itself would be one of the symptoms of cancerous mole. Make an appointment as soon as possible and have that mole checked and removed. Don't delay. Good luck. ...Read more

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Help i have what apears to be a blood blister on my lip and i do smoke weed daily its about 1mm should i be concerned about lip cancer or other things?

Help i have what apears to be a blood blister on my lip and i do smoke weed daily its about 1mm should i be concerned about lip cancer or other things?

Cancer: At your age it would be extremely rare to have cancer of the lip. If this lesion persists see your primary care doctor or a dermatologist. If it's inside of your lip an ENT physician may be your route. ...Read more

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Why is there a blood blister on my right cheek inside my mouth?

Why is there a blood blister on my right cheek inside my mouth?

Likely trauma: you may have bitten the area while asleep, or had some mouth trauma which you may not remember. ...Read more

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I noticed a blood blister inside my mouth, left cheek. What are the causes?

I noticed a blood blister inside my mouth, left cheek.  What are the causes?

Blood blister: Blood blisters occurring on the cheek are usually the result of an accidental or unconscious cheek bite. ...Read more

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I found a painless blood blister in mouth on my left cheek, should I worry to much if it's not causing any irritation?

I found a painless blood blister in mouth on my left cheek, should I worry to much if it's not causing any irritation?

NOT: to worry...you probably bit your cheek (unknowingly) If other blood blisters occur check it out with your Dentist..a sharp tooth edge/broken filling may be the culprit! Hope this helps! Dr Z ...Read more

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I have a blood blister inside my left cheek.In last 2 months there have been 4 bb, they poped up and now this new one happened. How to get ride of it?

I have a blood blister inside my left cheek.In last 2 months there have been 4 bb, they poped up and now this new one happened. How to get ride of it?

Buccal lesions: Most of the lesion inside the cheek are from bite trauma. Treatment usually involve excision under local anesthetics. See an ENT doctor. ...Read more

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I have a tiny white lump on the inside of me cheek right beside where I bite my lip. Doesn't hurt What could it be a week ago had a blood blister to?

I have a tiny white lump on the inside of me cheek right beside where I bite my lip. Doesn't hurt What could it be a week ago had a blood blister to?

Scar: this is most likely a healing reaction, in other words, a potential scar. Unfortunately it tempts you to continue to bite the area, both intentionally and unintentionally. If you want it to heal, avoid doing that. A blood blister is a superficial bruise. the tissue was hurt and now it's trying to heal. ...Read more

Dr. David Hardin
277 doctors shared insights

Blood Blister (Definition)

A blood blister forms when skin and small blood vessels are damaged without breaking the skin. Trapped beneath the skin surface is some blood and skin fluid. Blood blisters are commonly caused by accidents in which the skin is pinched by a tool or a heavy weight, or they may occur from constant ...Read more


Dr. Philip Miller
1,710 doctors shared insights

Blistering (Definition)

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