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Doctor insights on: What Causes Blood Blisters On Arms

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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

Dr. David Hardin
286 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


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Causes of blood blister on arm?

Causes of blood blister on arm?

Have it looked at: There are many types and causes of blisters. Several types of inflammatory conditions of the skin, allergic reactions, and sometimes bacterial, viral or fungal infections and insect bites can cause blisters on the skin. Have it evaluated by a professional and get the appropriate treatment. ...Read more

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Can IV damage cause recurring blood blister on fingertip w pain & tenderness throughout arm? Years after IV damage was done? This happens evry 6-9 mos

Can IV damage cause recurring blood blister on fingertip w pain & tenderness throughout arm? Years after IV damage was done? This happens evry 6-9 mos

Not likely: IV damage to a vein in the distant past leaves a scarred vein, but wouldn't cause recurring finger tip lesions. It's best to have a physician examine the lesion when they are present and then get his or her advice after the evaluation. ...Read more

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Blood blisters on arms, what could they be?

Blood blisters on arms, what could they be?

Angiomas?: If they really are blood blisters, they are due to trauma. But you might have angiomas, which are little cherry red bumps - basically moles made of blood vessels. They are harmless. But if there is any doubt as to what they are, let a dermatologist look at them personally and give you a precise diagnosis. ...Read more

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Blood bisters appearing on arms. Unbearable, burning, and itching and red blood blisters are appearing all over my arm. No trauma so what is it?

Get seen: Contact your physician and while you are waiting to get seen, if possible stop whatever medications you safely can stop. I am concerned that this is a medication eruption. ...Read more

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Blood bisters appearing on arms. Unbearable, burning, and itching and red blood blisters are appearing all over my arm. No trauma so what is it?

Blood bisters appearing on arms. Unbearable, burning, and itching and red blood blisters are appearing all over my arm. No trauma so what is it?

Have it looked at: There are many types and causes of skin rashes. Several types of inflammatory conditions of the skin, allergic reactions, and sometimes bacterial, viral or fungal infections can cause rashes on the skin. Insect bites can also be the cause of a rash on the skin. Have it evaluated by a professional and get the appropriate treatment. ...Read more

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I have been getting these blood blisters all ovr my legs and arms they go away after a while but they leave these horrible purple marks. What is it?

I have been getting these blood blisters all ovr my legs and arms they go away after a while but they leave these horrible purple marks. What is it?

Get seen now: This is the palpable purpura of vasculitis until proven otherwise. You'll need a check for medication allergy, cryoglobulinemia, chronic hepatitis carrier state, and a bunch of other things. ...Read more

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Diffuse rash across hands, arms, legs & feet for a week. Spots on hands now like small blood blisters (1mm), don't disappear under glass. Feel fine.

Diffuse rash across hands, arms, legs & feet for a week. Spots on hands now like small blood blisters (1mm), don't disappear under glass. Feel fine.

Allergic reaction?: Could be allergic reaction to medicine, food, or result from viral infection. See dermatologist to find out why if it's a real concern. ...Read more

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Why do I bruise easily and get blood blisters when I scratch my arm?

Why do I bruise easily and get blood blisters when I scratch my arm?

Uncertain: Do you have any bleeding disorders, take aspirin or anticoagulant medications? Your physician can check to see if you have problem with bleeding/ clotting. ...Read more

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My whole body is itchy but I get a small bumpy rash lower back inner right arm in between boobs. They are kinda like blood blisters. Please help.

My whole body is itchy but I get a small bumpy rash lower back inner right arm in between boobs. They are kinda like blood blisters. Please help.

Topical HC cream: There many potential answers but if you had this for more than a week, you should consult a dermatologist. In the meanwhile try otc Hydrocortisone cream to see if this helps.
This is the time of the year people tend to itch more from dry skin. Start applying a skin moisturizer immediately after bathing and see if this reduces the itch. ...Read more

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I'm pregnant and have what looks like a blood blister on my arm. It has gotten larger and is now a piece of blood filled skin hanging off my arm.

I'm pregnant and have what looks like a blood blister on my arm. It has gotten larger and is now a piece of blood filled skin hanging off my arm.

Probably hemangioma: This probably represents a growth of blood vessels or dilated capillaries called a demorgans spot. Have it evaluated if it is growing or changing. ...Read more

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What are the causes of a blood blister?

What are the causes of a blood blister?

Pinch: A blood blister is a type of blister that forms when subdermal tissues and blood vessels are damaged without piercing the skin. It consists of a pool of lymph, blood and other body fluids trapped beneath the skin. If punctured, it suppurates a dark fluid. ...Read more

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What causes blood blisters & is it ok to pop them?

What causes blood blisters & is it ok to pop them?

Blood blisters: Blood blisters are a type of blister that is filled with blood rather than the fluid commonly associated with blisters. Blood blisters are caused by a rupture of the blood vessels underneath the skin’s surface. This rupture is usually caused by some form of trauma, such as pinching. ...Read more

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What causes blood blisters on your scrotum?

What causes blood blisters on your scrotum?

BLISTERS ON SCROTUM: Without actually seeing these, they sound like angiokeratomas, harmless lesions that often appear in older men, but can appear at any age.
Also known as fordyce's disease, they do not require treatment. They can be removed very easily by a dermatologist. This can be confused with fabry's disease, a somewhat serious disorder. Do see a dermatologist if they bother you. ...Read more

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What causes little blood blisters to pop up in ur mouth from no where?

What causes little blood blisters to pop up in ur mouth from no where?

Get it evaluated: Two potential reasons: 1) You are dealing with a potential serious drug reaction to something ptrescribed to you (aka. Steven-Johnson syndrome) or 2) It's a diagnosis of something else, potentially from herpes. Either way, get it evaluated! ...Read more

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What causes sudden appearance of tiny blood blister on my eyelids, face and neck?

What causes sudden appearance of tiny blood blister on my eyelids, face and neck?

Petechia: Tiny little blood blisters/petechia can come from high pressure on the body and suffocation. So depending on the extracurricular activity, this may be a result of that! ...Read more

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What are the causes of blood blisters under tragus piercings?

Irritation: Blood blisters most likely result from trauma or rubbing of the ornament on the skin. Infection is a concern if there is pain or swelling and the danger of piercing s close to or through cartilage of the ear is the risk of allowing skin bacteria to get into the cartilage which can produce difficult to treat infections and potential loss of normal cartilage resulting in ear deformities ...Read more

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What would be the cause of a blood blisters on your labia?

What would be the cause of a blood blisters on your labia?

? hemangiomas?: Hemangiomas are often mistakemly called "blood blisters". However something called angiokeratomas can also be possible. Having this examined would help you clarify the diagnosis as there are other things that can present similarly. ...Read more

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I've started getting frequent blood blisters on my tongue, are they just harmless? What causes them?

I've started getting frequent blood blisters on my tongue, are they just harmless? What causes them?

ENT: Not sure what this is, but I would recommend seeing an ear nose and throat specialist for a more complete evaluation. Timing depends on duration of symptoms. Hope this helps! ...Read more

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What causes rid of a blood blister on hand?

What causes rid of a blood blister on hand?

Keep it covered: This is usually caused by a sever pinch to the skin that breaks a small blood vessel under the skin, but does not cut the top layer of skin. A small amount of blood then accumulates under the skin. It will go away with time. You can apply ice to help with any swelling. Keep it covered with a bandaide. Resist the temptation to puncture it with a needle. This could cause an infection. ...Read more

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I woke up w blood blisters on the right side of my mouth, what could have caused that and is it ok?

I woke up w blood blisters on the right side of my mouth, what could have caused that and is it ok?

Pemphigus: Blisters in the mouth, inlcuding those that have blood in them and then go away on their own, might be a sign of what's called vesiculobullous eruptions. They are usually of unknown cause, might be autoimmune, and are difficult to diagnose without a biopsy and special staining techniques by a pathologist familiar with oral lesions like these. ...Read more

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Why do my teeth sometimes stick Uncontrollably into my tongue so hard that it causes blood blisters & pain?

Why do my teeth sometimes stick Uncontrollably into my tongue so hard that it causes blood blisters & pain?

Tongue biting: Most people accidentally bite their tongue while chewing or speaking. Sometimes time it may be very painful and may cause bleeding. You should be careful when you are eating and take your time while chewing. Good luck. ...Read more

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I have a blood blister on my right nipple. I haven't breastfed in almost a year. What else could cause this?

Cherry angioma: Benign. No need to treat. Easy to erase if you wish. We use electrodessicator or sometimes laser. See dermatologist if concerned. Or maybe something pinched you. ...Read more

Dr. Philip Miller
1,737 Doctors shared insights

Blistering (Definition)

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