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Doctor insights on: First Aid Blood Blister

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Should i clean wound first or apply pressure first?

Should i clean wound first or apply pressure first?

Depends on wound: If there is significant bleeding, pressure first to stop the bleeding. If it is mostly oozing, cleaning the wound with very cool water or saline can be helpful to get bleeding to stop. ...Read more

Dr. David Hardin
284 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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When can you take band aid off of puncture wound after spinal tap?

When can you take band aid off of puncture wound after spinal tap?

Remove a bandaid: I would give it about 12 hours and then remove it - there should NOT be any fluid or blood leaking once you remove the bandaid. IF so - you need to call whoever did the tap. Puncture wounds made with needles heal rapidly ...Read more

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Is it safe to bust a blood blister on a diabetics foot?

Is it safe to bust a blood blister on a diabetics foot?

No, please don't: See your doctor and have your feet evaluated as soon as possible, any open sore can cause a serious infection and should be monitored. ...Read more

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Can drinking a lot of red kool aid turn your urine red?

Can drinking a lot of red kool aid turn your urine red?

Red urine: I am sorry to say that the Kool Aid you ingested did not make your urine turn red, Ask your parents to take you to an ER or physician to have your urine checked to make sure it does not have blood in it. Good luck. ...Read more

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Is the HIV rapid blood test (finger prick) just as accurate as the standard "needle-in-arm" blood test?

Is the HIV rapid blood test (finger prick) just as accurate as the standard "needle-in-arm" blood test?

Rapid HIV testing: Yes. But, remember like the other routine HIV antibody tests, the window of certainty is three to six months after the exposure. If you have a high risk exposure there is other testing that is more accurate early on. In fact accurate from 21 days post exposure. ...Read more

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Used a dental pick NOT MY OWN to take out a splinter.No visible blood but Micro.Dried blood possibly.Pick used 4-6 hrs prior.HIV possibility?

Used a dental pick NOT MY OWN to take out a splinter.No visible blood but Micro.Dried blood possibly.Pick used 4-6 hrs prior.HIV possibility?

No: You're almost a grown woman and you need to be aware that casual contact with surfaces that "just might have a bit of dried blood" won't give you HIV. During the old days when there was no Rx, casual family contacts simply didn't catch the virus. Stop worrying about this stuff. You're too smart to end up paralyzed. ...Read more

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Blood blister on uvula after drinking?

Blood blister on uvula after drinking?

Possibly: Sometimes significant reflux could cause swelling of the uvula, which can definitely happen with alcohol consumption. More likely smoking would injure the uvula. I've seen very angry swelling of the uvula from smoking from a bong. ...Read more

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Which sti's does the first blood tests in pregnancy look for?

Which sti's does the first blood tests in pregnancy look for?

Syphilis and HIV: Also hepatitis b; cervical cultures are also done for gonorrhea and chlamydia (not blood test) with pap test (for human papilloma virus). ...Read more

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Is pulling it out first aid for stings and bites?

Is pulling it out first aid for stings and bites?

Yes: Scrape the stinger with a dull knife. Don't pull with your fingers because you'll squeeze more venom in. ...Read more

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What is this blood blister from friction he's a scaffolder popped up last 24 hrs imagejpeg_2.jpg?

What is this blood blister from friction he's a scaffolder popped up last 24 hrs imagejpeg_2.jpg?

Blood Blister: Apply cold compresses and keep it covered with a sterile dressing,do not try to puncture the blister.You can use local antibiotic cream and keep it covered to prevent infection.For pain can take painkillers like ibuprofen If still get infected see your doctor ...Read more

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Subsequent to a blood transfusion there was some yellow liquid in the blood bag - what's going on?

Subsequent to a blood transfusion there was some yellow liquid in the blood bag - what's going on?

Plasma: Blood is composed of formed elements (red cells, white cells and platelets) and the liquid portion is plasma. During a transfusion of packed red blood cells, there is also some plasma and anticoagulant in the bag, and they separate from the red cells by gravity. This is a normal finding, the color of the plasma is usually yellow. ...Read more

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Can you get HIV from dried blood on a latent needle used to test blood sugars?.

Probably not: The cases in which HIV has been transmitted by needle have been from needles just withdrawn from HIV-positive patients' blood. I would be surprised if drying did not kill this very fragile virus. Having said this, anyone who uses a needle that may be contaminated is playing an extremely unwise game with their health for other reasons. This needs to stop and if applicable, law enforcement notified. ...Read more

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Antibody titers needed for blood when first pregnant?

Antibody titers needed for blood when first pregnant?

Yes: It is standard practice to test both rubella and HIV antibodies early in pregnancy. Typically one also gets an antigen test for hepatitis b, and a test for syphilis (sometimes an antibody test, and other times a different test is used). Additional tests such as a complete blood count, blood type, rh typing, urine analysis are standard as well. See your ob; they'll do the right tests. ...Read more

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First aid for bite on a tongue?

Tongue: Time and salt water. Good news is there is so much vascularization in the tongue that it heals relatively quickly. ...Read more

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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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First aid to lowering high blood pressure and when is it a state of emergency? Presume there are no past conditions known.

First aid to lowering high blood pressure and when is it a state of emergency? Presume there are no past conditions known.

Rarely emergent: It's never good to lower BP fast! it becomes a more urgent issue if there are symptoms present: angina, heart failure, encephalopathy. In that circumstance, gradual reduction in BP over several hours is indicated. ...Read more

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This guy is drinking alcohol and vomiting blood. What would be the first aid response?

This guy is drinking alcohol and vomiting blood. What would be the first aid response?

Emergency: Take away the alcohol, and go to emergency room. Consider getting ambulance transport. ...Read more

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I have small blood blister of sorts on my breast that is about the size of a pencil eraser and slightly raised. I first noticed it a month ago, but it has not healed at all and is easily irritated and sometimes bleeds. I'm not sure if it's something I sho

You may have: a small hemangioma, which is a benign tumor of a tiny blood vessel on the surface of your skin. Or angioma. Or something similar that is irritating you. Please get yourself to a healthcare provider to get properly diagnosed and treated. These things can bleed quite a bit if surgically excised, but sometimes electrocautery helps. ...Read more

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How do I treat a blood blister?

How do I treat a blood blister?

Protect it: An unpopped blister represents a closed sterile environment. Yes on occasion one can become infected then it is time to open it, however the risk of infection in a dressed open wound is still higher than that of an intact blister. The blister will gradually resolve with time. ...Read more

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How can you treat a blood blister?

How can  you treat a blood blister?

Leave or release: If the pressure is unbearable, clean it and a sterile needle with some alcohol and puncture it from the side to release the blood. Do not remove the roof as this will act as a natural dressing until the skin underneath heals and pushes this dead skin off. I recommend aquaphor and a bandage for 24 hrs after puncturing. And do not touch it if you are diabetic and it is on your foot - get checked. ...Read more

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Tiny blood blister bite, what from?

Sorry, can't tell : You accurately what this is from. Too many bites have similar description. If you develop swelling, heat, tenderness, pus, or red streaks please seek medical attention. ...Read more

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What should I do to cover a blood blister?

Nothing fancy: A protective dressing. In most cases just a band aid will suffice. ...Read more

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Could popping a blood blister hurt?

Could popping a blood blister hurt?

Yes: Not a good idea to pop the blood blister. Infection could be a real consequence. Protect it from further injury and allow it to heal over time. ...Read more

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Can blood blister come from bug bites?

Can blood blister come from bug bites?

Yes: A blood blister is a small amount of bleeding under the skin. If you are scratching yourself from the bug bite then you could form a blood blister. ...Read more

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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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How to tell if my blood blister is infected?

SImple means: You need to identify why the blister developed and eliminate that problem. Then, the keys are to cover and protect the injured area with dressing changes every other day to allow healing. Remember that inflammation (red, hot, swollen and tender) are important parts of healing and do not necessarily mean infection. If the wound is healing, it cannot be infected. If it gets worse, see a doctor. ...Read more

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Is it normal for a blood blister to keep bleeding?

Is it normal for a blood blister to keep bleeding?

Not usually: Usually they slowly heal and resolve. Continued bleeding can be related to recurrent trauma. Try to stop the bleeding with direct pressure, then protect it from further injury ...Read more

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I have diabetes and I have a blood blister what do I do?

I have diabetes and I have a blood blister what do I do?

Protect it: An unpopped blister represents a closed sterile environment. Yes on occasion one can become infected then it is time to open it, however the risk of infection in a dressed open wound is still higher than that of an intact blister. Protect it well. The blister will gradually resolve with time. ...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

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


First Aid (Definition)

First aid is initial medical care that an injured ...Read more