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Doctor insights on: Purple Blister

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My 3 bug bites have turned into a redish purple blister/bruise. Should I be concerned?

My 3 bug bites have turned into a redish purple blister/bruise. Should I be concerned?

Depends: Depends on what kind of "bug" bit you. Symptoms are sometimes normal for some "bugs" but in other cases may turn out to be a serious problem in a few days. See your family physician. ...Read more

Dr. Philip Miller
1,708 doctors shared insights

Blistering (Definition)

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


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Small dark purple blister/canker sore inside of bottom lip. What is it??

Small dark purple blister/canker sore inside of bottom lip. What is it??

Hard to say: could be something simple as a minor injury or small viral outbreak such as canker sore or aphthous ulcer but you need to get in with your dentist to make a proper determination. ...Read more

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Dentist always gives me amoxicillin when take it get purple burning blisters & swelling of eyes& mouth?is this a minor reaction he seem to think so

Dentist always gives me amoxicillin  when take it get purple burning blisters & swelling of  eyes& mouth?is this  a minor reaction he seem to think so

Allergy ?: You may be allergic to the medication. It would be prudent to be tested by an allergist for your sensitivity to the amoxicillin. What might be a minor reaction now could be anaphylactic shock the next time you take it. Your body appears to be telling you something. ...Read more

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I have this spot on my toe. I thought it was a mosquitto bc it itched bad w no color. Now its dark red almost purple. Not a blister. Above nail bed.

I have this spot on my toe. I thought it was a mosquitto bc it itched bad w no color. Now its dark red almost purple. Not a blister. Above nail bed.

Does your dog bite ?: It still could be a bite of some sort. You are seeing a localized inflammatory reaction to a foreign protein possibly being introduced to your toe. There is dilation of the blood vessels and possible sub-dermal bleeding. Warm compresses may speed the resolution of the condition. If there is no improvement soon then it would be best to see your doctor. ...Read more

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I have wounds that will not heal. IDO NOT pick nor scratch.I can c some turning purple like a blood blister underneath when its moist after shower y?

I have wounds that will not heal. IDO NOT pick nor scratch.I can c some turning purple like a blood blister underneath when its moist after shower y?

Wounds: Depending on chronology, distribution, examination and detailed history reccomendations will vary; so if persistent or recurrent be evaluated promptly ...Read more

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I've had an Industrial bar piercing for over a year now. Just recently, the top hole has swollen up blister like and appears bloody and purple. Help?

I've had an Industrial bar piercing for over a year now. Just recently, the top hole has swollen up blister like and appears bloody and purple. Help?

Get it looked at.: The possibilities that come to mind are infection, trauma and/or allergic reaction. Get it seen by a physician ASAP. Go to an urgent care if you can't see your usual physician today. Remove the bar if you can do so safely. Without an exam it's difficult to assess the urgency of your problem but early intervention may prevent a more serious outcome. ...Read more

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After days of hiking, I have a blister that is large, purple, and bulging out from under my toenail. Should I treat it as I would any other blister?

After days of hiking, I have a blister that is large, purple, and bulging out from under my toenail. Should I treat it as I would any other blister?

Getting the liquid: From the blister is what you want to achieve. Sometimes, if you soak the toe squeezing the blister can erupt it, if not with a sterile needle one can lightly and carefully pierce the roof allow the fluid to escape then apply a topical antibiotic bandage. ...Read more

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Purple patch on scrotum very uncomfortable and feels like a blister but very uncomfortable?

Purple patch on scrotum very uncomfortable and feels like a blister but very uncomfortable?

See derm: See your dermatologist for treatment and evaluation. You need to find out the cause of this eruption so you can get the correct treatment. ...Read more

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I have 2 purple bubbles (look like blood blisters) on my anus but not itchy, noticed after going to the loo for the first time in a week?

I have 2 purple bubbles (look like blood blisters) on my anus but not itchy, noticed after going to the loo for the first time in a week?

Possibly Hemorrhoids: A hemorrhoid is a enlarged vein at the anus or in the lower rectum. Internal hemorrhoids are deep to the anus. External hemorrhoids are outside of the anus. A hemorrhoid is a bump that can cause pain, bleeding and may be itchy. A thrombosed hemorrhoid contains a clot which causes redness & ^ pain. ...Read more

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I recently got a really bad sunburn on my legs. I have a few blister and they are now starting to turn purple. What does this mean? What should I do?

I recently got a really bad sunburn on my legs. I have a few blister and they are now starting to turn purple. What does this mean? What should I do?

First degree burn: your sunburn is a first degree burn. Treat with extra oral hydration, tea and juice. Cool wraps to your legs, ice and aloe vera lotion. If you get a fever or vomit, to the urgent care. See your regular doc soon. Use sunblock in the future. Be well. ...Read more