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Doctor insights on: Knee Blister

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Dr. Philip Miller
1,673 doctors shared insights

Blistering (Definition)

Blistering is a bubble of skin filled with fluid. They can occur to excessive rubbing (as with a new pair of ...Read more


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My son woke with a blister type looking thing on his knee this morning. Looks like it was oozing something because fuzz was stuck to it. ?

My son woke with a blister type looking thing on his knee this morning. Looks like it was oozing something because fuzz was stuck to it. ?

Wash and neosporin: It was likely a scrape that boys are prone to get. Wash site gently with soap and water and apply a neosoprin bandaid. ...Read more

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I have a blood blister on my knee that has been there for about 3 months. What should I do to heal it?

I have a blood blister on my knee that has been there for about 3 months. What should I do to heal it?

Blood blister: See a physician--anything not resolving for 3 months needs further expert evaluation, not "cookbook" remedy ...Read more

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I have a blister that has appeared on a scar that that has healed from a scrape on my knee. The incident occurred about a month. Blister is 3 days old

I have a blister that has appeared on a scar that that has healed from a scrape on my knee. The incident occurred about a month. Blister is 3 days old

Check it out!: Either your doctor, a walk-in clinic or a good pharmacist can help determine infection that needs treatment. It would be foolish to risk a blood infection (from a simple scrape.) also, poorly healing small injuries could indicate something beginning to go awry in your body - blood sugar levels, other biochemicals, etc may cause some lab tests & early detection & easier treatment. Good luck. ...Read more

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Itchy small blisters in the back of my left knee ,from 4 days. is it serious ?

Itchy small blisters in the back of my left knee ,from 4 days. is it serious ?

Contact dermatitis?: Do you have poison ivy in your area? Did you come in contact with plastic, metal, or chemicals in that area of your leg? It sounds like your skin may be reacting to something it came in contact with. If it is painful, or has a cloudy pus-like discharge, or you have fever, get seen to rule out infections. Otherwise, wash it well and try hydrocortisone cream 2x/day. ...Read more

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I have 3 decent sized blisters on my right leg near my knee. They have fluid and the skin around it is irritated and gets bigger.

Blisters: Sorry to hear this. Please have someone take you to the nearest Emergency facility. They will either be able to fully take care of you or they may decide - after blood work and xray- to send you to the Hospital for care. Hope all goes well! ...Read more

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Son 8, possibly had untreated strep 4 weeks ago. Has no pain or fever but has pink blister on his knee could it be a beginning of a complication?

Son  8, possibly had untreated strep 4 weeks ago. Has no pain or fever but has pink blister on his knee could it be a beginning of a complication?

Depends...: ...On where the possible strep infection was. If throat, it could also have been viral. A pink blister doesn't sound like any sort of complication, but it could be a new infection, and if it persists you should let your doctor see it, and if necessary culture it. ...Read more