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Doctor insights on: Pimple Like Bums On My Knees

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Caleb keeps getting a bump on his knee, like a pimple , eventually it pops but is very painful. What could this be? What is the best way to treat?

Caleb keeps getting a bump on his knee, like a pimple , eventually it pops but is very painful. What could this be? What is the best way to treat?

Maybe a boil: Some people go through phases where they get recurrent staphylococcal infections. It may be helpful to see the doctor when it is ready to pop to get a culture. There is a prescription bactroban (mupirocin) that can be very helpful for such infections but you need to be seen to get it. ...Read more

Dr. J. Lawrence Dohan
2,402 doctors shared insights

Pimples (Definition)

Pimples are a kind of acne, and are a condition where oil gets trapped in a pore of the skin resulting in small area of ...Read more


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Why do get a pimple on my knee?

Why do get a pimple on my knee?

Pimple: Generally speaking, a pimple on the knee is caused by an infected hair follicle. ...Read more

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Grandson has pimple-like outbreak behind one knee. Hard encapsulated. They are painful at times. What could this be?

Grandson has pimple-like outbreak behind one knee. Hard encapsulated. They are painful at times. What could this be?

Possibly boils: Hard, painful pimples suggest a localized skin infection usually caused by the bacteria staph aureus. A possible reason it is behind the knee is that your grandson may have eczema which is often behind the knee and makes one more susceptible to staph infections. ...Read more

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My knee hurts and it has a pimple and it is kind of puffed up a little, why?

My knee hurts and it has a pimple and it is kind of puffed up a little, why?

Could be a sign of: deep infection. See your doctor for an evaluation. Dangerous signs are fever, increased redness at the site and increased pain. ...Read more

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I have a big pimple on my knees. It was painfull at the beginning but now it is not. It is big and white in the centre and has red around it. Help me?

I have a big pimple on my knees. It was painfull at the beginning but now it is not. It is big and white in the centre and has red around it. Help me?

See a doctor: This infection needs to be professionally evaluated. It could become quite dangerous if ot properly managed, and may require a small incision to drain pus, an antibiotic prescription, or both. ...Read more

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I have a 'pimple' on my knee but it's mostly white and looks like there's fluid under it. I shave and thought it was an ingrown hair?

I have a 'pimple' on my knee but it's mostly white and looks like there's fluid under it. I shave and thought it was an ingrown hair?

Cyst: This may represent an Epidermoid cyst. Follow with your PCP or dermatologist and they can remove it if it bothers you! ...Read more

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What can I do for pimples on the knees?

What can I do for pimples on the knees?

Keep clean: If it is from shaving, this is folliculitis. It is treated with good washing and using a clean razor once it has healed. You can wash the skin with rubbing alcohol several times a day to help clean it up. Some people are more prone to this. If it is not going away or worsening, see your family doc or a dermatologist to get an antibiotic to help clear the skin. Get seen to get best treatment. ...Read more

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Why black pimple head is coming in elbow and knees?

Why black pimple head is coming in elbow and knees?

Ingrown hair?: It may a condition called ingrown hair. Ingrown hairs are hairs that have curled around and grown back into your skin instead of rising up from it. Sometimes dead skin can clog up a hair follicle. That forces the hair inside it to grow sideways under the skin, rather than upward and outward. It may look dark because of hair inside. ...Read more

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Red Pimple on back of knee with a small hole in middle of it. Can this be a bite or boil.how can I tell?

Red Pimple on back of knee with a small hole in middle of it. Can this be a bite or boil.how can I tell?

?boil: Hi Joshua 180. If it is a red swelling with a hole in it, (pus?) its probably a boil so put hot compresses on it for few days to accelerate to bursting. A bite usually is of a less angry nature, tends to be more diffuse and takes longer to manifest the signs of acute inflammation being: rubor, tumor, calor, dolor, functio laesa ~ redness, swelling,heat,pain,loss of function! (Pathol 101) :-) thank ...Read more