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Doctor insights on: Whitehead Bumps Behind Childs Knee

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Dr. Ed Friedlander
2,177 Doctors shared insights

Acne (Definition)

A very common skin condition that starts as a blockage of the sebaceous glands followed by inflammation. It occurs in areas where there are lots of sebaceous glands, such as the ...Read more


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I woke up with my left knee swollen it hurts n is uncomfortable to move the surrounding areas are fine I see a little bump like a dark pimple what?

Abscess: You may have skin infection going on. The pimple has spread inflammation around and that's what causes pain and swelling. See doc to get it treated. Don't tamper with it yourself. ...Read more

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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

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I have pimple like bumps on my leg below my knee they do not have a head-on them though they arnt itchy only sore to touch please help thanks?

I have pimple like bumps on my leg below my knee they do not have a head-on them though they arnt itchy only sore to touch please help thanks?

Pimple: Unfortunately we cannot dispense any advice to anyone below 16 and since you didn't mention your age, I must assume you are a young minor. Please see your parents and your doctor for your concern. ...Read more

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My baby has a bump looks like a pimple on his left cheek and on the back of his left leg? What could this be?

My baby has a bump looks like a pimple on his left cheek and on the back of his left leg? What could this be?

Depends: How old is your baby? The first few months of life babies can get many different lesions, most of which are considered normal and expected to go away if left alone. If it is red at the base, growing in size/number, appears tender (hurts if touched) then it needs to be evaluated by his doctor. Http://www. Babycenter. Com/101_visual-guide-to-childrens-rashes-and-skin-conditions_10332129.bc ...Read more

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My baby has red pimple like bumps on her arm and leg, they look almost like bug bites. They just appear. What could they be?

My baby has red pimple like bumps on her arm and leg, they look almost like bug bites. They just appear. What could they be?

Newborn rash: If your baby is a newborn, then it's most likely the common newborn rash erythema toxicum. The rash should clear on its own. No treatment is needed. However, there are similar looking rashes that do need medical attention, so check with your baby's doctor.
Here's a link for pic and info: www. Webmd. Com/skin-problems-and-treatments/picture-of-erythema-toxicum-neonatorum. ...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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Having pain behind my knee, is feeling warm and tingly but I don't have any visible bumps?

Having pain behind my knee, is feeling warm and tingly but I don't have any visible bumps?

Injury?: Was there an injury? Is there an effusion, have you seen an md? You need to be evaluated. ...Read more

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I have red bumps with some whiteheads all over my butt and behind my theighs what is this from?

I have red bumps with some whiteheads all over my butt and behind my theighs what is this from?

You can watch: It could be folliculitis (infection of hair follicles), usually due to a bacteria. May get better spontaneously (body immunity control the infection) or some times needs an antibiotic. If you develop fever see a doctor immediately. ...Read more

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Bump behind knee that has no pain, is this a tumor?

Bump behind knee that has no pain, is this a tumor?

Bakers cyst: The main reason for swelling behind the knee is a bakers cyst. Not a serious problem but very uncomfortable. ...Read more

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What could the cause be for a 9 year old child to have little whitehead bumps on his face?

What could the cause be for a 9 year old child to have little whitehead bumps on his face?

Milia: Milk bumps most likely. Avoid trying to open them. They will likely pass. While a resident, I was trained to "ask the grandmother" if you don't know the rash. There is a lot of truth here. ...Read more

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Which is the most effective treatment for molluscus contagiousum in a 4 year old boy (my son has had a few bumps for months behind his knees)?

Which is the most effective treatment for molluscus contagiousum in a 4 year old boy (my son has had a few bumps for months behind his knees)?

No treatment: Molluscum contagiousum is a viral illness, and presuming that he has a normal immune system, should not require any treatment. The lesions will generally go away in about 6 months. They can last longer than that, sometimes for years, though most will clear in a period of months. ...Read more

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Is bump on leg behind knee from pulled muscle?

Is bump on leg behind knee from pulled muscle?

It depends.: It is possible, but it may also be a baker's cyst, which can indicate that there is something structurally wrong within your knee. ...Read more

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I have these little water bumps coming up on my knee, calf, on the middle of my but and behind my arm on my tricep?

I have these little water bumps coming up on my knee, calf, on the middle of my but and behind my arm on my tricep?

See below: Problems like these can only be correctly handled by your doctor in person. He/she needs to listen to you, perform an examination and possibly run labs or other tests. That's the only way he/she can find out what's going on and what to do about it. ...Read more

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(33 wks pregnant) woke up with two bumps on abdomen yesterday, had 2 behind my knee and one on my wrist. Today there are 12 on my abdomen, what is it?

(33 wks pregnant) woke up with two bumps on abdomen yesterday, had 2 behind my knee and one on my wrist. Today there are 12 on my abdomen, what is it?

More info needed: Good morning and thanks for your question. When it comes to dermatologic questions, it's better for us docs to actually see it to give you the best possible info. May want to schedule with your doc to take a look! Congratulations on your soon to be newborn! ...Read more

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Hi im simply askin for help for some problem ive been having behind my knee, it very itchy, red rash like bumps that hurt to and sting, pleasw help!

Wrong forum: You have an acute medical problem that requires the help of your doctor. In person. Health tap is here for education. We clearly state that this is not health care. We do not offer treatment. Please go see your doctor. ...Read more

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I have a 15yr old 6'2" daughter that is complaining about pain behind her left knee that goes up her leg and feels like a cramp. I pressed lightly on the back of her knee and there is a weird sensation like little bumps under the skin and there is a sound

I have a 15yr old 6'2" daughter that is complaining about pain behind her left knee that goes up her leg and feels like a cramp. I pressed lightly on the back of her knee and there is a weird sensation like little bumps under the skin and there is a sound

Doctor can evaluate: A teen with some pain behind the knee, and a weird-feeling "something" there, may have inflammation there (called a baker cyst). Other problems can occur, so a primary care doctor, a sports medicine doctor, or an orthopedic doctor can evaluate. Often with active teens, knee problems show up when sports training increases, when a new sport is started, or new shoes are used, etc... ...Read more

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Sudden appearance of red itchy rash behind my knee, swelling and spreading. I scratched my eyelid and got four bumps there too so its spreading?

Sudden appearance of red itchy rash behind my knee, swelling and spreading. I scratched my eyelid and got four bumps there too so its spreading?

Allergies: Patients with allergies can develop red and itchy skin around the eyes and on the eyelids from allergies. Behind the knees and on the inside part of the elbow too. This skin condition is called allergic dermatitis or allergic eczema. You can use a hypoallergenic cream/lotion: cetaphil or lubriderm and consider contacting your medical doctor about taking allergy pills-such as Claritin (loratadine) or allegra. ...Read more

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Can the blood clot behind my knee dislodge if I hit my shin against shower rail? Slight bruise sz of quarter with with a slight bump. On xarelto 20 mg

Can the blood clot behind my knee dislodge if I hit my shin against shower rail? Slight bruise sz of quarter with with a slight bump. On xarelto 20 mg

Very unlikely: The injury described would be quite unlikely to cause the clot you have to dislodge. The swelling at the site is due to local bleeding from the injury and being on a blood thinner. Elevate the leg, cool compresses to the injury and watch for increased swelling in your calf and lower leg. ...Read more

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What would cause a "pimple/bump/boil" in the crease of your leg? It releases blood then puss?

What would cause a "pimple/bump/boil" in the crease of your leg? It releases blood then puss?

Infection: This is more common with being overweight, excessive sweating and diabetes. Do not squeeze, it may get much bigger. Use hot compresses to bring to a head naturally. If it does not respond oral antibiotics maybe necessary. Your other drugs and any history of drug alleries is very important if you see your doctor. ...Read more

Dr. Suzanne Galli
88 Doctors shared insights

Whiteheads (Definition)

Whiteheads = closed comedon (containing oil, bacteria, skin debris) which is ...Read more