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Doctor insights on: Small Itchy Bumps On Left Knee

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Dr. Doanh Nguyen
632 doctors shared insights

Itchy Rash (Definition)

Most itchy rashes are called eczema or dermatitis. Both are due to ...Read more


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I have a bright red (and itchy!) rash on the back of both my legs, between my butt and knee. It looks like small bug bite like bumps. Not spreading.?

I have a bright red (and itchy!) rash on the back of both my legs, between my butt and knee. It looks like small bug bite like bumps. Not spreading.?

Many causes: Rashes are challenging even when the doctor can see them, so even harder in this forum. Small red bumps on both legs make me think of reactions to clothes, or something in contact with that area on both sides. Bites can do it. It could be heat rash, a reaction of the skin to warmth and occlusion from pressure. Some drug reactions can do that as can conditions like eczema and psoriasis. ...Read more

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I have red itchy bumps on my arms and neck recently changed bed covers what are they from? Also have a cluster of small bumps on knee theyre very red

I have red itchy bumps on my arms and neck recently changed bed covers what are they from?
Also have a cluster of small bumps on knee theyre very red

Hard to say: but one would suspect something from the new bedspread might be the cause- although it may have nothing to do with it at all. If you have put away the new bedspread and continue to have the skin rash more than a week after, consider seeing a dermatologist. In the meanwhile, try topical hydrocortisone cream. ...Read more

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Many bright red and itchy rash on the back of both my legs, between butt and knee. It looks like small bug bite like bumps smeared in a line. Nospread?

Many bright red and itchy rash on the back of both my legs, between butt and knee. It looks like small bug bite like bumps smeared in a line. Nospread?

Many causes: Rashes are challenging even when the doctor can see them, so even harder in this forum. Small red bumps on both legs make me think of reactions to clothes, or something in contact with that area on both sides. Bites can do it. It could be heat rash, a reaction of the skin to warmth and occlusion from pressure. Some drug reactions can do that as can conditions like eczema and psoriasis. ...Read more

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I have tiny itchy bumps little bit reddish in elbow and knees, how can I treat this?

I have tiny itchy bumps little bit reddish in elbow and knees, how can I treat this?

Many possibilities: There are many things that could cause a rash. Several types of inflammatory conditions of the skin, allergic reactions, and sometimes bacterial, viral or fungal infections can cause rashes on the skin. Insect bites can also be the cause of a rash on the skin. Have it evaluated by a professional and get the appropriate treatment. ...Read more

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Itchy bumps on elbows and knees. Why?

Itchy bumps on elbows and knees. Why?

Allerfy? Psoriaisis?: This could represent dermatitis or psoriasis. This could be assocated with food allergy or atopic dermatitis. Try hydrocrotisone over the counter. If not effective see dermatologist for evaluation amd treatment. ...Read more

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I have itchy bumps on elbows and knees. What could it be?

I have itchy bumps on elbows and knees. What could it be?

Rash: Any skin condition is difficult to identify without seeing it or having more history. What does it look like?Is it red?Flad/raised? Etc. It could be that your knees have come into contact with something and is showing an allergic reaction. Could be eczema or psoriasis or skin rashes can sometimes be a sign of something going on internally. Best to have a doctor take a look and take a full history. ...Read more

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I have itchy bumps from my knees to my ankles all of a sudden?

I have itchy bumps from my knees to my ankles all of a sudden?

Consider an allergy: Or allergic reaction to something you ate, were exposed to , or if you started taking a new medication. See your doctor to check this out and find out , if an allergic reaction, what it is you're allergic to. ...Read more

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I have a patch of itchy bumps that have developed on both knees. Is that eczema?

I have a patch of itchy bumps that have developed on both knees. Is that eczema?

Eczema is : the itch that rashes, would certainly be possible especially if you have allergies or asthma. location would be more in back knees - creases ...Read more

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I have itchy bumps on the side of my elbow, side of my knees, side of my armpits, on my waist and my lower spine. ?

I have itchy bumps on the side of my elbow, side of my knees, side of my armpits, on my waist and my lower spine.  ?

Need pic: I think a picture wil be helpful in diagnosing your problem. It could be anything from eczema to molluscum, to scabies. ...Read more

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Red and itchy bumps on the back part of my knee and then the area began to swell and the bumps started spreading. I had a steroid shot and pill. Help?

Red and itchy bumps on the back part of my knee and then the area began to swell and the bumps started spreading. I had a steroid shot and pill. Help?

Red: Given you are describing a red rash that is spreading, I would be concerned for an infection. Sounds like you were treated for a contact dermatitis , but this should respond. I suggest you get checked. ...Read more

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I have seen my Doctor several times over the last 2 years about this red, itchy rash with tiny fluid filled bumps on my knees.

I have seen my Doctor several times over the last 2 years about this red, itchy rash with tiny fluid filled bumps on my knees.

Itchy rash: Rashes are notoriously difficult to solve without seeing them. Hives are like raised patches and can be described as water-filled. Several treatment modalities would help you in that case. Contact allergy may be more likely and an Allergist can help identify triggers and treat that as well. Step 1 is to try not to rub/itch it, which makes the itch worse in either case. ...Read more

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used several creams/gels to treat knee wound, may have had an allergic reaction ? ; very itchy bumps which seem to spread around knee if touched ? :(

used several creams/gels to treat knee wound, may have had an allergic reaction ? ; very itchy  bumps which seem to spread around knee if touched ? :(

Allergic Reactions: to topical creams and even bandages are not that uncommon. However, you may have a skin infection rather than a reaction. You should see your doctor for an evaluation to rule out significant problems. ...Read more

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I have tiny red itchy bumps on my elbows and upper arm. They come and go. And sometimes appear on knees, thighs and bottom. What can be causing this?!

I have tiny red itchy bumps on my elbows and upper arm. They come and go. And sometimes appear on knees, thighs and bottom. What can be causing this?!

See a dermatologist: can be one of several possibilities, you need to be evaluated and physically examined, you can start by your doctor who may refer you to a dermatologist, best wishes ...Read more

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Itchy bumps(single at a time, all over body) feverish feeling, no fever, weakness in knees, chills, normal blood tests. Please help me.

Itchy bumps(single at a time, all over body) feverish feeling, no fever, weakness in knees, chills, normal blood tests. Please help me.

Need for examination: It is not feasible to provide a meaningful opinion without examining you. You may wish to consult a dermatologist if your current doctor has not provided a satisfactory explanation. ...Read more