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Doctor insights on: Causes Of Red Bumps On My Knees

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Dr. John Chiu
2,622 doctors shared insights

Skin Rash (Definition)

A skin rash is a symptom in which a person has changes on part or all of his skin, such as color changes, bumps, blisters, oozing, peeling, ...Read more


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I have had a cut and put a plaster over it for 4 days when I took it of I had bad red bumps that itchy how to get rid of them they on my knee?

I have had a cut and put a plaster over it for 4 days when I took it of I had bad red bumps that itchy how to get rid of them they on my knee?

It sounds like: your skin had an allergic reaction to something in the plaster (bandaid?) or something you put on the cut (antibiotic ointment?). If that's the case, they will go away on their own in a few days. OTC steroid cream and oral antihistamine can help in the meantime. I suggest not treating a wound this way in the future. Best wishes. Dr. Anne ...Read more

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I woke up with hives 2 mornings in a row. On day 3, in the middle of the day, I have itchy red bumps on my elbows & knees. What could this be?

I woke up with hives 2 mornings in a row. On day 3, in the middle of the day, I have itchy red bumps on my elbows & knees. What could this be?

Hives: Hives come and go. The best therapy is to decrease the itch-scratch cycle by taking higher doses of non-sedating antihistamines during the daylight hours and the sedating antihistamines at nighttime to get some sleep. See you allergist if this persists. ...Read more

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Last night i noticed clusters of small red bumps on the tops of my feet and on the inside of my knees. Also a few bumps on a few fingers.?

Last night i noticed clusters of small red bumps on the tops of my feet and on the inside of my knees. Also a few bumps on a few fingers.?

See below: I would see a dermatologist or your primary care physician. It would be helpful to see the bumps and to obtain a proper history. ...Read more

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I have non itchy, red bumps on my elbows, knuckles, knees, and thighs. Not allergy or psoriasis. Had a fever last week don't know if it's related. what could it be?

Viral rash: Many viruses can cause a rash in addition to other symptoms such as fever and cough. Many of these rashes are not specific or characteristic enough to identify the virus. The viral rash itself is not usually serious. But it is very important to make sure the rash is not part of a serious infection such a meningococcal infection. If you have any concerns then contact your doctor immediately. ...Read more

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I have tons of defined circular, raised red bumps on both legs, between my knees & ankles. They often itch. No new soaps, not razor burn. Advice?

I have tons of defined circular, raised red bumps on both legs, between my knees & ankles. They often itch. No new soaps, not razor burn. Advice?

Eczema vs. Psoriasis: Raised defined circular red bumps on skin could be a form of psoriasis or a type of eczema. You need to see a dermatologist or podistrist for evaluation and treatment. Your doctor may perform bloodwork on you to see if you have any signs of auto-immune disease and/or they may prescribe oral and/or topical medications to help resolve this skin issue. ...Read more

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My friend's daughter about 5 month old with tiny red bumps only on her face, arm and leg. Itch cause her scratch until infected. What kind of that?

Possible Scabies: Itchy bumps in a young child could be bug bites, such as fleas, bedbugs, or scabies. In addition, a skin virus such as molluscum should be considered. This child should be seen by a dermatologist for proper diagnosis. ...Read more

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Used ground flax seed daily until broke out with itchy red bumps on hand, leg and arm..I did scratch and caused terrible sores.. Swell now on my face?

Used ground flax seed daily until broke out with itchy red bumps on hand, leg and arm..I did scratch and caused terrible sores..  Swell now on my face?

Stop flaxseed: This may be coincidental although it is possible that you may be allergic to flaxseed. If the problem continues after 10 days off of flaxseed, it is unlikely to be related to it. The sores may be from an infection or something more serious. See your doctor soon. ...Read more

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I have red bumps on my upper leg. They don't itch or hurt?

I have red bumps on my upper leg. They don't itch or hurt?

Monitor situation: Without seeing your leg it is difficult to determine what if anything this might be. I would say you should continue to monitor the situation. If they start to itch or get bigger than have a physician look at it. ...Read more

Red Bumps (Definition)

A bump is an area of tissue or skin that is raised . Red bumps are elevations ...Read more