small red bumps on arms that itch

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I have a pimple like rash (not red skin just bumps) under both upper arms, only itches when tshirt brushes up against it and doesn't hurt?

Pimple like

78606734_copy
Rash - sounds benign . Just observe for now. Do take a picture for documentation . In meantime , cover it with a bandaid to avoid getting irritated by your clothing.
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Dr. Kelly A. Kane answered:

My son has small non colored bumps all down his arms mainly but visible on entire body? Only really bad every now and then and itches them some?

Keratosis pilaris

Puberty
Is likely. It is caused by a thicker layer of the skin that is crunchier(keratinized). It is a skin type rather than a disease. 60% of people have it. Exfoliation and emollients can help with the itching.
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I have a scatteted rash around my wrists, top of arms, ankles & tiny bit on my back.I feel completely well, no other symptoms.Red raised bumps, itches?

Allergic reaction

allergic reaction possible to foods, new medications, detergents, soaps or lotions. See a allergist or dermatologists if this persist.
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Dr. Cornelia Franz answered:

My daughter has been suffering with a thick rash under her ares and it itches very bad. Yesterday she appeared with red bumps under her arms and chest?

See your doctor

Rash
It is difficult to diagnose rashes without seeing them. Since it s thick and now spreading, she would be helped with a visit. Cannot tell if it is a contact irritation or a food sensitivity or eczema or other allergic type rash without seeing it.
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I have rashes on my arms an thighs little bumps appearing on my body and my body itches what stds could this be?

Why suspect STD?

Std
What you describe is a common type of rash. But to make a proper diagnosis, it should be inspected by your doctor or a dermatologist. But why did you jump to the conclusion it was an STD? Have you been diagnosed with STD? See your doctor please.
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Dr. Joy M. Jackson answered:

Why do I get bumps under my arms after using deodorant? I get 1 or 2 large bumps underneath my arm after using deodorant of any kind. It hurts and it usually itches. And I kind of want to know why I get these bumps and what they are? Please help?

There

There is a possibilty these bumps are not due to deodorant, especially if they are only on one side. You may be dealing with sebaceous cysts or even an enlargment of lymph nodes. On the other hand you may have microscopic cuts under your arm from shaving, deodarant can then get into these cuts an cause an allergic reaction, which may cause the bumps and itching. I recommend making an appointment with your primary car provider or a dermatologist if possible for evaluation and treatment. In the meantime you may want to discontinue all deodorant and use aloe vera on the affected area; also baby powder can be used for perspiration. Good Luck
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Dr. Martin Raff answered:

8mnth old, sudden bumps like tiny mosquito bites, red around area, clear bumps. arms, legs, back. Redness gone, bumps still there. no itch/distress. ?

See a dermatologist

Itching
Without being able to see and examine these there is no way to diagnose. Get these seen by an expert.
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Dr. Amy Tezza answered:

Now & then on backs of arms I get lots of tiny bumps almost like a rash with no redness or itching they hang around for few days comes & goes causes?

Possibilities

Itch
Could be keratosis pilaris. Are they firm bumps? if so it can be caused by keratin clogging hair follicles. Gently using a "Buff-puff" or other time of mildly exfoliating cloth while in the bath or shower can help unplug the follicles; then pat your self dry and allow to air dry prior to using a mild retinoid; like retin A which is a prescription or an over the counter retinol product
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Starting to get these flat round bumps in my inner elbow, shoulder, under arm areas It itches really bad I don't know what it is?

See your doctor

Elbow_joint
You describe symptoms that can only be honestly assessed by your doctor in his or her office. Only after a thorough evauation will he/she be able to come up with what's wrong and what to do to get you better.
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Dr. Joseph Bark answered:

I've broken out with small red/white itchy balls throughout my body, its on my face, chest, arms and legs. Please help me out it hurts n itches so bad?

Balls?

Dogs
This description is fairly bizarre. I wish I could give you a better shot at diagnosis but with your description I cannot. I'm sorry I can't solve your problem here. You need to see a dermatologist.
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