Causes of itchy rash on both arms - Doctor answers

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Itchy skin turns into fast spreading rash like bumps when scratched. Both arms and right leg. Do have allergies & asthma. Not on meds for allergies.

Itchy skin turns into fast spreading rash like bumps when scratched. Both arms and right leg. Do have allergies & asthma. Not on meds for allergies.

Happy to help.: There are a couple of possibilities. First, dermatographism is a condition where scratching or marking the skin causes hives. Second, hives can arise without scratching as well. Antihistamines like Zyrtec/Allegra can help. If this persists, I'd recommend seeing an allergist who can allergy test you and help determine if other conditions are present. ...Read more

Dr. John Chiu
2,663 Doctors shared insights

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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What can cause swollen lymph nodes under both arms, itchy skin with no rash, burning sensations in bones and joint pain?

What can cause swollen lymph nodes under both arms, itchy skin with no rash, burning sensations in bones and joint pain?

Lupus vs RA: Sounds systemic! I would really urge you visit your md please! Too many things going on! Please let me know what diagnosis your doc give you! Best of luck! ...Read more

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I have a itchy rash in my under arms, what can cause that?

I have a itchy rash in my under arms, what can cause that?

Fungus or deoderant: I have found that the most common causes of underarm itching are from fungual infections and irritating deodorants. ...Read more

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What can cause an overnight itchy rash on my chest, arms and neck?

What can cause an overnight itchy rash on my chest, arms and neck?

Allergic reaction?: An itchy rash on chest, arms and neck could be due to an allergic reaction. If it suddenly occurred overnight, it is is possible that is is due to a reaction from something in the bed like bed bugs. Try OTC antihistamines (zyrtec, allegra) to see if rash resolves. If not, please see primary care provider. ...Read more

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What would cause an intensely itchy rash on neck, arms, & legs?

What would cause an intensely itchy rash on neck, arms, & legs?

Different causes: There are different causes of this type of rash includung allergy to foods, medications, etc. Have a physician or dermatologist evaluate the rash if still present. In the meantime if you're uncomfortable you could take Benadryl (diphenhydramine) for the itch but be aware that it can cause drowsiness. Claritin is less effective but does not cause drowsiness. ...Read more

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What would cause a itchy rash on my back, arms and stomach. I am not allergic to anything.

What would cause a itchy rash on my back, arms and stomach. I am not allergic to anything.

Many causes: Need to know more about the duration of the rash plus the drugs you are taking to even take a guess.
If the problem lasts less than a week, it is more likely from a viral infection ...Read more

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What could cause petichiae rash on upper arms of 6 yo? Same exact spot both arms like a pattern. Got them at school. Said sweater was itchy? Worry?

What could cause petichiae rash on upper arms of 6 yo? Same exact spot both arms like a pattern. Got them at school. Said sweater was itchy? Worry?

Petechial rash: Petechial rash that is localized on both side of the arms is probable related to trauma. That is nothing to worry about provided that there is no fever, abdominal pain or any any other symptoms ...Read more

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What could cause extreme itchy rash in pubic area all of a sudden? Also have random spots on stomach, arms, legs, back and buttocks. No new detergent

What could cause extreme itchy rash in pubic area all of a sudden? Also have random spots on stomach, arms, legs, back and buttocks. No new detergent

Many: Contact allergy, bug bites, scabies- just to mention a few. If this has been going on for awhile, you should consult your doctor. ...Read more

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Bitten by non-lyme tick 8 mos ago (tick was tested). Itchy rash over legs, arms, buttocks, weight loss and night sweats. What could be the cause? Thx

Bitten by non-lyme tick 8 mos ago (tick was tested). Itchy rash over legs, arms, buttocks, weight loss and night sweats. What could be the cause? Thx

Many possibilities: Besides lyme, ticks can transmit many other infections including babesia, bartonella, ehrlichina, rickettsia and other types of borrelia. The tick testing negative for lyme does not rule out other infections. But your symptoms could be unrelated to the bite too! See a doc knowledgeable in tick-borne illness. Consider seeing a doc for general evaluation too, ideally a holistic doc. ...Read more

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My dad has had an itchy rash on his arms & legs for several months. He got a cortizone (hydrocortisone) shot, it cleared up & then came back. What could cause this he scratches till there are sores.

My dad has had an itchy rash on his arms & legs for several months. He got a cortizone (hydrocortisone) shot, it cleared up & then came back. What could cause this he scratches till there are sores.

Eczema or contact: Dermatitis are the two most common causes of localized itchy rash. But dr. Fisher is right: a picture is worth a 1000 words. If he wants a diagnosis along with his cortisone shot see a dermatologist or an allergist. The photo is of contact dermatitis. ...Read more

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What causes an itchy rash that is a red patch with little bumps in it and is located on the inside of my upper arm near my arm pit.?

What causes an itchy rash that is a red patch with little bumps in it and is located on the inside of my upper arm near my arm pit.?

Not sure - eczema?: This can't be diagnosed with the information that is available. A history, physical examination & other studies may be needed to determine cause/causes. ...Read more

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Hey I have a rash on both arms really red and itchy and burns and I can't get it to go away should I wrap with ace bandage im not allergic to that?

Hey I have a rash on both arms really red and itchy and burns and I can't get it to go away should I wrap with ace bandage im not allergic to that?

No you should see: A dermatologist and figure out what the dermatitis is and they can prescribe something to help it go away, or figure out the etiology. Does not sound like compression would do anything. ...Read more

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I have a itchy rash on the bends of her arms.

I have a itchy rash on the bends of her arms.

Diagnosis for rash?: These lesions need to be visualized & a history needs to be obtained in order to make an accurate diagnosis. Sometimes lab testing or biopsy is necessary. ...Read more

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Itchy rash on my arms that spread burns when I scratch it?

Itchy rash on my arms that spread burns when I scratch it?

Many possibilities: There are many things that could cause the skin to itch. 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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My son has a itchy rash all around his neck on his shoulders and arms what could it be?

My son has a itchy rash all around his neck on his shoulders and arms what could it be?

More info.: A description of the rash would help pinpoint the cause.
I do not want to speculate about the different possibilities. ...Read more

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I have a blotchy itchy rash on my chest and arms. What is it?

I have a blotchy itchy rash on my chest and arms. What is it?

Can't diagnose this: Without a medical history and visualization of the rash. ...Read more

Dr. Cornelia Franz
1,059 Doctors shared insights

Rash (Definition)

A rash is a change to skin condition which can affect color, appearance, or texture. It may or may not ...Read more


Dr. Doanh Nguyen, md, faaaai
647 Doctors shared insights

Itchy Rash (Definition)

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