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Doctor insights on: Causes Of Itchy Rash On The Arms

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I have a rash from some sort of weed I was pulling, causing a itchy rash on my arms. What do I use to heal it?

I have a rash from some sort of weed I was pulling, causing a itchy rash on my arms. What do I use to heal it?

Contact dermatitis: Contact dermatitis is caused by a substance you're exposed to that irritates your skin or triggers an allergic reaction. The substance could be one of thousands of known allergens and irritants. Some of these substances may cause both irritant contact dermatitis and allergic contact dermatitis. First line therapy is usually avoidance of the trigger, and topical steroid creams . ...Read more

Dr. Cornelia Franz
1,059 doctors shared insights

Rash (Definition)

Most bumps and blotches on a newborn baby are harmless and clear up by themselves. By far the most common skin problem in infants is diaper rash. Diaper rash is an irritation of the skin caused by dampness, urine, or feces. Most babies who wear diapers will have some type of diaper rash. However, there are other skin disorders that can cause rashes. These are usually not serious unless ...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 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 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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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 causes an itchy bump pink rash on back of arms and thighs?

What causes an itchy bump pink rash on back of arms and thighs?

Keratosis Pilaris: If it has been there for years, then it is usually keratosis if it is new then it could be one of many other things. If chronic, try a moisturizing cream twice a day with a mild acid in it, like eucerin plus. There are other keratolytic creams and lotions that will help, but there is no cure for keratosis pilaris. ...Read more

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My daughter recently started kindergarten - has been itching evenings ever since, could dehydration cause this? No rash.. Just itchy- arms and legs.

My daughter recently started kindergarten - has been itching evenings ever since, could dehydration cause this? No rash.. Just itchy- arms and legs.

Is this acute?: Possible irritants from school or just plain dry skin and under stress and being nervous. Does she like school? Any recent changes in her life? Does she suffer from eczema ? Please give more info and details to give more specific answers. Thank you. Best thing to do is have it checked out by her doctor. ...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

Itchy rashes: For skin rashes, a variety of skin conditions can present similarly with spotty itchy rashes. To get a correct diagnosis, we need to see and examine it so a correct course of treatment could be made. Spotty itchy rashes can be folliculitis, hives or eczema. They are treated differently. I would suggest you see a local physician. ...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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Dr. John Chiu
2,561 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


Dr. Doanh Nguyen
607 doctors shared insights

Itchy Rash (Definition)

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