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Doctor insights on: What Does A Rash On One Arm Mean

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I have a thick rash only on my left arm pit. What should I do? The rash is not one big rash. It is spred out in 4 different rashes & bright red.

I have a thick rash only on my left arm pit. What should I do? The rash is not one big rash. It is spred out in 4 different rashes & bright red.

Get the diagnosis: There are many types and causes of skin rashes. 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

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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I'm currently on the Accutane, and one day I woke up with rashes on my face and both arms. Did Accutane cause rashes? If yes, how do I get rid of it?

I'm currently on the Accutane, and one day I woke up with rashes on my face and both arms. Did Accutane cause rashes? If yes, how do I get rid of it?

It is a side effect: Your rash can be caused by acutane. It is important that you avoid irritants such as sun during this time and stay moisturized. You should also show your rash to your current prescribing doctor. ...Read more

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Last night i ate 2 pcs of chicken and develop some rashes in my arms and legs, can I consider it as one of d foods tat im allergic with?

Last night i ate 2 pcs of chicken and develop some rashes in my arms and legs, can I consider it as one of d foods tat im allergic with?

Not yet: Symptoms such as rash after exposure to something like food may be due to an allergy, but there are multiple things, both allergic and non allergic, that can cause a rash. Food allergy is just one and can be serious if that is the cause. I recommend seeing a board certified allergist for an evaluation and testing. ...Read more

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Plan b one step pill and hives related? I took the Plan B pill 2 almost 3 weeks ago and I've started to get hives or rashes on my stomach, arms, legs, back and neck. It weird because i had no other side effects. But i was wondering if it could be related

Plan b one step pill and hives related? I took the Plan B pill 2 almost 3 weeks ago and I've started to get hives or rashes on my stomach, arms, legs, back and neck. It weird because i had no other side effects. But i was wondering if it could be related

The : The odds of you having an allergic reaction from a Plan B taken three weeks ago are highly unlikely. Even if this was the case, there is no treatment aside from over the counter Benadryl (diphenhydramine) for itching. Consider other potential allergens like new products, lotions, or soaps. Good luck. ...Read more

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I had a rash on one leg then it moved to the other and now it's on my arms? What is this? Is it contagious? And it itches

I had a rash on one leg then it moved to the other and now it's on my arms? What is this? Is it contagious? And it itches

Dermatitis / Scabies: You should visit a dermatologist for proper diagnosis. In the meantime take an antihistamine for the itching. Scabies are caused by tiny mites that burrow under the skin and spreads like a rash. Dermatitis is a skin inflammation characterized by red rash, dry and itchy skin. ...Read more

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I have a rash on one of my arms and I've had it for 2 days. Its a bunch of small red bumps and it feels like its on fire when I itch it.

I have a rash on one of my arms and I've had it for 2 days. Its a bunch of small red bumps and it feels like its on fire when I itch it.

Red vesicular rash: 18 year old with painful burning vesicles on arm. Get a full medical history and in person physical exam ASAP. You can try a consult in your area as well. If the rash is itchy (pruritic) and painful you need to give more history. The differential is large and it could be anything from zoster to contact dermatitis to chiggers or a reaction to insect bites, bedbugs, or scabies. A picture=1k words. ...Read more

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