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Doctor insights on: Causes Of Pimple Like Bums On Arm Or Leg

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I have red bumps/ pimple like on my arms, some on legs and feet. It itches. What's the cause of this?

I have red bumps/ pimple like on my arms, some on legs and feet. It itches. What's the cause of this?

Keratosis pilaris : rubra. Keratosis pilaris occurs when the human body produces excess amounts of the skin protein keratin, resulting in the formation of small, raised bumps in the skin often with surrounding redness. Harmless. See a dermatologist if concerned. ...Read more

Dr. J. Lawrence Dohan
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Pimples (Definition)

Pimples are a kind of acne, and are a condition where oil gets trapped in a pore of the skin resulting in small area of ...Read more


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I have a rash that start off as a small pimple and evolves to look like a burn mark. It's on my legs, waist, arms(severe) and neck. What can this be?

I have a rash that start off as a small pimple and evolves to look like a burn mark. It's on my  legs, waist, arms(severe) and neck. What can this be?

Exanthems (= rashes): such as yours are often impossible to diagnose with out the MD having the advantage of " laying eyes on it." Photos of good resolution can help but won't supplant good clinical evaluation. There are so many possibilities it wouldn't help anything to try to narrow down with such little information. On the other hand, a good dermatologist usually can nail it in a few minutes in person. ...Read more

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I have tiny pimple like bumps on my arm and legs. They don't itch or bother me. When i scratch them they turn white. What could they be?

I have tiny pimple like bumps on my arm and legs. They don't itch or bother me. When i scratch them they turn white. What could they be?

Keratosis pilaris: These are more of a cosmetic issue than anything serious. Some people hate them and use a loofa to scrape them off of the backs of their arms. They happen more in kids and teens and less in adults. You might try some low-potency Hydrocortisone cream to see if that might smooth out these little bumps on the skin. ...Read more

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My baby has red pimple like bumps on her arm and leg, they look almost like bug bites. They just appear. What could they be?

My baby has red pimple like bumps on her arm and leg, they look almost like bug bites. They just appear. What could they be?

Newborn rash: If your baby is a newborn, then it's most likely the common newborn rash erythema toxicum. The rash should clear on its own. No treatment is needed. However, there are similar looking rashes that do need medical attention, so check with your baby's doctor. Here's a link for pic and info: www.Webmd.Com/skin-problems-and-treatments/picture-of-erythema-toxicum-neonatorum. ...Read more

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I have pimple like dots on my arms and legs they have all of a sudden appeared over the last month what could this be and how do I treat it?

I have pimple like dots on my arms  and legs they have all of a sudden appeared over the last month what could this be and how do I  treat it?

Folliculitis?: Each hair follicle is related to a small gland to lubricate it and prevent dryin out. Sometime these can become inflammed and cause small red bumps. Get it checked out to be sure it isn't an allergic reaction or viral infection. ...Read more

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I have pimple-like spots in my legs and arms. I don't know what is it? Why did i get these? How to treat this? Please help me. Thank you.

I have pimple-like spots in my legs and arms. I don't know what is it? Why did i get these? How to treat this? Please help me. Thank you.

Need diagnosis first: before cause and treatment can be given. If you have dry skin, it is not uncommon to get plugged hair follicles called keratosis pili that can sometimes get inflamed, and is treated with moisturizers. If you have infection/folliculitis, this would be Rx with antibiotics. Or this may be some other type of rash. An exam by your doctor is a starting point. ...Read more

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32mth & 13mth old have small pimple like bumps on arms/legs and a couple on back. Not many at all. Could this be prickly hear? No temp.

32mth & 13mth old have  small pimple like bumps on arms/legs and a couple on back. Not many at all. Could this be prickly hear? No temp.

A picture ; history: When is comes to rashes there is no substitute for seeing, either directly or a pic. How long has the rash been there? Is is a long term rash or did is come in the last few days? Is the rash itchy? Could these be bug bites? I would recommend seeing your pediatrician if this rash doesn't go away in a few days or becomes worse. If is looks like this pic it is a form of warts. ...Read more

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My daughter has pimple like bumps all over her arms and some on he legs she has had them for a couple of years and they don't go away what could it be?

My daughter has pimple like bumps all over her arms and some on he legs she has had them for a couple of years and they don't go away what could it be?

Molluscum Contagiosu: Molluscum contagiosum is a disease of day care in children. After they are infected, it itches, so they scratch. They look like little whiteheads, to skin color donuts with a dimple in the middle. Very contagious, and she can self inoculate (spread by scratching). Can be frozen, cut, or curettes off, also can use "bettlejuice"..I don't recommend that, left large scars on my son. Check by derm! ...Read more