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Doctor insights on: Bright Red Rash Legs

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Dr. Ward Dean
Board Certified, Anti-Aging Medicine
37 years in practice
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Dr. Eric Weisman
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Dr. Cornelia Franz
1,060 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


Dr. Eric Weisman
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Dr. Reid Blackwelder
Board Certified, Family Medicine
31 years in practice
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I have a bright red (and itchy!) rash on the back of both my legs, between my butt and knee. It looks like small bug bite like bumps. Not spreading.?

I have a bright red (and itchy!) rash on the back of both my legs, between my butt and knee. It looks like small bug bite like bumps. Not spreading.?

Many causes: Rashes are challenging even when the doctor can see them, so even harder in this forum. Small red bumps on both legs make me think of reactions to clothes, or something in contact with that area on both sides. Bites can do it. It could be heat rash, a reaction of the skin to warmth and occlusion from pressure. Some drug reactions can do that as can conditions like eczema and psoriasis. ...Read more

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Dr. Ellen Altenburg
Board Certified, Pediatrics
25 years in practice
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Dr. Eric Weisman
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Dr. Reid Blackwelder
Board Certified, Family Medicine
31 years in practice
6M people helped
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Many bright red and itchy rash on the back of both my legs, between butt and knee. It looks like small bug bite like bumps smeared in a line. Nospread?

Many bright red and itchy rash on the back of both my legs, between butt and knee. It looks like small bug bite like bumps smeared in a line. Nospread?

Many causes: Rashes are challenging even when the doctor can see them, so even harder in this forum. Small red bumps on both legs make me think of reactions to clothes, or something in contact with that area on both sides. Bites can do it. It could be heat rash, a reaction of the skin to warmth and occlusion from pressure. Some drug reactions can do that as can conditions like eczema and psoriasis. ...Read more

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Dr. Ibrahim Al-Sanouri
Board Certified, Allergy and Immunology
21 years in practice
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My arms and legs are a bright red but not itchy rash. I am also experiencing chills with the red skin.

My arms and legs are a bright red but not itchy rash. I am also experiencing chills with the red skin.

Urgent: Please seek urgent medical advice as this might be a serious infection that needs to be treated at once. ...Read more

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Dr. Tanya Russo
Board Certified, Pediatrics
19 years in practice
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Dr. Robin Ifft
Board Certified, Pediatrics
37 years in practice
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Toddler with rashes that comes and goes. Is this serious? Rashes (red with small white bumps) all over the body (usually on baby's legs) and face that comes and goes, lasting for about 30 minutes or even less. Does not seem to bother my 1 year old but i n

You : You can see a small fine red rash after a MMR vaccine but the rash you describe has occurred too long after receiving the vaccine. No need to fear the MMR vaccine. The rash you describe sounds like hives. The next time it happens, take a picture of it to show your pediatrician. Phone cameras are great for documenting short lived rashes like this since odds are your child may not have it at the time of the doctor visit. ...Read more

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Dr. Brock Andersen
Board Certified, Dermatology
11 years in practice
90K people helped
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I've just had a new tatoo done on my leg, and rashes are starting to develop, it's red, sore and painful, what cream should I use?

I've just had a new tatoo done on my leg, and rashes are starting to develop, it's red, sore and painful, what cream should I use?

Rash in tattoo: See a dermatologist. You may have an infection from tattoo equipment or reaction related to the tattoo ink. ...Read more

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Dr. Powlin Manuel
Board Certified, Allergy and Immunology
45 years in practice
3M people helped
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I have small, painful rashes on my back and legs. My eyes are red and I have swelling everywhere. What is happening?

I have small, painful rashes on my back and legs. My eyes are red and I have swelling everywhere. What is happening?

Insect allergy?: Good morning, painful rash on back and legs can be due to many causes. One patient developed such a rash after staying in a hotel; my diagnosis was bed-bug-allergy, as the rash was limited to the back of trunk, and back of legs, and the protected areas such as those covered by intimate clothing was not affected. Since your eyes are red and swelling everywhere other causes of need consideration. ...Read more

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Dr. John Chiu
2,396 doctors shared insights

Skin Rash (Definition)

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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Dr. Eric Weisman
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