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Doctor insights on: Rash Under The Skin On The Legs

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Red rashes with knots under the skin on legs only no itching any ideas? Female

Red rashes with knots under the skin on legs only no itching any ideas? Female

Many possibilities: There are many things that could cause a rash. 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. 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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I've been feeling like a rash on my leg and now it spread to my lower back, it is under the skin and very uncomfortable when I touch it. I can't see it?

I've been feeling like a rash on my leg and now it spread to my lower back, it is under the skin and very uncomfortable when I touch it. I can't see it?

See Dermatologist: It is nearly impossible to make a diagnosis of a skin eruption without looking at the area. Seek help of a dermatologist in your area. ...Read more

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Rash. Lower leg. Started as small knot under the skin/ turned into 3 pinkish bumps. Itches. Haven't scratched. Now 6 inch area. Skin looks very burned?

Rash. Lower leg. Started as small knot under the skin/ turned into 3 pinkish bumps. Itches. Haven't scratched. Now 6 inch area. Skin looks very burned?

Rash: This may have been an insect bite with an allergic response or an area of contact dermatitis from something that touched your skin. Apply cortisone cream, but if redness spreads and burning persists, an infection of the skin (cellulitis) may be present and requires antibiotic treatment (pills and cream). Your physician will advise you. ...Read more

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I've been experience a rash on my legs for almost 3 months. It almost looks like little spots of blood under the skin. Not itchy, painful, or scaly.?

I've been experience a rash on my legs for almost 3 months. It almost looks like little spots of blood under the skin. Not itchy, painful, or scaly.?

Purpurin: You might have benign pigmented purpura which is a harmless problem where the small capillaries leak a little blood. No therapy is needed for this harmless condition. ...Read more

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I've got a red blotchie rash looking sytom under the skin on my arms and legs and sore shins is it anything I shud be worried about had it 3 days now

I've got a red blotchie rash looking sytom under the skin on my arms and legs and sore shins is it anything I shud be worried about had it 3 days now

Hives?: Good morning,
red blotchy rash on arms and legs could be due to many causes. If it is due to an allergic or immune reaction, it may be hives. If the rashes are on the exposed areas of the arms and legs only, it is more likely due to insect bites, such as mosquitos and flees. Contact allergy is another consideration. If the rash persists, please visit your doctor. ...Read more

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When I touch the front of my lower leg, it feels like a pea sized bit of cartilage is loose under the skin. It doesn't hurt, but is something wrong?

When I touch the front of my lower leg, it feels like a pea sized bit of cartilage is loose under the skin. It doesn't hurt, but is something wrong?

Cyst or lipoma: It's unlikely to be cartilage, but it could easily be an epidermal cyst or a lipoma. Both are benign, both are easily removed under local anesthesia as an office procedure. But since there are other, less common things that it could be, it would be wise to allow a dermatologist to have a look at it in person. ...Read more

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I've 2 bumps under the skin, (leg) painless and 1 cm, looks like mosquito bites. I had one suddenly for a week, and the second within two days, how??!

Skin bumps: Hello, without access to a picture or being able to visualize this lesion, it sounds as thought this could be a flea bite if you have animals or bed bug bite if you recently stayed in a hotel. You can treat both with OTC cortisone cream like cortoderm cream or any anti-histamine cream at all. If it progresses please see a doctor to evaluate. Thanks ...Read more

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Can hemangioma go away? My child had a biopsy, but it has been growing again. It grows on her leg under the skin. She's15, it's been there for 9 years

Can hemangioma go away? My child had a biopsy, but it has been growing again. It grows on her leg under the skin. She's15, it's been there for 9 years

Unlikely at this age: Some hemangiomas do "go away" on their own, but this is usually seen in infants. At age 15, with it enlarging, this would seem unlikely. You are in san fransisco...I would seek an opinion at your university medical center...They may have someone who specializes in the treatment of hemangiomas or "arteriovenous malformations". If not I would start with a dermatologist. ...Read more

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I have red circular marks on both of my legs, they are under the skin with no texture and do not cause any pain. Worried as they are growing rapidly?

I have red circular marks on both of my legs, they are under the skin with no texture and do not cause any pain. Worried as they are growing rapidly?

Seeyour doctor: When you have a skin rash or changes under the skin your doctor needs to see it. She will help you figure out what it is and if you need treatment. If they itch try not to scratch or break your skin. Protect your skin in the meantime. ...Read more

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Does dry skin rashes follow the vains up the leg?

Yes: So called "venous eczema" are skin changes that can overlie varicose veins, and are due to the underlying venous hypertension. They can be moisturized, and should get better with compression, or if you have surgery on your veins. ...Read more

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Hard ball of gristle fat, under the skin on my leg what is it?

Hard ball of gristle fat, under the skin on my leg what is it?

See your doctor: Your doctor needs to view it and give you instructions on what to do with it. It may be a foreign body that needs to be removed. ...Read more

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At the bottom of my leg it feels like a lump that's under the skin I'm scared it's something serious?

More info please!: How long have you had it? Does it hurt? Is it getting bigger? Is it warm or red? Does it itch? How big is it?
Ask again with more detail, please, and we can give you a better idea. ...Read more

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Under the skin on the upper outside of my leg is a huge hard painful lump. What could it be? Pain is shooting down leg

Under the skin on the upper outside of my leg is a huge hard painful lump. What could it be? Pain is shooting down leg

Enlarged lymph node: The lump could be an enlarged lymph node. You should go to your pcp immediately and get a biopsy, because non painful hard lumps could be cancerous. ...Read more

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I have a semi-hard lump under the skin on the side of my leg. It started out like a bug bite on the external skin and now there is discomfort?

I have a semi-hard lump under the skin on the side of my leg. It started out like a bug bite on the external skin and now there is discomfort?

Lump/pain: It sounds like a cyst that may now be infected. Be examined and drained or removed if indicated. Some doctors also give antibiotics. All the best. ...Read more

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Why did my mosquito bite turn into a hard lump under the skin on the top of my leg?

Why did my mosquito bite turn into a hard lump under the skin on the top of my leg?

Not sure: An extreme allergic response could cause a large welt, and it could last a couple of days. If this is very old, though, it is possible it wasn't a mosquito but some other insect and it left a stinger inside you. If painful, it could be infected. You might want to have it examined to see if there is pus that needs to be released. Meanwhile, apply warm compresses for 15 mins 4x daily. ...Read more

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Hi! I have an lump under the skin on my leg which itches when I'm hot. What could this be? Is it dangerous? Thanks!

Hi! I have an lump under the skin on my leg which itches when I'm hot. What could this be? Is it dangerous? Thanks!

Lipoma: Lipomas are soft lumps that feel like little nodules of fat and occur under the skin. They usually move and don't usually hurt. They don't go away and are nothing to worry about. If the lump is tender or warm or draining then get it looked at. You should have this looked at to make sure that is what this is. There are other things it could be. ...Read more

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Have a tingling itching sensation under the skin on my left outer leg above my knee. This started a several years ago, went away now its back.

Have a tingling itching sensation under the skin on my left outer leg above my knee. This started a several years ago, went away now its back.

Parenthesis: Chronic paresthesia or intermittent paresthesia over a long period of time is generally a sign of a neurological disease or traumatic nerve damage. Paresthesia usually arises from nerve damage due to infection, inflammation, trauma, or other abnormal process. ...Read more

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I have many multiple small bumps I can feel under the skin on the bone of my left leg, some firm, some slightly firm. What kind of Dr should I see?

Start with a general: Doctor. If exam shows that these are in the skin or subcutaneous tissue, dermatologist or plastic surgeon is the proper specialist. If exam shows that these are in the bone, orthopedic surgeon. And if these are rhematoid nodules, a rheumatologist. ...Read more

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Suspected bug burrowing under the skin, looks like mosquito bite, moved 2" up my leg in 8hrs, can feel tearing bites in direction of movement. Help!?

Suspected bug burrowing under the skin, looks like mosquito bite, moved 2" up my leg in 8hrs, can feel tearing bites in direction of movement. Help!?

Larva currens?: Larva currens is an itchy skin condition caused by a parasite called strongyloides stercoralis. It is notable for the itchy rash that moves fairly quickly (sometimes inches per hour) under the skin. Although mostly found in tropical and sub-tropical countries, it can also occur in the southeastern us. You need to be seen by a dermatologist or infectious disease doctor asap. ...Read more

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I have something on my leg that started under the skin about seven years ago. Now it came out and is very painful. Started bleeding and is pink.

Get it evaluated: Skin lesions are common, but with changes in shape, size, color, and especially bleeding, I would get it evaluated with a possible excisional biopsy for a diagnosis. Good luck. ...Read more

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Why does my daughters legs and arms look like marbling under the skin?

Why does my daughters legs and arms look like marbling under the skin?

Age of patient?: Skin marbling is common in childhood as a way of saving energy. A kid in a cool environment (air temp >20 degrees below body temp) can shift their surface blood flow into deep skin & muscle to avoid loosing energy through heat loss. This reverses if you put the kid in warm water. The process tends to disappear as the kid gets older. ...Read more

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I have a very sore lump in my leg that's under the skin. Its so painful can't even touch it?

I have a very sore lump in my leg that's under the skin. Its so painful can't even touch it?

See your doctor: Something like this requires very soon medical attention. Please see your doctor. ...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