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Doctor insights on: Red Purple Rash On Legs

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Dr. John Chiu
2,618 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


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Red/purple spots on thigh, clustered closely together, covering large area, long streaks. Had very similar rash before several times over the years. ?

Red/purple spots on thigh, clustered closely together, covering large area, long streaks. Had very similar rash before several times over the years. ?

Exam needed: Such an eruption could be due to inflammation of tiny blood vessels(vasculitis) which may be caused by an autoimmune disorder or leakage of blood from capillaries(petechiae) seen with low platelets,for example. Your physician or dermatologist would have to inspect this eruption in order to make a diagnosis and order any appropriate tests. ...Read more

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IMG_5098.jpeg I don't know if you can see this image but I have a dark red/purple, non itchy, non raised rash on my upper thigh. No pain, what is it?

IMG_5098.jpeg I don't know if you can see this image but I have a dark red/purple, non itchy, non raised rash on my upper thigh. No pain, what is it?

Can't see it!: It is not possible to upload images here, and since you don't say how long you have had it or enough history otherwise, guessing is pretty worthless. On Healthtap Prime you can upload a picture and consult with a doctor, if you wish. Otherwise get checked out in person with your doc. ...Read more

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Leg got red and formed a rock hard lump underneath then redness disappeared. on my other leg on thigh have a red/purple patch. What's going on?

Leg got red and formed a rock hard lump underneath then redness disappeared. on my other leg on thigh have a red/purple patch. What's going on?

See MD: You need to be seen to establish what is going on. I do not understand where on your legs the redness and "rock hard lump " are. Trauma comes to mind, but you may have some blood vessel issue, as an inflammed vein or blood clot issue. Please be seen today in a clinic or an ER. ...Read more

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I noticed a small cluster of red/purple/brown dots on my left leg going in a straight line about 3 inches down my leg. should I be concerned?

I noticed a small cluster of red/purple/brown dots on my left leg going in a straight line about 3 inches down my leg. should I be concerned?

Infection?: It might help to upload a picture of this if you can. Infections can spread up the lymphatic vessels. This is usually more linear. Linear groupings of red dots ... hard to say. Groupings of vesicles could be shingles. They usually burn and hurt, you are young for that but could be. Is this in an area where you shave? If so could be an infection in the hair follicles spread by razor. Have eval. ...Read more

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I suffer severe leg and foots cramps at night. Woke up to a very painful red/ purple toe. painful to touch or walk on. no injury as I was in bed. ?

I suffer severe leg and foots cramps at night. Woke up to a very painful red/ purple toe. painful to touch or walk on. no injury as I was in bed. ?

Be seen: I would certainly recommend you be seen. Among potential considerations such as arterial insufficiency, or potentially inflammatory or infectious causes. An exam would go a long way in determining the likely cause. ...Read more

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What would cause a rash in hotspot areas, purple and red bumps on legs and on groin ?

What would cause a rash in hotspot areas, purple and red bumps on legs and on groin ?

Bumpy rashes on legs: Rashes can be difficult to diagnosis, even by a skilled dermatologist looking at the rash in person. With just a description i cannot answer your question. There are many causes of rashes in these areas, such as a contact allergy, irritation, chafing, fungus, scabies, etc. I recommend you make an appointment with a board certified dermatologist so she/he can examine you and make a diagnosis. ...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