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Doctor insights on: Purple Rash Spots

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What causes purple rash like spots on back?

What causes purple rash like spots on back?

More info needed: Need more information to accurately answer your question. How long do the spots last? How do they start? How do they change with time? How large are they? How many? Exact color? Bruise? Do they go away completely. Photos would help. ...Read more

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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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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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Our15 month old baby has a recurring rash consisting of flat, round red or dark purple spots. There is usually between 3 - 10 spots. They fade after a couple of hours. 2 - 5 mm diameter.

Our15 month old baby has a recurring rash consisting of flat, round red or dark purple spots. There is usually between 3 - 10 spots. They fade after a couple of hours. 2 - 5 mm diameter.

Mgt: One possibility is a rash called urticaria. The rash fades and then returns. It can be a sign of an allergic reaction. Noting any possible triggers including foods will be important information for your pediatrician. If your daughter is otherwise well, infection is less likely and based on your description the lesions are not draining any liquid. ...Read more

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I have a rash that started bright red and elevated bumps turned into blotchy purple spots but not pin pricks no other symptoms should I see a doctor?

I have a rash that started bright red and elevated bumps turned into blotchy purple spots but not pin pricks no other symptoms should I see a doctor?

You should: Any purple spots if they are bigger than 1-2 mm or more than 5-10 in number, raises questions about your blood having some problem. Unless these have have faded away and there are no new ones coming up, you should seek medical examination. ...Read more

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I have a raised purple spot on my leg which has been there for quite some time now. Around it are rash-like marks and it all itches. Any clues?

I have a raised purple spot on my leg which has been there for quite some time now. Around it are rash-like marks and it all itches. Any clues?

Exam needed: If the discolored lesion is only days old, it could have been an insect bite with some leakage of blood under the skin. The associated itching makes this more likely but the lesion would clear after 10 days or so. Cortisone type ointment would relieve the itch. If this lesion has been present for weeks it's best to have it examined by your physician or dermatologist. ...Read more

Dr. John Chiu
2,559 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