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Doctor insights on: Group B Streptococcal Infection Scarlet Fever

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How does a child contract scarlet fever streptococcal infection?

How does a child contract scarlet fever streptococcal infection?

Other people: Strep is a bacteria that is passed from one person to another by mucous droplets. Strep is quite contagious and easily spread from one to another. ...Read more

Dr. Mark Ingerman
9 doctors shared insights

Infection (Definition)

Infections are invasions of some other organism (fungus, bacteria, parasite) or viruses into places where they do not belong. For instance, we have normal gut bacteria that live within us without causing problems; however, when those penetrate the bowel wall and enter the bloodstream, ...Read more


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What is the connection between urine infection in my 4 year old daughter that is just recovering from scarlet fever?

What is the connection between urine infection in my 4 year old daughter that is just recovering from scarlet fever?

None: Scarlet fever does not lead to urinary tract infection. One of the complications of a strep infection is, however, something called poststreptococcal glomerulonephritis. This refers to inflamation (not infection) of the kidneys after a strep infection, usually beginning 8-14 days later. It usually resolves after a few weeks, but there can be complications, so you should see your pediatrician. ...Read more

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What is the bacterial infection scarlet fever?

What is the bacterial infection scarlet fever?

Strep: Scarlet fever is a rash produced by a toxin secreted by group a strep usually when they are causing strep throat. The rash is red, feels like sandpaper, may predominate in creases in the skin, there is sparing around the outside of the mouth (circumoral pallor), and it blanches with pressure. ...Read more

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What is the bacterial infection called scarlet fever from?

What is the bacterial infection called scarlet fever from?

Group A strep: Scarlet fever is caused by infection with group a streptococci, the same bacteria that causes "strep throat". In scarlet fever, the strep bacteria releases a toxin that gives you the generalized sandpaper- like rash. Most patients will also have a sore throat, fever, and enlarged cervical lymph nodes. The treatment for scarlet fever is the same as strep throat-antibiotics such as penicillin. ...Read more

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I cought strep from my cousin but will it turn into scarlet fever like his did?

I cought strep from my cousin but will it turn into scarlet fever like his did?

Maybe: If you really caught it from that cousin & not at random, the strain you have would be one that produces the red rash. Treatment started before the rash appears may stop it. Scarlet fever is really an archaic term left over from the pre-antibiotic era, when many fevered off & on for days with it.A common name applied to the rash now is scarlatina. ...Read more

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I had scarlet fever as a child. I'm now 46 and all rapid strep tests result in faint positive-culture comes back neg. Is the SF somehow to blame?

I had scarlet fever as a child. I'm now 46 and all rapid strep tests result in faint positive-culture comes back neg. Is the SF somehow to blame?

No: The rapid test samples mucous/germs in your throat. It has no way of being influenced by your past medical history.Your throat mucous can never yield that data. The "faint" false positive has been proven negative enough times that it suggests a degree of unreliability for the test used, or how it is being done. ...Read more

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Spouse has strep with a rash, scarlet fever. How serious/contagious is that?

Spouse has strep with a rash, scarlet fever. How serious/contagious is that?

Very.: Strep is quite contagious; but after a few days of an effective antibiotic therapy, the contagion risk drops dramatically. ...Read more

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What besides strep throat causes scarlet fever?

What besides strep throat causes scarlet fever?

Only Strep: While there are many infections that cause rashes that are similar in appearance to scarlet fever, only strep causes scarlet fever. This is due to the fact that the disease is a constellation of symptoms, not just a rash. ...Read more

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How is strep throat strep throat different from scarlet fever?

How is strep throat strep throat different from scarlet fever?

The germ: Some group A strep germs carry an extra piece of genetic code that triggers a toxin that can cause the rash. If someone has a strep infection in their throat it usually shows up within 12 hrs of the first fever. If the infection is treated very early, it may not show up at all. A strep germ without the extra gene will not trigger the rash. Scarlet fever is an old term used back before penicillin. ...Read more

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I cought strep throat from my cousin, and will it turn into scarlet fever like his did?

I cought strep throat from my cousin, and will it turn into scarlet fever like his did?

Possibly: Some strains of strep a strains carry an extra gene plasmid that controls the production of a chemical that enters the blood & causes the generalized red rash of scarlet fever. Not all strep a strains do, but if you did catch strep from someone with the rash it would likely produce the same rash in you within 24hrs of the first fever. Early rx prior to firm establishment of the germ might stop it. ...Read more

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Hoping you can tell me, is "strep rash" the same as scarlet fever?

Hoping you can tell me, is "strep rash" the same as scarlet fever?

Yes and no: The strep rash is what used to be the most prominent feature of scarlet fever. But the term is more of a historical one. There was a time (lest we forget) that we did not have antibiotics. Scarlet fever described a systemic strep illness that could last more than a week with high sustained fevers over 103 and the rash.Most would recover but some developed rheumatic fever afterward. ...Read more

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If a child has strep & gets scarlet fever, will the rash show up immediately when the symptoms start or can it take a few days for the rash to start?

If a child has strep & gets scarlet fever, will the rash show up immediately when the symptoms start or can it take a few days for the rash to start?

Usually soon: The rash producing chemical that is generated by the strep is created after the start of the infection when it has reproduced in enough numbers to make the rash toxin.Studies suggest it will be evident by 12 hours after the appearance of fever in the illness.Not all strep will produce the rash, only those with the extra dna to make the extra toxin. ...Read more

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Is scarlet fever treated the same way as with strep throat?

Is scarlet fever treated the same way as with strep throat?

Yes: Scarlet fever is strep throat which has a sandpaper like rash mostly in the warm areas of the body. The organism is the same...Strep and is treated the same. The rash may take longer than the sore throat to go away, as much as 7-10 days. ...Read more

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How are strep throat and scarlet fever distinguished from each other?

How are strep throat and scarlet fever distinguished from each other?

Definition is strep: The term "scarlet fever " applies to strains of strep a that have the additional dna to make a red rash. The infection may be in the throat, or other site (skin, anus) and still produce the rash and fever. Strep throat includes strains of strep a that may or may not produce a rash.Their location in the throat is rather specific. ...Read more

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My brother had strep and it turned into scarlet fever. Does that mean my strep will too?

Doesn't matter: Scarlet fever is just an archaic name for strep associated with a red rash that often led to intractable high fever (weeks)in the era before penicillin. Today it has no significance other than being a strain marker.About 15-20% of strep strains have an extra gene that codes for a chemical that gives the rash.If you got your strep from bro, you would likely get a rash, but doesn't really matter. ...Read more

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Is there a difference between scarlet fever and strep throat?

Is there a difference between scarlet fever and strep throat?

Yes, there is.: Both, strep throat and scarlet fever, are caused by group a streptococci. Some strains of group a strep such as the one causing scarlet fever produce erythrogenic exotoxin responsible for the red spots (rash). ...Read more

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Can you please tell me how scarlet fever and strep throat differ?

Can you please tell me how scarlet fever and strep throat differ?

A Rash: Scarlet fever is strept throat with a rash. Otherwise it is exactly the same symptoms, possible complications and therapy. ...Read more

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How is scarlet fever rash prevented if you already caught the strep throat?

How is scarlet fever rash prevented if you already caught the strep throat?

Part of Strep: Scarlet fever is produced by the breakdown if you will of the strep bacteria. Not everyone who has "strep" develops the rash. The scarlet fever rash is more common in children. If you suspect you have a strep infection, seek treatment asap in order to avoid complications. ...Read more

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Dr. John cuong Doan
112 doctors shared insights

Scarlet Fever (Definition)

A condition consisting of a sandpaper-like rash that can occur with a strep throat infection. It starts on the neck and ...Read more


Dr. Mark Diamond
2,227 doctors shared insights

Fever (Definition)

Fever = elevated body temperature (can be ...Read more