Doctor insights on:
Is There A Difference Between Scarlet Fever And Strep Throat
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
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
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
My son 3 had strep throat in november took amoxilin for 10 days now 2 months later is taking same med for scarlet fever. Could there be resistance?
Could treated strep throat lead to scarlet fever 10 weeks later and is it ok to treat it with same type of amoxicilin to avoid further complications?
3 yr old has strep throat and a rash on her wrists and neck. She typically has exzema, is there a good way to know if it is that or scarlet fever?
Needs treatment: She needs antibiotics either way. Scarlet fever is strep throat with a rash and is treated with antibiotics. If the erash improves a lot after antibiotics- it was likely scarlet fever...If it clears only a little, then most likely was more eczema. Scarlet fever rash may also peel a little bit when healing. ...Read more
I have strep throat and have a few questions. I was put on penicillin 3 days ago. I also have scarlet fever. I cant swallow anything at the moment if I crush the pill and drink it with water will it work the same?
Yes & no: The germ that causes group a strep disease, the common strep throat, can come in more than 1 strain. The germ may carry an additional piece of genetic information that gives it the ability to make "erythrotoxin", the material that will spread in the blood & cause the red rash & significant fevers of "scarlet fever".If your strain does not have the extra info, you don't. ...Read more
My son is having scarlet fever, now from 1 day I have also started having headache & uneasiness in throat so is it likely for me also to catch same?
I have a really sore throat and really tired also a rash of small close together spots I've looked online and it says scarlet fever please help?
See your doctor: Rashes are hard to diagnose online sometimes so if you do think it looked like Scarlet fever then you need to see your doctor. Scarlet fever is caused by the strep bacteria and should be treated to prevent complications. If this is a virus then the strep test will be negative and fluids, rest and liquids are the treatment. ...Read more
7 year old has what looks like the beginning of scarlet fever rash. Small red bumps sandpaper like all over body, but has no fever or no sore throat.
I had scarlet fever and strep. Had a shot and ten day script. I only took five days of script I am at risk for rheumatic fever?
Maybe: The antibody response responsible for rheumatic fever is cancelled out by effectively killing off the germ. If the shot was a long acting penicillin or the combined short/long that would cover 10 days rx and if it was given in enough quantity, you may be safe. Without the specifics, it is hard to comment. It takes 10 days of rx to eliminate the germ. ...Read more
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
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
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
Is the antibiotic allergic reactions (like in your photo) frequently confused with scarlet fever (similar skin reaction) that accompanies the strep?
Preceding feble illn: The two rashes can overlap. Scalet fever will have a precedomg febrile illness with the rash starting 12-48 hours later, usually on the face and upper trunk with subsequent body involvement. Feels like a rough sunbun, there may be broken blood vessels in the folds of the skin with flushed cheeks and pale areas arround the mouth. The tongue is frequently red and enlarged. ...Read more
A week ago Friday my 8 month old daughter was diag with strep and put on amox. For 10 days...7 days and 13 doses later I saw the rash. Took her back in and Dr. Said was prob strep rash (which I learned was scarlet fever tho she never used that term.). Bab
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
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
Scarlet fever type rash-negative for strep. Fatigue, headaches, loss of appetite w/seemingly no other symptoms. No fever. MD said good luck...help!
Infectious Disease: This could be any of a dozen or more syndromes that could be thought of. You should find an infectious diseases specialist and let them thoroughly evaluate you. Good luck. ...Read more
I have brown, dry spots that I was told was Scarlet fever residue. I am 59, I was 8 when I had the fever. They cover my body from my knees to my neck?
Can't accept that: I have seen & treated scarlet fever over decades and followed the patients for years afterward. I have never seen any skin discoloration as a long term consequence of this problem. The rash, when it arises is temporary. The skin, renews itself over the years and by the time decades have past, you have new surface cells & many imperfections (environmental exposures) that were never present in childhood. ...Read more
1-3 days after: After you start appropriate treatment for appropriately diagnosed strep throat, the fever usually resolves within a couple of days. If it lasts longer than 3 days after taking medicine as prescribed, you should contact the doctor as you may have developed an abcess that needs draining or other complication. It would also be possible the wrong diagnosis was made, and need to make sure on right meds. ...Read more
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