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Doctor insights on: Scarlet Fever Incubation Period

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Exposed to scarlet fever, how long before symptoms will show? My 1 year old is in the stage of giving kisses. She has been kissing both her daddy and i on the mouth frequently and yesterday was diagnosed with scarlet fever. How long is the incubation p

Exposed to scarlet fever,  how long before symptoms will show? My 1 year old is in the stage of giving kisses.  She has been kissing both her daddy and i on the mouth frequently and yesterday was diagnosed with scarlet fever.  How long is the incubation p

Scarlet : Scarlet fever is caused by group a streptoccoccus - the same bacteria that causes strep throat. The symptoms usually start 1-2 days after infection and include sore throat, fever, sand papery red rash, abdominal pain, muscle aches, headache, vomiting, swollen red tongue and/or bright red color in the creases of the underarm or groin. With proper antibiotic treatment, the symptoms typically improve quickly (2-3 days) though the rash can last for a few weeks. Long term complications are extremely rare with treatment. The most concerning complication is acute rheumatic fever which occurs around 20 days after the start of infection if the patient is not treated with antibiotics. This can cause permanent heart valve damage. Other rare complications of untreated strep are bone or joint problems, kidney problems, inflammation of a gland, ear infection, meningitis, pneumonia, or sinusitis. ...Read more

Dr. Mark Diamond
2,227 doctors shared insights

Fever (Definition)

Fever is the temporary increase in the body's temperature in response to some disease or illness. A child has a fever when the temperature is at or above one of ...Read more


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Who does Scarlet fever attack?

Who does Scarlet fever attack?

Anyone can get: Scarlet Fever, which is simply a strep infection with a rash. It is no more serious than a strep throat, and if diagnosed is easily treated with an antibiotic. It got a bad reputation from the book, The Velveteen Rabbit, which was written before we had antibiotics to easily treat strep/scarlet fever. ...Read more

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What does scarlet fever look like?

What does scarlet fever look like?

Think sunburn: The color is like a sunburn & the feel is like sandpaper.It tends to start first in the under pants area, armpits & folds of the arms with an interesting pale halo around the mouth.If the if it started with a sore throat, the tongue is beefy red & tonsils swollen. It can be triggered by infection in other body areas. ...Read more

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Is rheumatic the same as scarlet fever?

Is rheumatic the same as scarlet fever?

No: Both are triggered by the same bacteria GABHS, but are different diseases. Rheumatic fever is caused by the overreaction of the own body's immune system, which may attack it's own structures (like the heart and the joints). Scarlet fever occurs when that bacteria is infected with a virus that causes a toxin which makes the skin red and harsh but it may also cause rheumatic fever as a sequel. ...Read more

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How common is scarlet fever in america?

How common is scarlet fever in america?

I see cases yearly: Scarlet fever in the days before antibiotics was a truly scary disease. Weeks of high temperature and pealing red skin rash were often followed by other complications. Today it is muted by treatment. The rash generally starts within 12hrs of a fever with any strain of strep that can make the erythrotoxin.Treatment kills enough strep to minimize the rash & shorten the illness. ...Read more

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Can you get scarlet fever without a fever?

Can you get scarlet fever without a fever?

Sure: But this would be very unusual. That is how it got its name. But anything can happen. There are numerous causes for the inability to mount a fever, but the short answer is, it can happen, but rarely. ...Read more

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What do I need to know about scarlet fever?

Contagious: Scarlet fever is a form of strep throat. The bacteria that infect the throat produce a substance that give you the rash. It can be treated with antibiotics. If it is left untreated it can cause rheumatic fever which affects the heart. Someone with a strep infection is not contagious after having been on antibiotics for 24 hours. ...Read more

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Is it possible to contract scarlet fever without developing a fever?

Is it possible to contract scarlet fever without developing a fever?

Scarlet fever: You may not have a fever but the rash is characteristic-sand papery and inflamed looking. If your throat culture states you have group a strep it is scarlet fever. The symptoms should start getting better in 2-3 days. The rash may take a bit longer to go. Don't stop your antibiotics in the middle of the treatment though, even if you are better. ...Read more

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How can you defend yourself from scarlet fever?

How can you defend yourself from scarlet fever?

Avoiding Strep: Scarlet Fever is the result of a Strep infection of the throat which is also associated with a rash. Avoiding the primary throat infection by maintaining general health, frequent hand washing and not sharing cups/utensils are some ways to help prevent it. ...Read more

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Can you tell me how contagious is scarlet fever?

Can you tell me how contagious is scarlet fever?

Avoidable: With good hand washing and avoiding any oral secretions of the patient this is avoidable.Scarlet fever is just a form of group A strep disease, commonly a throat infection.Once the patient has been on antibiotic treatment for 24 hours, they are no longer considered contagious. ...Read more

Dr. John cuong Doan
105 doctors shared insights

Scarlet Fever (Definition)

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


Incubation Period (Definition)

Incubation period is the period between exposure to infection ...Read more