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Dr. P. Jyoti
Dr. P. Jyoti, Consultant MD
Category: Medical
Satisfied Customers: 10500
Experience:  17 yrs experience in treating OPD & Emergency patients.
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My 4 year old son was diagnosed with scarlet fever 5 weeks

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My 4 year old son was diagnosed with scarlet fever 5 weeks ago, after ten days of antibiotics he then developed what appeared to be a much deeper red rash, the rash wasn't painful according to him. We sought more advise and was told he had strep A. He had another ten days of penicillin. Throughout the period he has had a sore throat and one of his tonsils is enlarged. He finished his last dose of antibiotics 3 days ago and in the last 24 hours his rash has returned, it's in the exact same place as it was when diagnosed with strep A, should we be worried it's returned? or will it take time to completely go away? We are unsure what strep a is and what long term effects there are. will the rash go?
Submitted: 5 years ago.
Category: Medical
Expert:  Dr. P. Jyoti replied 5 years ago.
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Expert:  Dr. P. Jyoti replied 5 years ago.
Hello Gareth,
Strep A is Streptococcus bacilli type A.
It is a common infection of childhood.
Strep A can cause:
Cellulitis and Erysipelas
Scarlet Fever
Severe Strep Infections
Strep Throat
It can have complications of Rheumatic fever, a condition which affects the heart, and Sydenhams chorea, a condition which affects the brain.
But as I said, Strep A infections are very common in childhood and also in adults and these complications are very rare.
The recurrence of the rash might not mean anything and simply a throwback from the earlier infection.
However, it might also mean that the Strep A has not been fully controlled and it is now causing cellulitis or Erysipelas.
Hence you need to consult his doctors for this. Ask specifically about the possibility of Erysipelas and also cellulitis. Ask also about rheumatic fever. You will get a more detailed discussion when you ask informed questions.
Hope this shows you the way forward - wish him good health and a quick recovery.
I trust my answer has helped you gain more knowledge and confidence about your problem and in knowing what to discuss with your doctor.
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Thank you!
Dr.P.Jyoti, MD.