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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes Change In Body Odor Of 7 Month Old Child?

Hi, my 7 month old s sweat odor has changed. I noticed the difference yesterday for the first time. It s like a stinky feet smell but is almost a touch sweet-smelling too. I can smell it most prominently on his back (which he has been laying on). He got a thorough bath earlier today and then I noticed the smell again tonight after a nap. He changed formulas per his dietitian s recommendation 1 week ago. He is also been eating more baby food. Could this be the cause? It s different than his normal post spit up smell. I am worried there could be a bigger issue going on.
Wed, 29 Jul 2015
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Pediatrician,  's  Response
Abnormal odour can be a sign of metabolic disorder due to abnormal metabolism of aminoacids , metabolites are secreted in urine and sweat leading to abnormal smell.Stinky feet smell suggests Isovaleric acidemia ,or the child may have a mild form of MSUD.In any case a complete metabolic screen is warrented before making a diagnosis.
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What Causes Change In Body Odor Of 7 Month Old Child?

Abnormal odour can be a sign of metabolic disorder due to abnormal metabolism of aminoacids , metabolites are secreted in urine and sweat leading to abnormal smell.Stinky feet smell suggests Isovaleric acidemia ,or the child may have a mild form of MSUD.In any case a complete metabolic screen is warrented before making a diagnosis.