Hello! Here is my situation! I am looking for some insight.

Last Tuesday, my 5 year old had flushed cheeks. I immediately thought Fifth's Disease which concerned me because I am pregnant (14 weeks now). I called my OB who ordered my blood test and I took my son to the pediatrician where he tested positive for Strep with scarlatina rash. I still did the bloodwork but assumed it would be negative since my son was diagnosed with Strep and the antibiotics wiped out the rash by the next day. Also, I was ill at this time too with respiratory symptoms. I tested negative for Flu and Strep and was diagnosed with bronchitis and treated with a Z pack and my symptoms too went away very quickly.

Fast forward one week and I get my bloodwork back and my IGm for Fifth's Disease is weakly positive which creates a world of worries for me as I am pregnant. My question is, could my son have had both illnesses? Isn't it odd if it was Fifth's that his rash went away in one day with antiobiotics? Are there other viruses that could have cross reacted on my antibody test? I am not trying to get my hopes up, but just confused about the whole situation and very worried. Thank you!
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replied March 5th, 2018
Hi, and thanks for your query on eHealth forum!

Broadly speaking IgG indicates a past infection, which could have happened a few months to years back. So, if IgM is undetectable you did not have a recent parovirus B19 infection commonly called Fifth’s disease. Since IgG is weakly positive, this means you had a past exposure to the virus, and this is unlikely to affect your baby.

However, please consult your healthcare provider for further guidance. This reply to your query is just for education and counseling purposes and cannot be an alternative to actual visit and treatment by a doctor who can examine you. Hope this helped you in making an informed decision about your health. Take care!



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