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Dr. Saha
Dr. Saha, Doctor (MD)
Category: Health
Satisfied Customers: 17826
Experience:  35 years of experience
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Just returned from ER with an acute rash (purpura?) on both

Customer Question

Just returned from ER with an acute rash (purpura?) on both legs, muscle and joint aches. Dr initially said HSP but then backtracked and prescribed doxycycline for RMSF. I have some bloodwork results but the antibody test won't be back for a few days. Any guidance?
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Submitted: 1 year ago.
Category: Health
Expert:  Dr. Saha replied 1 year ago.

Thank you for your question.
I am Dr Saha, I shall try my best to help you.

Did you have any history of tick bite?

When did all the symptoms start?

Where did the rash start first? Is it spreading? Does it itch?

How is your temperature?

Which blood tests did you have in ER?

Which antibiotic was prescribed?

Customer: replied 1 year ago.
I've had some sort of bite on the top of my left ankle for over a week. The rash started yesterday morning looking like a severe case of razor burn and seems to get more intense and covers a larger area every hour.They ran a CMP, CBC w differential, Sed Rate Westergren, CRP, activated PTT, PT, Rh factor, RMSF antibody, ANA and ANC. The last three results have not yet come in. I have results for all the others.Doxycycline
Expert:  Dr. Saha replied 1 year ago.

Please write the test results you have in hand.

Customer: replied 1 year ago.
Expert:  Dr. Saha replied 1 year ago.

Please wait.
I am opening the results & then write your answer.
It can take a couple of minutes.

Expert:  Dr. Saha replied 1 year ago.

I thought these are results of blood tests.

Do you have those?

Customer: replied 1 year ago.
They are attached. There are some previous results as well so you can see the average levels I've run through the last couple of years.
Expert:  Dr. Saha replied 1 year ago.

The results are taking time to open.

Please wait

Expert:  Dr. Saha replied 1 year ago.

Thank you for all the information,
From the picture, it is difficult to diagnose whether it is HSP or RMSF.
Lab results are not diagnostic so far.
However, from your history RMSF should be taken into consideration.
Treatment should be started early in RMSF without waiting for lab results.
This will help to prevent complication.
I feel you should start taking antibiotic as the doctor advised.
I hope this information helps.
If there’s anything else I can do, please let me know.
If you are satisfied, please rate my answer as good or excellent.