What would be the result of CBC and PBS tests in a patient with pityriasis rosea?

Q. What would be the result of CBC and PBS tests in a patient with pityriasis rosea?

Answered by
Dr. Goswami Parth Rajendragiri
and medically reviewed by iCliniq medical review team.
This is a premium question & answer published on Aug 13, 2018 and last reviewed on: Jul 24, 2023

Hello doctor,

I recently had my blood tested and it turned out that I have WBC at 16000. I have no fever, a cold or a cough. Although I have rashes and I suspect this is pityriasis rosea. My doctor is not aware of my suspicion. Now he wanted me to undergo CBC and peripheral blood smear. If I really have pityriasis rosea what would probably be the result of my CBC and PBS? I am 22, female, 5'1", 105 lbs.

#

Hello,

Welcome to icliniq.com.

Pityriasis rosea is a form of viral skin infection. Your total WBC count can be high because of that and in your CBC, high lymphocytes can be a possibility but it is not the rule. For your rash, Levocetirizine 5 mg OD like an oral antihistaminic drug can be prescribed. If needed, topical steroid also can be prescribed. I suggest you consult a dermatologist for examination. Repeat your CBC with peripheral smear examination report after a week.


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