Dear friend, welcome and thanks for entrusting your query here at HCM!
I am Dr. Prasad Akole (Critical Care Expert- http://bit.ly/Dr-Prasad-Akole) and am glad to address to your query here.
You should get the purpura
evaluated by your treating doctor.
should be checked. Rarely Cellcept may be associated with purpura.
Prevention will depend on the cause.
A photo of the rash
may make it easier for me to answer. You can upload one here with the uploader located below your text box.
I hope you are fully satisfied with the guidance I gave.
I would be glad to answer any further queries. Please ask for any clarifications before closing and rating this answer.
Thank you and Good luck!