Welcome to healthcare magic forum
Thank you for your query.
I understand your concern regarding your skin problem
I am dr Gaurav patel ,dermatologist and will answer your query.
There chance of chickenpox
or drug reaction in such condition
In your case it look like viral infection most commonly chickenpox
better to consult dermatologist
again to have clear idea as treatment of both condition is different
I dont think anemia
has something to do with that.
I hope I answered your question.
Let me know if you have any further query.