Several causes: Either primary as in primary immune deficiency disorders, (rare), or secondary, to drugs, mostly immunosuppressant drugs, or infection, the most famous is HIV
Answered 1/14/2021
2.1k views
A doctor has provided 1 answer
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question