Important Notice: Our web hosting provider recently started charging us for additional visits, which was unexpected. In response, we're seeking donations. Depending on the situation, we may explore different monetization options for our Community and Expert Contributors. It's crucial to provide more returns for their expertise and offer more Expert Validated Answers or AI Validated Answers. Learn more about our hosting issue here.
A low white blood count (below 4000) could have many causes. The most common would be medication side effects (like chemotherapy), heavy metal exposure, infections, bone marrow disorders, or an immune system disorder. Hopefully, your husband will be referred to a hematologist, so that the reason for his low white count can be explored.
