During chemo the production of white blood cells is affected they are the ones that help fight infections. There are drugs such as Neulasta that will help the body make more white blood cells.
Your husband has to understand that during chemo he has to be part of the team, small things can become big things fast. People often do not want to be seen as troublesome, but that in this case can get you into trouble.
Here is the link to the pharmaceutical company's website and it gives a list of potential side effects. I did not have any trouble taking it and most of what you read is rare but it is good to be aware of the potential. Hope this helps.
www.neulasta.com/ 
