Fungal infections within the body sometimes occur and can be serious. You are more at risk of developing an internal fungal infection if your immune system does not work properly. For example, if you are taking chemotherapy, or if your immune system is being suppressed following stem cell transplant, or if you have HIV/AIDS.
This is a companion discussion topic for the original article at https://patient.info/medicine/voriconazole-for-fungal-infections-vfend