It is used to treat adults, adolescents and children with: • invasive candidiasis (a type of fungal infection due to Candida); • invasive aspergillosis (another type of fungal infection due to Aspergillus) when the patient does not respond to or does not tolerate amphotericin B or itraconazole (other antifungal medicines); • suspected fungal infections (such as due to Candida or Aspergillus) when the patient is febrile (feverish) and neutropenic (lacking white blood cells).