RIBOFLAVIN Riboflavin Multivitamin [water & fat soluble] + 5% Dextrose
ModerateRiboflavin can inactivate bleomycin, and the leaflet for Multivitamin [water & fat soluble] + 5% Dextrose lists the same warning.
These medicines are often taken together with some care. Your doctor may change a dose, space them apart or check on you more often. Make sure your doctor and pharmacist know you take both.