Indigotindisulfonate sodium Excipient (pharmacologically inactive substance)What is it?Indigotindisulfonate sodium, also known as indigo carmine, is a blue dye used in medical imaging to measure kidney function and as a special stain for Negri bodies.[1] Share this Article Latest News Medical News 5 healthy diets linked to increased longevity Feb 21, 2026 Depression: Single dose of psychedelic drug shows lasting effect Osteoarthritis: Effectiveness of exercise may be overstated Longevity: Can NAD supplements really slow down aging? Dementia: Lifetime lead exposure increases dementia risk Weight loss: Eating more for breakfast may actually help Related Drugs Fidanacogene Elaparvovec Cerave Anti-Itch Centrum Adult Crovalimab Cyltezo Prefilled Syringe Zepbound Pen Mylanta One Uretron Ds Medihoney Wound And Burn Dressing Lidotrode