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 Aging brain health: Vitamin C levels linked to gray matter volume Jun 12, 2026 AI may detect signs of breast cancer up to 6 years before diagnosis Vitamin A overdoses on the rise: Experts answer 5 key questions Dementia: Large psilocybin dose helped in isolated case study Even 1 drink a day linked to higher risk of death, cancer, study finds Semaglutide and aging: New study finds benefits beyond weight loss 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