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 Heart disease: 4,000 steps once or twice a week may help reduce risk Oct 22, 2025 Vitamin D supplements: D3 may be more beneficial than D2 Does skipping breakfast negatively impact metabolic health? Is the 'golden dose' hack safe with leftover GLP-1s? Can artificial sweeteners affect memory? Dementia and cholesterol: Statins can help lower dementia risk 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