What is Indigo Carmine? Uses, warnings & side effects

Updated May 14, 2025  •  Published Dec 30, 2020

Indigo Carmine overview

BRAND NAMES:

Generic Names:

  • Indigo Carmine

Uses:

  • Used during a test or imaging procedure to help internal organs, such as parts of the kidney, show up better.

Therapeutic Classes:

  • Diagnostic Agent

Forms:

  • Injectable

How it’s taken:

  • By injection

What is Indigo Carmine used for?

What form(s) does Indigo Carmine come in?

  • Injectable

What are common Indigo Carmine dosages?

  • Ampule 5ML of 8MG/ML

How to take Indigo Carmine

  • This medicine is given through a needle placed in one of your veins or as a shot into one of your muscles.

  • This medicine is a blue dye. Your urine may be blue after you receive the medicine. This is normal and should not cause problems.

  • Injection routeA nurse or other health provider will give you this medicine.

  • This medicine is a blue dye. Your urine may be blue after you receive the medicine. This is normal and should not cause problems.

  • This medicine is given through a needle placed in one of your veins or as a shot into one of your muscles.

  • Injection routeA nurse or other health provider will give you this medicine.

What to do if you miss a dose of Indigo Carmine

Indigo Carmine contraindications - Who shouldn't take Indigo Carmine?

  • This medicine is not right for everyone. You should not receive it if you had an allergic reaction to indigotindisulfonate (indigo carmine).

Indigo Carmine warnings

  • Tell your doctor if you are pregnant or breastfeeding, or if you have high blood pressure.

Indigo Carmine interactions & what to avoid when taking Indigo Carmine

  • Tell your doctor if you are pregnant or breastfeeding, or if you have high blood pressure.

Indigo Carmine side effects - How does Indigo Carmine make you feel?

Serious Side Effects

  • Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing

Less Serious Side Effects

  • Pain, itching, burning, or swelling where the needle is placed.

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