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Indigo Carmine (Indigotindisulfonate): Side Effects, Uses, Dosage, Interactions, Warnings

Indigo Carmine

Medical Editor: John P. Cunha, DO, FACOEP Last updated on RxList: 7/20/2022

Drug Summary

What Is Indigo Carmine?

Indigo Carmine (indigotindisulfonate sodium) Injection is a diagnostic agent that tests for renal function used to find ureteral orifices during cystoscopy and ureteral catheterization.

What Are Side Effects of Indigo Carmine?

Side effects of Indigo Carmine are rare, but may include a mild rise in blood pressure.

Seek medical care or call 911 at once if you have the following serious side effects:

  • Serious eye symptoms such as sudden vision loss, blurred vision, tunnel vision, eye pain or swelling, or seeing halos around lights;
  • Serious heart symptoms such as fast, irregular, or pounding heartbeats; fluttering in your chest; shortness of breath; and sudden dizziness, lightheartedness, or passing out;
  • Severe headache, confusion, slurred speech, arm or leg weakness, trouble walking, loss of coordination, feeling unsteady, very stiff muscles, high fever, profuse sweating, or tremors.

This document does not contain all possible side effects and others may occur. Check with your physician for additional information about side effects.

Dosage for Indigo Carmine

Indigo Carmine solution is injected either intravenously or intramuscularly, and its appearance at the ureteral orifices is watched with the cystoscope in place. The intravenous method is preferred because a 5 mL injection is sufficient.

What Drugs, Substances, or Supplements Interact with Indigo Carmine?

Indigo Carmine may interact with other drugs. Tell your doctor all medications and supplements you use.

Indigo Carmine During Pregnancy or Breastfeeding

During pregnancy, Indigo Carmine should be used only if prescribed. It in unknown if this drug passes into breast milk. Consult your doctor before breastfeeding.

Additional Information

Our Indigo Carmine (indigotindisulfonate sodium) Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication.

Description for Indigo Carmine

Each 5 mL contains: 40 mg of Indigotindisulfonate Sodium, in Water for Injection, q.s. pH adjusted, when necessary, with Citric Acid and/or Sodium Citrate.Sterile, nonpyrogenic.

Sufficient Indigo Carmine (indigotindisulfonate) is contained in each 5 mL ampule to permit accurate withdrawal and administration of the full dose.It gives a deep blue solution when dissolved in water.

The structural formula is:

INDIGO CARMINE INJECTION (Indigotindisulfonate Sodium Injection,USP)  Structural Formula Illustration

C16H8N2Na2O8S2............................Molecular Weight 466.35

Uses for Indigo Carmine

Originally employed as a kidney function test, the chief application of Indigo Carmine (indigotindisulfonate) at present is localizing ureteral orifices during cystoscopy and ureteral catheterization.

Dosage for Indigo Carmine

Indigo Carmine (indigotindisulfonate) solution is injected either by the intravenous or intramuscular route, and its appearance at the ureteral orifices is watched with the cystoscope in place. The intravenous method is preferred because a 5 mL injection is sufficient.A lesser dosage in infants, children and underweight patients will prevent skin coloration.

Parenteral drug products should be inspected visually for particulate matter and discoloration prior to administration, whenever solution and container permit.

PROTECT FROM LIGHT

Store at controlled room temperature 15°-30°C (59° -86°F).

HOW SUPPLIED

Indigo Carmine (indigotindisulfonate) Injection

NDC 0517-0375-10...............5 mL ampules..............packaged in boxes of 10

AMERICAN REGENT LABORATORIES, INC. Shirley, NY 11967. Rev.7/98. FDA Rev date: n/a

Side Effects for Indigo Carmine

See "WARNINGS" section.

Drug Abuse And Dependence

Indigo Carmine (indigotindisulfonate) is not a controlled substance listed in any of the Drug Enforcement Administration Schedules.Its use is not known to lead to dependence or abuse.

Drug Interactions for Indigo Carmine

No information provided.

Warnings for Indigo Carmine

An occasional idiosyncratic drug reaction may occur. A mild pressor effect may be encountered in some patients. Since precipitation of indigotindisulfonate sodium may occur, Indigo Carmine (indigotindisulfonate) Solution must not be diluted prior to injection or injected with infusion assemblies which were used with other solutions.

Precautions for Indigo Carmine

Indigo Carmine (indigotindisulfonate) should be stored in the dark, away from direct light, preferably in the original package.

Pregnancy Category C

Animal Reproduction studies have not been conducted with indigotindisulfonate sodium injection.It is also not known whether indigotindisulfonate sodium injection can cause fetal harm when administered to a pregnant woman or can affect reproduction capacity. Indigotindisulfonate sodium injection should be given to a pregnant woman only if clearly needed.

It is not known whether this drug is excreted in human milk. Because many drugs are excreted in human milk, caution should be exercised when Indigo Carmine (indigotindisulfonate) is administered to a nursing woman.

Overdose Information for Indigo Carmine

There are no data available describing the signs, symptoms or laboratory findings accompanying overdosage.

No discernible symptoms of toxicity have been observed in mice with an intravenous dose of 200 mg/kg. After intravenous administration the LD80 was established at 300 mg/kg in mice.

Contraindications for Indigo Carmine

Indigo Carmine (indigotindisulfonate) is contraindicated in patients who have previously experienced an adverse reaction following its use.

Clinical Pharmacology for Indigo Carmine

Indigo Carmine (indigotindisulfonate) is excreted largely by the kidneys, retaining its blue color during passage through the body.

Elimination of the dye begins soon after injection, appearing in the urine within 10 minutes in average cases.The biological half-life is 4 to 5 minutes following intravenous injection. Larger quantities are necessary when intramuscular injection is employed. Appearance time and elimination are delayed following intramuscular injection.

Patient Information for Indigo Carmine

No information provided. Please refer to the WARNINGS and PRECAUTIONS sections.

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