Who should not be given indigo carmine?

Indigo carmine should not be taken orally and it should only be injected into the body by a doctor. Large doses can cause skin discoloration in infants and children and underweight adults. This blue dye, used in diagnostic testing of the bladder and kidneys, is not known to cause side effects in children or adults. It's also not known to interact with medications or foods. In a small number of cases, it may raise blood pressure levels.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.